CN108456122A - One cultivates peanut Special slow release fertilizer and its manufacturing method - Google Patents
One cultivates peanut Special slow release fertilizer and its manufacturing method Download PDFInfo
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- CN108456122A CN108456122A CN201810281060.3A CN201810281060A CN108456122A CN 108456122 A CN108456122 A CN 108456122A CN 201810281060 A CN201810281060 A CN 201810281060A CN 108456122 A CN108456122 A CN 108456122A
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- parts
- magnesium
- calcium
- slow release
- release fertilizer
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- 235000020232 peanut Nutrition 0.000 title claims abstract description 52
- 235000017060 Arachis glabrata Nutrition 0.000 title claims abstract description 51
- 235000010777 Arachis hypogaea Nutrition 0.000 title claims abstract description 51
- 235000018262 Arachis monticola Nutrition 0.000 title claims abstract description 51
- 239000003337 fertilizer Substances 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 241001553178 Arachis glabrata Species 0.000 title claims abstract 11
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000011777 magnesium Substances 0.000 claims abstract description 46
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 46
- 235000001055 magnesium Nutrition 0.000 claims abstract description 46
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 42
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000011575 calcium Substances 0.000 claims abstract description 41
- 235000001465 calcium Nutrition 0.000 claims abstract description 41
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 39
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 27
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000011574 phosphorus Substances 0.000 claims abstract description 26
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 20
- 229920000137 polyphosphoric acid Polymers 0.000 claims abstract description 18
- 235000016804 zinc Nutrition 0.000 claims abstract description 17
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims abstract description 16
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims abstract description 16
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004202 carbamide Substances 0.000 claims abstract description 13
- 235000013619 trace mineral Nutrition 0.000 claims abstract description 12
- 239000011573 trace mineral Substances 0.000 claims abstract description 12
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000004327 boric acid Substances 0.000 claims abstract description 11
- 239000004927 clay Substances 0.000 claims abstract description 11
- QGAVSDVURUSLQK-UHFFFAOYSA-N ammonium heptamolybdate Chemical compound N.N.N.N.N.N.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo] QGAVSDVURUSLQK-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- RNZCSKGULNFAMC-UHFFFAOYSA-L zinc;hydrogen sulfate;hydroxide Chemical compound O.[Zn+2].[O-]S([O-])(=O)=O RNZCSKGULNFAMC-UHFFFAOYSA-L 0.000 claims abstract description 10
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims abstract description 9
- 229910052939 potassium sulfate Inorganic materials 0.000 claims abstract description 9
- 235000011151 potassium sulphates Nutrition 0.000 claims abstract description 9
- 229940090496 Urease inhibitor Drugs 0.000 claims abstract description 8
- 235000002908 manganese Nutrition 0.000 claims abstract description 8
- 239000001103 potassium chloride Substances 0.000 claims abstract description 8
- 235000011164 potassium chloride Nutrition 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 8
- 239000002601 urease inhibitor Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 7
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims abstract description 5
- 229910000366 copper(II) sulfate Inorganic materials 0.000 claims abstract description 5
- 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 claims abstract description 4
- 235000000396 iron Nutrition 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 18
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 17
- 239000011591 potassium Substances 0.000 claims description 17
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000011701 zinc Substances 0.000 claims description 12
- 229910052725 zinc Inorganic materials 0.000 claims description 12
- 235000016768 molybdenum Nutrition 0.000 claims description 11
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims description 10
- 239000011733 molybdenum Substances 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 9
- 239000004021 humic acid Substances 0.000 claims description 9
- 239000011812 mixed powder Substances 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 239000000395 magnesium oxide Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000012141 concentrate Substances 0.000 claims description 6
- 239000011541 reaction mixture Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
- HEPPIYNOUFWEPP-UHFFFAOYSA-N n-diaminophosphinothioylbutan-1-amine Chemical compound CCCCNP(N)(N)=S HEPPIYNOUFWEPP-UHFFFAOYSA-N 0.000 claims description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 239000011572 manganese Substances 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 239000004132 Calcium polyphosphate Substances 0.000 claims description 2
- NJFMNPFATSYWHB-UHFFFAOYSA-N ac1l9hgr Chemical compound [Fe].[Fe] NJFMNPFATSYWHB-UHFFFAOYSA-N 0.000 claims description 2
- 235000019827 calcium polyphosphate Nutrition 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- -1 humate Substances 0.000 claims description 2
- 239000005416 organic matter Substances 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims 1
- FWFGVMYFCODZRD-UHFFFAOYSA-N oxidanium;hydrogen sulfate Chemical compound O.OS(O)(=O)=O FWFGVMYFCODZRD-UHFFFAOYSA-N 0.000 claims 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 abstract description 2
- 229910001424 calcium ion Inorganic materials 0.000 abstract description 2
- 238000002386 leaching Methods 0.000 abstract description 2
- 229910001425 magnesium ion Inorganic materials 0.000 abstract description 2
- 239000002686 phosphate fertilizer Substances 0.000 abstract description 2
- 244000105624 Arachis hypogaea Species 0.000 description 41
- 238000012545 processing Methods 0.000 description 29
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 22
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 12
- 235000011007 phosphoric acid Nutrition 0.000 description 12
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- 239000003895 organic fertilizer Substances 0.000 description 8
- 239000002689 soil Substances 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 6
- UUVBYOGFRMMMQL-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca].OP(O)(O)=O UUVBYOGFRMMMQL-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 235000013399 edible fruits Nutrition 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 4
- 239000000618 nitrogen fertilizer Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000004114 Ammonium polyphosphate Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 235000019826 ammonium polyphosphate Nutrition 0.000 description 3
- 229920001276 ammonium polyphosphate Polymers 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 239000000292 calcium oxide Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- 238000013270 controlled release Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 230000002459 sustained effect Effects 0.000 description 3
- 206010006956 Calcium deficiency Diseases 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 2
- 208000008167 Magnesium Deficiency Diseases 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004720 fertilization Effects 0.000 description 2
- 235000004764