CN101362662A - Coating sustained-released disposable fertilizer - Google Patents
Coating sustained-released disposable fertilizer Download PDFInfo
- Publication number
- CN101362662A CN101362662A CNA2008100793169A CN200810079316A CN101362662A CN 101362662 A CN101362662 A CN 101362662A CN A2008100793169 A CNA2008100793169 A CN A2008100793169A CN 200810079316 A CN200810079316 A CN 200810079316A CN 101362662 A CN101362662 A CN 101362662A
- Authority
- CN
- China
- Prior art keywords
- parts
- coating
- fertilizer
- urea
- masking liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003337 fertilizer Substances 0.000 title claims abstract description 144
- 239000011248 coating agent Substances 0.000 title claims abstract description 135
- 238000000576 coating method Methods 0.000 title claims abstract description 135
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 132
- 239000007788 liquid Substances 0.000 claims abstract description 74
- 230000000873 masking effect Effects 0.000 claims abstract description 73
- 239000004202 carbamide Substances 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 25
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims abstract description 25
- 229960001763 zinc sulfate Drugs 0.000 claims abstract description 25
- 229910000368 zinc sulfate Inorganic materials 0.000 claims abstract description 25
- YWYZEGXAUVWDED-UHFFFAOYSA-N triammonium citrate Chemical compound [NH4+].[NH4+].[NH4+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O YWYZEGXAUVWDED-UHFFFAOYSA-N 0.000 claims abstract description 22
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000004327 boric acid Substances 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 17
- 239000002245 particle Substances 0.000 claims abstract description 15
- 239000011591 potassium Substances 0.000 claims abstract description 15
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 13
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims abstract description 13
- 229920001206 natural gum Polymers 0.000 claims abstract description 7
- 150000007524 organic acids Chemical class 0.000 claims abstract description 7
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims abstract description 7
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 38
- 239000011790 ferrous sulphate Substances 0.000 claims description 24
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 24
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 24
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 21
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 21
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 18
- 239000006012 monoammonium phosphate Substances 0.000 claims description 18
- 238000005498 polishing Methods 0.000 claims description 17
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 16
- 235000015165 citric acid Nutrition 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 13
- 229940072033 potash Drugs 0.000 claims description 13
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 13
- 235000015320 potassium carbonate Nutrition 0.000 claims description 13
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 11
- 229920000159 gelatin Polymers 0.000 claims description 10
- 235000019322 gelatine Nutrition 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims description 8
- 108010010803 Gelatin Proteins 0.000 claims description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 8
- 239000008273 gelatin Substances 0.000 claims description 8
- 235000011852 gelatine desserts Nutrition 0.000 claims description 8
- 239000004021 humic acid Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 6
- 235000019698 starch Nutrition 0.000 claims description 6
- 239000008107 starch Substances 0.000 claims description 6
- 239000011573 trace mineral Substances 0.000 claims description 6
- 235000013619 trace mineral Nutrition 0.000 claims description 6
- 229960000892 attapulgite Drugs 0.000 claims description 5
- 229910052625 palygorskite Inorganic materials 0.000 claims description 5
- 150000007513 acids Chemical class 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000004927 clay Substances 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 4
- 208000006558 Dental Calculus Diseases 0.000 claims description 3
- 239000002686 phosphate fertilizer Substances 0.000 claims description 3
- 102000008186 Collagen Human genes 0.000 claims description 2
- 108010035532 Collagen Proteins 0.000 claims description 2
- 239000005696 Diammonium phosphate Substances 0.000 claims description 2
- 239000001828 Gelatine Substances 0.000 claims description 2
- 241000276489 Merlangius merlangus Species 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- ZFXVRMSLJDYJCH-UHFFFAOYSA-N calcium magnesium Chemical compound [Mg].[Ca] ZFXVRMSLJDYJCH-UHFFFAOYSA-N 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 229920001436 collagen Polymers 0.000 claims description 2
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 2
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 2
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 2
- 235000006408 oxalic acid Nutrition 0.000 claims description 2
- 239000003415 peat Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- 239000004323 potassium nitrate Substances 0.000 claims description 2
- 235000010333 potassium nitrate Nutrition 0.000 claims description 2
- 235000013877 carbamide Nutrition 0.000 abstract description 62
- 238000004519 manufacturing process Methods 0.000 abstract description 56
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 16
- 239000002689 soil Substances 0.000 abstract description 13
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 12
- 235000015097 nutrients Nutrition 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 8
- 239000011574 phosphorus Substances 0.000 abstract description 8
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000012986 modification Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 abstract description 3
- 229920000881 Modified starch Polymers 0.000 abstract 1
- 239000004368 Modified starch Substances 0.000 abstract 1
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 235000019426 modified starch Nutrition 0.000 abstract 1
- 235000015393 sodium molybdate Nutrition 0.000 abstract 1
- 239000011684 sodium molybdate Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 34
- 229920000742 Cotton Polymers 0.000 description 11
- 240000008042 Zea mays Species 0.000 description 8
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 8
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 8
- 235000005822 corn Nutrition 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 238000005469 granulation Methods 0.000 description 8
- 230000003179 granulation Effects 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000002156 mixing Methods 0.000 description 7
- 235000013339 cereals Nutrition 0.000 description 6
- 238000013270 controlled release Methods 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000005303 weighing Methods 0.000 description 6
- 241000209140 Triticum Species 0.000 description 5
- 235000021307 Triticum Nutrition 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 241000209094 Oryza Species 0.000 description 4
- 235000007164 Oryza sativa Nutrition 0.000 description 4
- 229940090496 Urease inhibitor Drugs 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000029087 digestion Effects 0.000 description 4
- 239000000975 dye Substances 0.000 description 4
- 230000004720 fertilization Effects 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 235000010755 mineral Nutrition 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 235000009566 rice Nutrition 0.000 description 4
- 238000013268 sustained release Methods 0.000 description 4
- 239000012730 sustained-release form Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 150000003672 ureas Chemical class 0.000 description 4
- 239000002601 urease inhibitor Substances 0.000 description 4
- 239000002028 Biomass Substances 0.000 description 3
- 229920001807 Urea-formaldehyde Polymers 0.000 description 3
- 108010046334 Urease Proteins 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 239000000618 nitrogen fertilizer Substances 0.000 description 3
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 3
- 239000001103 potassium chloride Substances 0.000 description 3
- 235000011164 potassium chloride Nutrition 0.000 description 3
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 3
- 229910001950 potassium oxide Inorganic materials 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000012756 surface treatment agent Substances 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 241000219146 Gossypium Species 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 239000011280 coal tar Substances 0.000 description 2
- 230000000536 complexating effect Effects 0.000 description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004200 microcrystalline wax Substances 0.000 description 2
- 235000019808 microcrystalline wax Nutrition 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- 230000001228 trophic effect Effects 0.000 description 2
- 239000002383 tung oil Substances 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 208000003643 Callosities Diseases 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QFHMNFAUXJAINK-UHFFFAOYSA-N [1-(carbamoylamino)-2-methylpropyl]urea Chemical compound NC(=O)NC(C(C)C)NC(N)=O QFHMNFAUXJAINK-UHFFFAOYSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- MXZRMHIULZDAKC-UHFFFAOYSA-L ammonium magnesium phosphate Chemical compound [NH4+].[Mg+2].[O-]P([O-])([O-])=O MXZRMHIULZDAKC-UHFFFAOYSA-L 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- QLULGSLAHXLKSR-UHFFFAOYSA-N azane;phosphane Chemical compound N.P QLULGSLAHXLKSR-UHFFFAOYSA-N 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000012636 effector Substances 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 244000037666 field crops Species 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000000509 infertility Diseases 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 231100000535 infertility Toxicity 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910052567 struvite Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Abstract
The invention discloses a coating slow-release disposable fertilizer which consists of a coating formed by basis fertilizers and masking liquid on the surface of the basis fertilizers, wherein, the composition of the masking liquid on the coating is expressed according to the ratio of quality portions: 0.5-10 portions of humate, 0.1-2.5 portions of natural gum, 0.1-2.5 portions of modified starch, 5-20 portions of carbamide, 0.5-4 portions of zinc sulfate, 0.5-3 portions of manganous sulfate, 0.5-20 portions of green copperas, 0.5-1 portion of boric acid, 0.1-1 portion of sodium molybdate, 2.5-3 portions of organic acid regulators, 2.5-3 portions of ammonium citrate and 87.2-30 portions of water. The masking liquid is evenly coated on the particle surface of the basis fertilizers in a coating machine. Referring to the proposal of soil measurement and fertilizer preparation, the invention can adjust prescription flexibly, organize production quantitively, keeps the fertilizer effect to be stable in a long time, reduces the slow-release cost, realizes the modification of three main nutrients of nitrogen, phosphorus and potassium and has complete functions of slow-releasing and synergy; besides, the fertilizer improves the utilization of the fertilizer and is suitable for mechanized application and standard production.
Description
Technical field
The present invention relates to fertilizer, particularly a kind of coating sustained-released disposable fertilizer belongs to the fertilizer preparing technical field.
Background technology
Grain security is the focus of current domestic, international concern, guarantees that grain security is to guarantee social stability and STRATEGIES OF SUSTAINABLE DEVELOPMENT problem.Fertilizer is as " grain of grain ", and the contribution rate of increases in grain production is reached nearly 50%, and simultaneously, fertilizer also is maximum agricultural cost input.Therefore, rationally, the fertilising of science is to guarantee one of grain security important leverage.At present, because China's chemical fertilizer products innovation lags behind, to use improper in addition, causes chemical fertilizer utilization ratio on the low side, and not only the serious waste resource increases the fertilising cost, and strengthened the risk of fertilising to environment.At the fertilizer preparing technical field, sustained-release and controlled release, composite highly effective, friendly environment are the trend of fertilizer research and development.Sustained-controll-release fertiliser is the focus of current research, is described as " fertilizer of 21st century ".Since nearly half a century, the fertilizer controlled release technology being is all actively is being researched and developed in countries in the world, and develops multiple slow controlled release product.These slow controlled release products briefly say, realize sustained release to nutrient by four approach basically.1) the synthetic slow machine nitrogenous fertilizer that is dissolved with is pitched two ureas (IBDU) etc. as urea formaldehyde (UF), urine acetaldehyde (CDU), iso-butylene; 2) synthetic slow molten inorganic nitrogenous fertilizer is as magnesium ammonium phosphate (NH4MgPO4) etc.; 3) coating (wrapping up in) release fertilizer is as sulfur coated urea, coating urea, Nutricote CAFS, Luxuriance (happy dawn is executed); 4) produce the slow release fertilizer that inhibitor is improved, as long-term efficiency bicarbonate ammonium (adding the Dyhard RU 100 DCD of improvement), long-acting carbamide etc.Disclosed sustained-controll-release fertiliser is mainly used on the crop of flowers and high economic value added thereof owing to higher production cost in the prior art.In several sustained-controll-release fertiliser products of often mentioning bag Thio Urea price general minimum approximately be 1～2 times of common urea price, the urea formaldehyde product takes second place, the N of unit is higher 3～5 times than common urea, polymer coating controlled release fertilizer is higher, can reach 4～8 times.If be applied on the farm crop, be difficult to obtain satisfactory input-output ratio.Therefore, because higher production cost, become " bottleneck " that slowly-releasing, release and release control fertilizer are used in field crop, the big area that has influenced slowly-releasing, release and release control fertilizer is promoted.
Summary of the invention
The object of the present invention is to provide a kind of be used for field crop, slowly-releasing, Synergistic type fertilizer cheaply, solved because of slow release fertilizer cost height, be difficult to the difficult problem used in the land for growing field crops.
The object of the present invention is achieved like this.Employing of the present invention and nitrogen, phosphorus, potassic fertilizer particle surface have the stronger affinity and the coated material of film forming characteristics, separate application is at the different fertilizer particle surface, form one or more layers coating, become and have " control nitrogen slowly-releasing, short phosphorus synergy, anti-potassium leaching loss " characteristic slowly-releasing, Synergistic type simple substance (or two or more nutrient) modification fertilizer, adopt blending technology special-purpose fertile according to the field crop that the soil testing and fertilizer recommendation needs can obtain different purposes.
Specifically, coating sustained-released disposable fertilizer of the present invention is by base fertilizer and be coated on the coating that base fertilizer surface forms and form, and the consumption of coating masking liquid is 0.5%～8% of a base fertilizer quality.
The coating masking liquid of said coating sustained-released disposable fertilizer is in an amount of organic and inorganic mixed colloidal solution, in the adding, trace element, organic acid conditioning agent etc., in the stainless steel reactor, is heated to 70-80 ℃ and makes coating solution (being masking liquid).The physicochemical property difference of gene basis fertilizer (as: granular urea, monoammonium phosphate, Repone K, vitriolate of tartar), the masking liquid mix proportion scheme is also inequality, is divided into three big series: coating nitrogenous fertilizer masking liquid (N1), coating nitrogenous masking liquid (N2), coating phosphorus ammonium masking liquid (P), coating Repone K masking liquid (K).During production, be respectively applied for the coated of above-mentioned base fertilizer surface or a granulation process.In coating machine, use masking liquid that base fertilizer is carried out the coating coating and handle, make masking liquid evenly coat the coating sustained-released disposable fertilizer that the base fertilizer particle surface obtains different qualities and purposes.
The composition of floating coat masking liquid of the present invention is expressed as follows with ratio of quality and the number of copies: 0.5～10 part of humate, 0.1～2.5 part of natural gum, 0.1～2.5 part of treated starch, 5～20 parts in urea, 0.5～4 part in zinc sulfate, 0.5～3 part of manganous sulfate, 0.5～20 part in ferrous sulfate, 0.5～1 part of boric acid, 0.1～1 part of Sodium orthomolybdate, 2.5～3 parts of organic acid conditioning agents, 2.5～3 parts of ammonium citrates, 87.2～30 parts in water.
Said humate is one or more mixtures in potassium humate, sodium humate, the ferric humate; In, trace element is one or more mixtures in the necessary zinc of plant growth, manganese, boron, zinc sulfate generally commonly used, manganous sulfate, ferrous sulfate, boric acid etc.; Natural gum is one or more mixtures in gelatine, gelatin, collagen, the starch; The organic acid conditioning agent is one or more mixtures in xanthohumic acid, citric acid, the oxalic acid.
The technical indicator of various masking liquids:
1, coating urea masking liquid, outward appearance are that blackish green (non-dyestuff indication look), proportion are 1.22～1.24, pH value 3～4.Be mainly used in and for the first time granular urea carried out coating and handle, usage quantity be about base fertilizer quality 0.5～0.7%,
2, apply the urea masking liquid: outward appearance is mazarine (non-dyestuff indication look), proportion 1.24～1.26, pH value 4～5; Be mainly used in the granular urea through coating processing is for the first time carried out the processing treatment second time, usage quantity is about 0.5～0.6%. of base fertilizer quality
3, phosphate fertilizer coating masking liquid: outward appearance is that black or dyestuff indication look, proportion are 1.12～1.14, pH value 7～8, and usage quantity is about 2%～3% of base fertilizer quality.
4, potash fertilizer granulation masking liquid: outward appearance black (non-dyestuff indication look), proportion are 1.08～1.10, pH value 5～6, are mainly used to replace acid or water in the tradition comminution granulation, and usage quantity is 6%～8% of a base fertilizer quality.
Said base fertilizer comprises in the coating sustained-released disposable fertilizer of the present invention: granular urea; Particulate state phosphate fertilizer such as monoammonium phosphate, diammonium phosphate, coarse whiting, fused(calcium magnesium)phosphate; Powders such as Repone K, vitriolate of tartar, saltpetre, potassic-magnesian fertilizer, grey potash fertilizer; Other complementary basic materials, as: humic acid, siliceous fertilizer, calcareous fertilisers, peat, clay, attapulgite (zeopan mineral powder), surface treatment agent: by 70 parts of microcrystalline waxes, 20 parts in coal tar, 10 parts of mixtures of forming of tung oil, talcum powder etc.; Can make the coating granular urea or apply twice or repeatedly coated fertilizer and the granulated fertilizer that uses masking liquid to make such as coating granular urea repeatedly by the granule prilling process.
The present invention has not only reduced the slowly-releasing cost, and reduced the inhomogeneous discrete phenomena of Bulk Blending Fertilizer, be fit to mechanical fertilization more, and can join fertile scheme with reference to survey soil and adjust prescription flexibly, quantitative tissue production, nutrient kind, the polynary coexistence of form, have complementary functions, trophic function is complete, and effect is unique, and fertilizer efficiency is surely long.Realize the modification of nitrogen, phosphorus, potassium three big main nutrients, had a complete sustained-release synergistic function, improved utilization rate of fertilizer.Simultaneously, reduced the caking phenomenon of " crystal bridge formation ", product do not lump, non-hygroscopic, do not emanate commodity epigranular, suitable for mechanization fertilising, standardized production.
Embodiment
Following examples are used to illustrate the present invention.
Embodiment 1 cotton special-purpose coat sustained-released disposable fertilizer (N:P:K=17:8:15)
(1) base fertilizer is formed: granular urea (N 〉=46%), monoammonium phosphate (N 〉=11%, P
2O
5〉=44%) Repone K (K,
2O 〉=60%), attapulgite (zeopan mineral powder), humic acid powder and according to three kinds of masking liquids of nitrogen, phosphorus, potassium of cotton Demand Design.
(2) preparation of masking liquid: 1. coating urea masking liquid, prescription: 20 parts in urea, 1.2 parts of hide glues, 3.0 parts in zinc sulfate, 2.5 parts of manganous sulfates, 15 parts in ferrous sulfate, 0.5 part of boric acid, 0.1 part of Sodium orthomolybdate, 2.5 parts of xanthohumic acids, citric acid are by 2.5 parts, residual content water polishing; Major equipment: temperature adjustment reactor or have the retort that adds temperature function and agitating function, microprocessor pump drive, line strainer etc.; Production technique: hide glue is put into the reactor that injects less water, progressively be heated to 70～80 ℃, and keep stirring, stand-by.Simultaneously, in other reactors, trace elements such as zinc sulfate, manganous sulfate, ferrous sulfate are dissolved, and add urea, ammonium citrate, after treating fully to react, inject the hide glue aqueous solution, and fully stir, treat that temperature descends after, add xanthohumic acid etc. again, the pail pack of packing into after filtering, standby.2. coating monoammonium phosphate masking liquid, prescription: 5 parts of sodium humates, 20 parts in urea, 0.5 part in zinc sulfate, 0.5 part of manganous sulfate, 0.5 part in ferrous sulfate, 0.5 part of boric acid, 2.5 parts of ammonium citrates, 0.5 part of xanthohumic acid, residual mass water polishing, major equipment is the same, sodium humate put into add the reactor that injects less water, progressively be heated to 70～80 ℃, and keep stirring, stand-by.Simultaneously, in other reactors, trace elements such as zinc sulfate, manganous sulfate, ferrous sulfate are dissolved, and add urea, ammonium citrate, after treating fully to react, inject the sodium humate aqueous solution, and fully stir, treat that temperature descends after, add xanthohumic acid etc. again, the pail pack of packing into after filtering, standby.3. coating potash fertilizer masking liquid is filled a prescription: 1 part of potassium humate, 1 part of hide glue, 5 parts in urea, 1.5 parts in zinc sulfate, 1.5 parts of manganous sulfates, 1.5 parts in ferrous sulfate, 0.5 part of boric acid, 2.5 parts of ammonium citrates, 0.5 part of citric acid, residual mass water polishing.Major equipment is the same, and production technique is put into hide glue and added the reactor that injects less water, progressively is heated to 70～80 ℃, and keeps stirring, and is stand-by.Simultaneously, in other reactors, add potassium humate earlier and wait to dissolve back (heating, stirring), add trace element, urea, ammonium citrates such as zinc sulfate, manganous sulfate, ferrous sulfate more successively, after treating fully reaction, inject the hide glue aqueous solution, and fully stir, after treating that temperature descends, add citric acid, the pail pack of packing into after filtering, standby.Above-mentioned three kinds of masking liquids are the special-purpose coat masking liquid of cotton special-purpose coat sustained-released disposable fertilizer.
(3) production technique of cotton coating sustained-released disposable fertilizer
(1) straight fertilizer coating production technique (this can be common to the production of coating sustained-released disposable fertilizers such as cotton, corn, wheat).1. granular urea coating coating production technique, major equipment: coating machine, metering or quantitatively (above mechanical market are on sale) such as conveyor, masking liquid volume pump, atomizing spraying device, hotblast stove, induced draft fans; Production method: in coating machine, use urea masking liquid (N1 or N2) that granular urea is carried out the coating coating and handle, make masking liquid can evenly coat the urea granules surface, form urea groups complexing metal salt integument.The coating coated fertilizer uses coating urea masking liquid (N1) for the first time, and consumption is 0.5～0.7% of a feed amount, and made material is referred to as coating urea.Reach repeatedly the coating coating for the second time and handle, the granular urea that adopts coating masking liquid (N2) that the N1 masking liquid was handled carries out secondary or repeatedly coating processing, and the consumption of at every turn handling the N2 masking liquid is 0.5～0.6% of a feed amount, and made material is referred to as to apply urea.Granular urea should adopt the big ventilation drying treatment of low temperature after handling through coating, can add auxiliary materials such as talcum powder in the environment of high temperature, humidity.2. coating monoammonium phosphate coating coating production technique.The employing main production equipments is the same.Using the P masking liquid that the particle monoammonium phosphate is carried out the coating coating in coating machine handles, make the P masking liquid can evenly coat monoammonium phosphate fertiliser granulates surface, P masking liquid consumption is 2%～3% of a feed amount, and monoammonium phosphate should adopt the big ventilation drying treatment of low temperature after handling through coating.3. coating potash fertilizer production granulation process.Major equipment can be with reference to general composite fertilizer production unit, and mainly comprise: disk granulation or rotary drum granulator, rotary drum dryer, cooler, sub-sieve, metering packing etc., what particularly point out is to install the masking liquid spray equipment on disk or rotary drum granulator additional.Production method: take by weighing 512.1 kilograms/ton in Repone K of powdery (or through pulverizing), 380.1 kilograms/ton of attapulgites, 100 kilograms/ton of powdery humic acid (residual mass is for adding the masking liquid dry biomass); be mixed through stirring; quantitatively add in disk or the rotary drum granulator continuously; spray K masking liquid; utilize a comminution granulation principle to form particle; technologies such as drying, cooling, sub-sieve; obtain granularity 2～4mm particle; be complementary with the particle diameter of granular urea, particle monoammonium phosphate; water content should be lower than 2%, and K is measured in chemical examination
2O 〉=31.27%.In the production process, K masking liquid consumption is about 8% of powdery potash fertilizer and an auxiliary material feeding amount thereof.
(2) blend together finished product fertilizer technology.Major equipment BB produces the special blending machine, production method: take by weighing 161.4 kilograms of coating ureas, apply 161.4 kilograms in urea, 183.1 kilograms of coating monoammonium phosphates, 494.1 kilograms of 31.27% (referring to potassium oxide content) potassium chloride particles, mix metering packing.
Embodiment 2 corn special-purpose coat sustained-released disposable fertilizers (N:P:K=21:5:14)
(1) base fertilizer is formed: granular urea (N 〉=46%), monoammonium phosphate (N 〉=11%, P
2O
5〉=44%) Repone K (K,
2O 〉=60%), attapulgite (zeopan mineral powder), humic acid powder and according to three kinds of masking liquids of nitrogen, phosphorus, potassium of corn Demand Design.
(2) preparation of masking liquid: 1. coating urea masking liquid, prescription: 20 parts in urea, 1.6 parts in gelatin, 3.0 parts in zinc sulfate, 2.5 parts of manganous sulfates, 20 parts in ferrous sulfate, 0.5 part of boric acid, 2.5 parts of xanthohumic acids, 2.5 parts of ammonium citrates, residual mass water polishing; Major equipment and production technique are with 2. coating monoammonium phosphate masking liquid of embodiment 1., prescription: 1.2 parts in gelatin, 20 parts in urea, 0.5 part in zinc sulfate, 0.5 part of manganous sulfate, 0.5 part in ferrous sulfate, 0.5 part of boric acid, 0.5 part of citric acid, 2.5 parts of ammonium citrates, residual mass water polishing, major equipment and production technique are with embodiment 1.3. coating potash fertilizer masking liquid is filled a prescription: 5 parts of sodium humates, 1 part of treated starch, 5 parts in urea, 3 parts in zinc sulfate, 1.5 parts of manganous sulfates, 1.5 parts in ferrous sulfate, 0.5 part of boric acid, 2.5 parts of ammonium citrates, 0.5 part of citric acid, residual mass water polishing.Major equipment and production technique are with embodiment 1.Above-mentioned three kinds of masking liquids are the special-purpose coat masking liquid of corn special-purpose coat sustained-released disposable fertilizer.
(3) the blending production technique of corn coating sustained-released disposable fertilizer
(1) straight fertilizer coating production technique: 1. coating granular urea coating coating production technique, major equipment is with embodiment 1, production method: in coating machine, use coating urea masking liquid (N1) that granular urea is carried out the coating coating and handle, make the coating urea masking liquid can evenly coat the urea granules surface, form urea groups complexing metal salt integument, consumption is 0.5～0.7% of a granular urea feed amount.(with embodiment 1 difference, not carrying out the coating processing second time) be coating monoammonium phosphate coating coating production technique 2..Adopt main production equipments and production technique with embodiment 1.3. coating potash fertilizer production granulation process.Major equipment is with embodiment 1.Production method: take by weighing 508.6 kilograms/ton in Repone K of powdery (or through pulverizing), 377 kilograms/ton of attapulgites, 100 kilograms/ton of powdery humic acid (residual mass is for adding the masking liquid dry biomass), other production technique are with embodiment 1, and K is measured in chemical examination
2O 〉=30.5%.
(2) blend together finished product fertilizer technology.Major equipment BB produces special blending machine, production method: take by weighing 426.8 kilograms of coating ureas, 114.4 kilograms of coating monoammonium phosphates, 458.8 kilograms of 31.27% (referring to potassium oxide content) potassium chloride particles, mix metering packing.
Embodiment 3 paddy rice special-purpose coat sustained-released disposable fertilizers (N:P:K=20:9:16)
(1) base fertilizer is formed: granular urea (N 〉=46%), monoammonium phosphate (N 〉=11%, P
2O
5〉=44%) Repone K (K,
2O 〉=60%), attapulgite (zeopan mineral powder), siliceous fertilizer, surface treatment agent, humic acid powder and according to three kinds of masking liquids of nitrogen, phosphorus, potassium of paddy rice Demand Design.
(2) preparation of masking liquid: 1. coating urea masking liquid, prescription: 20 parts in urea, 1.6 parts in gelatin, 3.0 parts in zinc sulfate, 2.5 parts of manganous sulfates, 10 parts in ferrous sulfate, 0.5 part of boric acid, 0.1 part of Sodium orthomolybdate, 2.5 parts of citric acids, 2.5 parts of ammonium citrates, residual mass water polishing; Major equipment and production technique are with embodiment 1.2. coating monoammonium phosphate masking liquid, prescription: 5 parts of potassium humates, 20 parts in urea, 0.5 part in zinc sulfate, 0.5 part of manganous sulfate, 0.5 part in ferrous sulfate, 0.5 part of boric acid, 2.5 parts of ammonium citrates, residual mass water polishing, major equipment and production technique are with embodiment 1.3. coating potash fertilizer masking liquid is filled a prescription: 1 part of potassium humate, 1 part of hide glue, 5 parts in urea, 1.5 parts in zinc sulfate, 1.5 parts of manganous sulfates, 1.5 parts in ferrous sulfate, 0.5 part of boric acid, 2.5 parts of ammonium citrates, 0.5 part of citric acid, residual mass water polishing.Major equipment and production technique are with embodiment 1.Above-mentioned three kinds of masking liquids are the special-purpose coat masking liquid of paddy rice special-purpose coat sustained-released disposable fertilizer.
(3) the blending production technique of paddy rice coating sustained-released disposable fertilizer
(1) straight fertilizer coating production technique: 1. granular urea coating coating production technique, major equipment and production technique are with embodiment 1, what need particularly point out is, reach repeatedly the urea coated water tolerance of coating that coating forms for improving twice, this need carry out surface treatment to the coating urea that embodiment 1 described explained hereafter goes out, its production method is as follows: in coating machine, adopt surface treatment agent (or to claim sealing agent, 70 parts of microcrystalline waxes, 20 parts in coal tar, the mixture that tung oil is 10 parts) evenly coats coating urea material surface, consumption is 2-3% of a feed amount, and made material is referred to as water-resisting type and applies urea.2. coating monoammonium phosphate coating coating production technique.Major equipment and production technique are with embodiment 1.3. coating potash fertilizer production granulation process.Major equipment is with embodiment 1.Production method: take by weighing 654.6 kilograms/ton in Repone K of powdery (or through pulverizing), 181 kilograms/ton of attapulgites, 50 kilograms/ton of powdery humic acid, 100 kilograms/ton of powdery siliceous fertilizers (residual mass is for adding the masking liquid dry biomass), other production technique are with embodiment 1, and K is measured in the finished product chemical examination
2O 〉=39.28%.
(2) blend together finished product fertilizer technology.Major equipment BB produces the special blending machine, production method: take by weighing 193.32 kilograms of coating ureas, 193.32 kilograms in urea of water-resisting type coating, 205.99 kilograms of coating monoammonium phosphates, 407.37 kilograms of 39.28% (referring to potassium oxide content) potassium chloride particles, mix metering packing
Above specific embodiment explanation, the masking liquid of coating sustained-released disposable fertilizer and base fertilizer Formula Design can and be used crop according to the different soils environment, and science is adjusted mix proportion scheme, effectively improve the specific aim of fertilising, really accomplish " survey soil and join fertilizer ", " precisely fertilising ".
Coating sustained-released disposable fertilizer of the present invention has been obtained satisfied effect in actual applications. Add up for over ten years Produce 100,000 tons in the Special Fertilizers for Various Crops material such as wheat, corn, cotton, vegetables, 2,000,000 mu of popularizing areas connect Continuous 8 annuals volume increase improves 10 percentage points than general composite fertilizer utilization rate, at wheat mu more than 15% Produce 600 kilograms, 700 kilograms of corns under the yield level that gined cotton is 100 kilograms, all can be realized one batch of crop Execute disposable fertilizer, increase production vegetables, fruit crop, and obviously improve crop quality. In using Once finish by multiple working procedures such as crushed stalk, the sowing of band stubble, deep application of fertilizer, covering with ground sheeting, with tradition One batch of crop should basal dressing, seed manure topdresses again and is reduced to single-dose application, economize fertile 20%, water-saving 30%, The saving of labor 30%, and with habits fertilization contrast, wheat mu increases that 50kg, corn mu increase 70kg, unginned cotton mu increases 30kg.
What following table was listed is the comparison of coating sustained-released disposable fertilizer and other fertilizer products.
The comparison of coating sustained-released disposable fertilizer and other fertilizer products
| Project | Coating sustained-released fertilizer | The resin type slow release fertilizer | Nitrated, urease inhibitor stabile fertilizer |
| The slowly-releasing principle | Adopt with the N,P,K fertilizers particle surface to have stronger affinity and the coating material of film forming characteristics, be coated on respectively the different fertilizer particle surface, form one or more layers coating, become | Adopt the very low macromolecule resin of moisture transmitance as coating material, it evenly is sprayed at the fertiliser granulates surface, make it form the very low resin molding of one deck moisture permeable, the moisture in the soil advances by resin molding | Suppress by nitrated, urease inhibitor The Soil Biochemical process of nature reaches and subtracts The target of slow crop nutrition content effective supply. The digestion inhibitor is over a period to come logical Cross and suppress nitrite bacteria in the soil Active microorganism oxygen of postponing ammonium ion |
| Has " control nitrogen slowly-releasing, short phosphorus Synergy, anti-potassium leaching loss " function. | Enter in the fertiliser granulates, nutrient is molten Membrane absorbs for crop outward. | Change; Urease inhibitor hindered in the regular period End and suppress that amidonitrogen turns in the urea Turn to ammonium hydroxide and ammonium, slow down soil Middle hydrolysis of urea speed reduces waving of ammonia Send out loss. | |
| Slow-release function | Adopt coating and group's flocculation structure mould Formula realizes delayed dissolved, deceleration Stripping, control diffusion, reduction The slowly-releasing targets such as urease activity; Increasing chelated microelements supplies Give. | Adopting coating to process mainly is control Nutrient stripping, functional effect are relatively Single. | In the Common compound fertilizer production process, add Enter an amount of digestion inhibitor (DCD, TU Deng), urease inhibitor (HQ, NBPT Deng) or the compound additive of two classes, rise Live to inhibition urase, inferior bacterial digestion The property. |
| Slow release effect | Reduce urease activity, increase soil Earth adsorption sustained-release effector phase 200 My god, reach wheat, cotton etc. Crop nutrient in the time of infertility supplies Should. Be applicable to north arid, Semiarid farming district. | The nutrient dissolution rate slows down, slowly-releasing 3～9 months phases, can be suitable for south Fang Shuitian. | Soil urease liveness had the work of inhibition With, bacterial digestion in the soil had presses down Make and use. Fertilizer efficiency period can reach 120 days. Different climate, edaphic condition slow release effect Inconsistent. |
| Security | The coating raw material is that organic-inorganic is mixed Become liquid, nontoxic, can be used as Nutrient solution is directly used, and is no residual Stay. | Macromolecule resin material, chemistry Matter is stable, can not fall in short-term Separate, crop is not had trophic function. | Low toxicity, to people and animals and crop safety, Minute quantity is residual in the soil. Part material Should note in the poisonous production engineering. |
| Cost | Process equipment is simple; Increase and give birth to Produce cost 2%～3%; | The apparatus and process complexity, it is many to increase production cost | In compound fertilizer production technology, add, increase cost 2～3% |
| Effect (only cotton) | Produce 14.3% than habits fertilization, plant recovery of nutrient improves 10 percentage points (clay fertilizer station, Xinji City, Hebei province Yang Zhao ripple tests " research of coating sustained-released fertilizer and application ") | 1, increases production than habits fertilization 10.83% (clay fertilizer station, Hubei Province " the big Controlled Release Fertilizer of Nintaus should for Yi Yanrui Be used for the cotton test effect "; 2, Coating sustained-released disposable fertilizer and agricultural doctor The volume increase of sustained-released disposable fertilizer contrast test 23% (Yantai City's means of agricultural production scientific ﹠ technical corporation) | Improve 8.7 percentages of utilization rate of fertilizer Point can make crop yield about 10%. (the ecological institute in Chinese Academy of Sciences Shenyang is " long Active compound fertilizer additive expert evidence " |
Claims (9)
1. coating sustained-released disposable fertilizer is characterized in that: be coated on the coating that the base fertilizer surface forms by base fertilizer and masking liquid and form, the consumption of masking liquid is 0.5%～8% of a base fertilizer quality;
Wherein, the composition of masking liquid is expressed as with ratio of quality and the number of copies: 0.5～10 part of humate, 0.1～2.5 part of natural gum, 0.1～2.5 part of treated starch, 5～20 parts in urea, 0.5～4 part in zinc sulfate, 0.5～3 part of manganous sulfate, 0.5～20 part in ferrous sulfate, 0.5～1 part of boric acid, 0.1～1 part of Sodium orthomolybdate, 2.5～3 parts of organic acid conditioning agents, 2.5～3 parts of ammonium citrates, 87.2～30 parts in water;
Said humate is one or more mixtures in potassium humate, sodium humate, the ferric humate; Natural gum is one or more mixtures in gelatine, gelatin, collagen, the starch; The organic acid conditioning agent is one or more mixtures in xanthohumic acid, citric acid, the oxalic acid;
Said base fertilizer comprises: granular urea; Particulate state phosphate fertilizer such as monoammonium phosphate, diammonium phosphate, coarse whiting, fused(calcium magnesium)phosphate; Repone K, vitriolate of tartar, saltpetre, potassic-magnesian fertilizer, grey potash fertilizer; Complementary basic material: humic acid, siliceous fertilizer, calcareous fertilisers, peat, clay, attapulgite, use separately or any mixture wherein;
Natural gum is put into the reactor that injects less water, progressively be heated to 70～80 ℃, and keep stirring, stand-by, simultaneously, in other reactors, zinc sulfate, manganous sulfate, ferrous sulfate trace element are dissolved, and add base fertilizer, ammonium citrate, after treating fully reaction, put into the natural gum aqueous solution, and fully stir, after treating that temperature descends, add the organic acid conditioning agent again, the pail pack of packing into after filtering, standby;
With masking liquid base fertilizer is carried out the coating coating and handle, make masking liquid evenly coat the coating sustained-released disposable fertilizer that the base fertilizer particle surface obtains different qualities and purposes.
2, coating sustained-released disposable fertilizer according to claim 1 is characterized in that: the prescription of coating urea masking liquid is expressed as with ratio of quality and the number of copies: 20 parts in urea, 1.2 parts of hide glues, 3.0 parts in zinc sulfate, 2.5 parts of manganous sulfates, 15 parts in ferrous sulfate, 0.5 part of boric acid, 0.1 part of Sodium orthomolybdate, 2.5 parts of xanthohumic acids, citric acid are by 2.5 parts, residual mass water polishing.
3, coating sustained-released disposable fertilizer according to claim 1 is characterized in that: the prescription of coating urea masking liquid is expressed as with ratio of quality and the number of copies: 20 parts in urea, 1.6 parts in gelatin, 3.0 parts in zinc sulfate, 2.5 parts of manganous sulfates, 20 parts in ferrous sulfate, 0.5 part of boric acid, 2.5 parts of xanthohumic acids, 2.5 parts of ammonium citrates, residual mass water polishing.
4, coating sustained-released disposable fertilizer according to claim 1 is characterized in that: the prescription of coating urea masking liquid is expressed as with ratio of quality and the number of copies: 20 parts in urea, 1.6 parts in gelatin, 3.0 parts in zinc sulfate, 2.5 parts of manganous sulfates, 10 parts in ferrous sulfate, 0.5 part of boric acid, 0.1 part of Sodium orthomolybdate, 2.5 parts of citric acids, 2.5 parts of ammonium citrates, residual mass water polishing.
5, coating sustained-released disposable fertilizer according to claim 1, it is characterized in that: the prescription of coating monoammonium phosphate masking liquid is expressed as with ratio of quality and the number of copies: 5 parts of sodium humates, 20 parts in urea, 0.5 part in zinc sulfate, 0.5 part of manganous sulfate, 0.5 part in ferrous sulfate, 0.5 part of boric acid, 2.5 parts of ammonium citrates, 0.5 part of xanthohumic acid, residual mass water polishing.
6, coating sustained-released disposable fertilizer according to claim 1 is characterized in that the prescription of coating monoammonium phosphate masking liquid is expressed as with ratio of quality and the number of copies: 1.2 parts in gelatin, 20 parts in urea, 0.5 part in zinc sulfate, 0.5 part of manganous sulfate, 0.5 part in ferrous sulfate, 0.5 part of boric acid, 2.5 parts of ammonium citrates, residual mass water polishing.
7, coating sustained-released disposable fertilizer according to claim 1, it is characterized in that: the prescription of coating potash fertilizer masking liquid is expressed as with ratio of quality and the number of copies: 1 part of potassium humate, 1 part of hide glue, 5 parts in urea, 1.5 parts in zinc sulfate, 1.5 parts of manganous sulfates, 1.5 parts in ferrous sulfate, 0.5 part of boric acid, 2.5 parts of ammonium citrates, 0.5 part of citric acid, residual mass water polishing.
8, coating sustained-released disposable fertilizer according to claim 1, it is characterized in that: the prescription of coating potash fertilizer masking liquid is expressed as with ratio of quality and the number of copies: 5 parts of sodium humates, 1 part of treated starch, 5 parts in urea, 3 parts in zinc sulfate, 1.5 parts of manganous sulfates, 1.5 parts in ferrous sulfate, 0.5 part of boric acid, 2.5 parts of ammonium citrates, 0.5 part of citric acid, residual mass water polishing.
9, coating sustained-released disposable fertilizer according to claim 1, it is characterized in that: the prescription of coating potash fertilizer masking liquid is expressed as with ratio of quality and the number of copies: 1 part of potassium humate, 1 part of hide glue, 5 parts in urea, 1.5 parts in zinc sulfate, 1.5 parts of manganous sulfates, 1.5 parts in ferrous sulfate, 0.5 part of boric acid, 2.5 parts of ammonium citrates, 0.5 part of citric acid, residual mass water polishing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100793169A CN101362662B (en) | 2008-09-03 | 2008-09-03 | Coating sustained-released disposable fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100793169A CN101362662B (en) | 2008-09-03 | 2008-09-03 | Coating sustained-released disposable fertilizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101362662A true CN101362662A (en) | 2009-02-11 |
| CN101362662B CN101362662B (en) | 2013-09-18 |
Family
ID=40389297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100793169A Expired - Fee Related CN101362662B (en) | 2008-09-03 | 2008-09-03 | Coating sustained-released disposable fertilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101362662B (en) |
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805227A (en) * | 2010-04-16 | 2010-08-18 | 范友 | Slow control release biological inorganic and organic mixed fertilizer |
| CN102358710A (en) * | 2011-07-26 | 2012-02-22 | 双赢集团有限公司 | Ecological fertilizer, preparation method, and application of ecological fertilizer in agricultural or forestry production |
| CN102381911A (en) * | 2011-07-26 | 2012-03-21 | 双赢集团有限公司 | Ecological diammonium phosphate as well as preparation method and application thereof in agriculture or forestry production |
| CN102424632A (en) * | 2011-09-08 | 2012-04-25 | 河南心连心化肥有限公司 | Nutrient loss-controlled compound fertilizer and production method thereof |
| CN102424633A (en) * | 2011-09-14 | 2012-04-25 | 常大勇 | Self-curing film-coated controlled release fertilizer and preparation method thereof |
| CN102424640A (en) * | 2011-09-17 | 2012-04-25 | 山东喜丰田生态肥业有限公司 | Two-layer coated water-retaining sustained-release fertilizer and preparation method thereof |
| CN102603431A (en) * | 2012-03-15 | 2012-07-25 | 广西新方向化学工业有限公司 | Film coating synergistic nitrogen fertilizer and preparation method thereof |
| CN101659583B (en) * | 2009-09-09 | 2012-11-21 | 中国海洋石油总公司 | Post-treatment method of granular fertilizer |
| CN102815994A (en) * | 2012-07-31 | 2012-12-12 | 马鞍山科邦生态肥有限公司 | Special fertilizer for paddy rice |
| CN102976869A (en) * | 2012-12-06 | 2013-03-20 | 江苏湛蓝科技开发有限公司 | Technique for producing macroelement water-soluble fertilizer and coproducing slow-release fertilizer |
| CN103113158A (en) * | 2013-02-01 | 2013-05-22 | 兰州熙瑞化工科技有限公司 | Slow-release water retention agent/fertilizer composition |
| CN103121878A (en) * | 2013-03-07 | 2013-05-29 | 北京澳佳肥业有限公司 | Double membrane slow release fertilizer containing humic acid and preparation method thereof |
| CN104447010A (en) * | 2014-12-08 | 2015-03-25 | 王意强 | Humic acid type functional blended fertilizer and preparation method thereof |
| CN104447009A (en) * | 2014-12-08 | 2015-03-25 | 王意强 | Humic acid type functional compound fertilizer and preparation method thereof |
| CN104945095A (en) * | 2015-06-05 | 2015-09-30 | 明光市数智肥业有限公司 | Controlled release fertilizer synergist for improving absorbing ability of corn and preparation method thereof |
| CN104945097A (en) * | 2015-06-05 | 2015-09-30 | 明光市数智肥业有限公司 | Controlled release fertilizer synergist for stably improving corn yield and preparation method thereof |
| CN104945094A (en) * | 2015-06-05 | 2015-09-30 | 明光市数智肥业有限公司 | Controlled release fertilizer synergist for improving drought resistant ability of corn and preparation method thereof |
| CN104945096A (en) * | 2015-06-05 | 2015-09-30 | 明光市数智肥业有限公司 | Slow-release fertilizer synergist for promoting corn root system absorption, and preparation method thereof |
| CN105777367A (en) * | 2016-03-31 | 2016-07-20 | 太仓市新联粮食生产专业合作社 | Long-acting environment-friendly coated slow release compound fertilizer used for planting oryza sativa and preparation method thereof |
| CN105777364A (en) * | 2016-03-31 | 2016-07-20 | 太仓市新联粮食生产专业合作社 | Long-actingselenium-enriched coated slow-release compound fertilizer for rice planting and preparation method thereof |
| CN105801320A (en) * | 2016-03-31 | 2016-07-27 | 太仓市新联粮食生产专业合作社 | Degradable environment-friendly coated slow release compound fertilizer for rice planting and preparation method thereof |
| CN105859388A (en) * | 2016-03-31 | 2016-08-17 | 太仓市新联粮食生产专业合作社 | A slow-release compound fertilizer used for paddy rice planting and a preparing method thereof |
| CN105859387A (en) * | 2016-03-31 | 2016-08-17 | 太仓市新联粮食生产专业合作社 | A soil-improving slow-release compound fertilizer used for paddy rice planting and a preparing method thereof |
| CN105985176A (en) * | 2015-12-29 | 2016-10-05 | 芜湖润蓝生物科技有限公司 | Efficient fertilizer with additional modified citric acid for carrots and method for preparing efficient fertilizer |
| CN106187503A (en) * | 2016-07-18 | 2016-12-07 | 山东植丰农化集团有限公司 | A kind of N P and K microbial envelope fertilizer and preparation method thereof |
| CN107805139A (en) * | 2017-12-01 | 2018-03-16 | 众德肥料（烟台）有限公司 | A kind of multifunctional and nutritional masking liquid and its production method |
| CN108046885A (en) * | 2017-11-20 | 2018-05-18 | 烟台市烟农富邦肥料科技有限公司 | A kind of manufacturing method of rounded grain zinc boron potassic fertilizer |
| US10099966B2 (en) | 2013-06-28 | 2018-10-16 | Saudi Basic Industries Corporation | Layered fertilizer composition |
| GB2571914A (en) * | 2018-02-13 | 2019-09-18 | Kemitel Ltd | A process for producing a fertiliser containing boron |
| CN112409110A (en) * | 2020-11-25 | 2021-02-26 | 安徽卓砺环保科技有限公司 | Special coating agent for bulk blending fertilizer and preparation method and application thereof |
| CN112645763A (en) * | 2020-12-31 | 2021-04-13 | 广东拉多美化肥有限公司 | Slow-release potassium humate fertilizer and preparation method thereof |
| CN114315468A (en) * | 2022-01-19 | 2022-04-12 | 烟台众德集团有限公司 | DMAP type slow-release fertilizer and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1031875C (en) * | 1991-10-24 | 1996-05-29 | 彭毓华 | Process for preparation of liquid trace fertilizer |
| CN1040096C (en) * | 1995-08-17 | 1998-10-07 | 郑州乐喜施磷复肥技术研究推广中心 | Releasion controlled fertilizer |
| CN1098830C (en) * | 1999-09-25 | 2003-01-15 | 孙国庆 | Multicomponent fertilizer [powder (containing additives), liquid] and preparation process |
-
2008
- 2008-09-03 CN CN2008100793169A patent/CN101362662B/en not_active Expired - Fee Related
Cited By (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101659583B (en) * | 2009-09-09 | 2012-11-21 | 中国海洋石油总公司 | Post-treatment method of granular fertilizer |
| CN101805227A (en) * | 2010-04-16 | 2010-08-18 | 范友 | Slow control release biological inorganic and organic mixed fertilizer |
| CN102358710A (en) * | 2011-07-26 | 2012-02-22 | 双赢集团有限公司 | Ecological fertilizer, preparation method, and application of ecological fertilizer in agricultural or forestry production |
| CN102381911A (en) * | 2011-07-26 | 2012-03-21 | 双赢集团有限公司 | Ecological diammonium phosphate as well as preparation method and application thereof in agriculture or forestry production |
| CN102358710B (en) * | 2011-07-26 | 2014-02-19 | 双赢集团有限公司 | Ecological fertilizer, preparation method, and application of ecological fertilizer in agricultural or forestry production |
| CN102424632A (en) * | 2011-09-08 | 2012-04-25 | 河南心连心化肥有限公司 | Nutrient loss-controlled compound fertilizer and production method thereof |
| CN102424633A (en) * | 2011-09-14 | 2012-04-25 | 常大勇 | Self-curing film-coated controlled release fertilizer and preparation method thereof |
| CN102424640A (en) * | 2011-09-17 | 2012-04-25 | 山东喜丰田生态肥业有限公司 | Two-layer coated water-retaining sustained-release fertilizer and preparation method thereof |
| CN102603431A (en) * | 2012-03-15 | 2012-07-25 | 广西新方向化学工业有限公司 | Film coating synergistic nitrogen fertilizer and preparation method thereof |
| CN102815994A (en) * | 2012-07-31 | 2012-12-12 | 马鞍山科邦生态肥有限公司 | Special fertilizer for paddy rice |
| CN102976869A (en) * | 2012-12-06 | 2013-03-20 | 江苏湛蓝科技开发有限公司 | Technique for producing macroelement water-soluble fertilizer and coproducing slow-release fertilizer |
| CN103113158A (en) * | 2013-02-01 | 2013-05-22 | 兰州熙瑞化工科技有限公司 | Slow-release water retention agent/fertilizer composition |
| CN103113158B (en) * | 2013-02-01 | 2014-12-10 | 兰州熙瑞化工科技有限公司 | Slow-release water retention agent/fertilizer composition |
| CN103121878A (en) * | 2013-03-07 | 2013-05-29 | 北京澳佳肥业有限公司 | Double membrane slow release fertilizer containing humic acid and preparation method thereof |
| CN103121878B (en) * | 2013-03-07 | 2014-10-08 | 北京澳佳肥业有限公司 | Double membrane slow release fertilizer containing humic acid and preparation method thereof |
| US10099966B2 (en) | 2013-06-28 | 2018-10-16 | Saudi Basic Industries Corporation | Layered fertilizer composition |
| CN104447010A (en) * | 2014-12-08 | 2015-03-25 | 王意强 | Humic acid type functional blended fertilizer and preparation method thereof |
| CN104447009A (en) * | 2014-12-08 | 2015-03-25 | 王意强 | Humic acid type functional compound fertilizer and preparation method thereof |
| CN104447010B (en) * | 2014-12-08 | 2017-02-22 | 王意强 | Humic acid type functional blended fertilizer and preparation method thereof |
| CN104945097A (en) * | 2015-06-05 | 2015-09-30 | 明光市数智肥业有限公司 | Controlled release fertilizer synergist for stably improving corn yield and preparation method thereof |
| CN104945096A (en) * | 2015-06-05 | 2015-09-30 | 明光市数智肥业有限公司 | Slow-release fertilizer synergist for promoting corn root system absorption, and preparation method thereof |
| CN104945095A (en) * | 2015-06-05 | 2015-09-30 | 明光市数智肥业有限公司 | Controlled release fertilizer synergist for improving absorbing ability of corn and preparation method thereof |
| CN104945094A (en) * | 2015-06-05 | 2015-09-30 | 明光市数智肥业有限公司 | Controlled release fertilizer synergist for improving drought resistant ability of corn and preparation method thereof |
| CN105985176A (en) * | 2015-12-29 | 2016-10-05 | 芜湖润蓝生物科技有限公司 | Efficient fertilizer with additional modified citric acid for carrots and method for preparing efficient fertilizer |
| CN105859388A (en) * | 2016-03-31 | 2016-08-17 | 太仓市新联粮食生产专业合作社 | A slow-release compound fertilizer used for paddy rice planting and a preparing method thereof |
| CN105859387A (en) * | 2016-03-31 | 2016-08-17 | 太仓市新联粮食生产专业合作社 | A soil-improving slow-release compound fertilizer used for paddy rice planting and a preparing method thereof |
| CN105801320A (en) * | 2016-03-31 | 2016-07-27 | 太仓市新联粮食生产专业合作社 | Degradable environment-friendly coated slow release compound fertilizer for rice planting and preparation method thereof |
| CN105777364A (en) * | 2016-03-31 | 2016-07-20 | 太仓市新联粮食生产专业合作社 | Long-actingselenium-enriched coated slow-release compound fertilizer for rice planting and preparation method thereof |
| CN105777367A (en) * | 2016-03-31 | 2016-07-20 | 太仓市新联粮食生产专业合作社 | Long-acting environment-friendly coated slow release compound fertilizer used for planting oryza sativa and preparation method thereof |
| CN106187503A (en) * | 2016-07-18 | 2016-12-07 | 山东植丰农化集团有限公司 | A kind of N P and K microbial envelope fertilizer and preparation method thereof |
| CN108046885A (en) * | 2017-11-20 | 2018-05-18 | 烟台市烟农富邦肥料科技有限公司 | A kind of manufacturing method of rounded grain zinc boron potassic fertilizer |
| CN107805139A (en) * | 2017-12-01 | 2018-03-16 | 众德肥料（烟台）有限公司 | A kind of multifunctional and nutritional masking liquid and its production method |
| GB2571914A (en) * | 2018-02-13 | 2019-09-18 | Kemitel Ltd | A process for producing a fertiliser containing boron |
| CN112409110A (en) * | 2020-11-25 | 2021-02-26 | 安徽卓砺环保科技有限公司 | Special coating agent for bulk blending fertilizer and preparation method and application thereof |
| CN112645763A (en) * | 2020-12-31 | 2021-04-13 | 广东拉多美化肥有限公司 | Slow-release potassium humate fertilizer and preparation method thereof |
| CN114315468A (en) * | 2022-01-19 | 2022-04-12 | 烟台众德集团有限公司 | DMAP type slow-release fertilizer and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101362662B (en) | 2013-09-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101362662B (en) | Coating sustained-released disposable fertilizer | |
| CN100586903C (en) | Slow release long-acting organic inorganic complex blending fertilizer | |
| CN101948349B (en) | Preparation process for organic-inorganic compound fertilizer | |
| CN106316571A (en) | Biological type organic-inorganic compound fertilizer for improvement in saline land and preparation method thereof | |
| CN101717300B (en) | Chloride-based slow-release complex fertilizer and production process thereof | |
| CN103483110B (en) | Whole process is for nutrient compound manure and preparation method thereof | |
| CN101580444A (en) | Coated slow-release urea containing double inhibitors and preparation method thereof | |
| CN104761324A (en) | Production method of novel ureaformaldehyde slow-release nitrogen fertilizer and composite fertilizers of novel ureaformaldehyde slow-release nitrogen fertilizer | |
| CN102120711A (en) | Dual enzymes and double-enzyme serial fertilizer as well as application thereof in agriculture | |
| CN103936524A (en) | Method for producing urea formaldehyde controlled-release compound fertilizer | |
| CN111039716A (en) | Synergistic compound fertilizer special for wheat and preparation method thereof | |
| CN102276362B (en) | High-concentration compound fertilizer | |
| CN104529674A (en) | Special humic acid fertilizer for sweet potatoes and preparation method of special humic acid fertilizer | |
| CN103664369B (en) | A kind of synergy loss controlling fertilizer and preparation method thereof | |
| CN102992920B (en) | Granulating forming process of secondary element water soluble fertilizer | |
| CN105481555A (en) | Biological organic-inorganic loss-controlled fertilizer with core-shell structure | |
| CN106365778A (en) | High-strength compound fertilizer and preparation method of same | |
| CN102531758A (en) | Organic-inorganic sustained-release compound fertilizer applied at one time, and production method thereof | |
| CN103058753B (en) | Slow release compound fertilizer applicable to plantation of soybeans | |
| CN109485523A (en) | Microelement bio-feritlizer and preparation method in a kind of high activity organic multicomponent | |
| CN105646106A (en) | Humic acid type functionality organic-inorganic compound fertilizer and preparing method thereof | |
| CN106187386A (en) | A kind of Oryza sativa L. special selenourea slow-release compound fertilizer and production technology thereof | |
| CN106431612A (en) | Preparation method of controlled release fertilizer for aquatic crops | |
| CN101759495B (en) | Potassium sulfate slow-release compound and mixed fertilizer and preparation method thereof | |
| CN101830761B (en) | Controlled release fertilizer special for soilless culture of leaf vegetables and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: SHIJIAZHUANG ZHONGKE RESEARCH INSTITUTE OF COATED Effective date: 20120409 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 050021 Hebei city of Shijiazhuang Province Sports South Street No. 262 Fujin building block B room 1102 unit 1 Applicant after: Yan Zongbiao Co-applicant after: Shijiazhuang Zhongke Coating Fertilizer Institute Co-applicant after: AOJIA FERTILIZER Co.,Ltd. Address before: 050021 Hebei city of Shijiazhuang Province Sports South Street No. 262 Fujin building block B room 1102 unit 1 Applicant before: Yan Zongbiao |
|
| CB03 | Change of inventor or designer information |
Inventor after: Yan Zongbiao Inventor after: Qiao Sheng Inventor after: Feng Guangxiang Inventor after: Yan Tao Inventor after: Yan Kun Inventor before: Yan Zongbiao Inventor before: Qiao Sheng Inventor before: Yan Tao Inventor before: Yan Kun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: YAN ZONGBIAO QIAO SHENG YAN TAO YAN KUN TO: YAN ZONGBIAO QIAO SHENG FENG GUANGXIANG YAN TAO YAN KUN |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20120409 Address after: 050021 Hebei city of Shijiazhuang Province Sports South Street No. 262 Fujin building block B room 1102 unit 1 Applicant after: Yan Zongbiao Co-applicant after: Shijiazhuang Zhongke Coating Fertilizer Institute Co-applicant after: AOJIA FERTILIZER Co.,Ltd. Address before: 050021 Hebei city of Shijiazhuang Province Sports South Street No. 262 Fujin building block B room 1102 unit 1 Applicant before: Yan Zongbiao |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 |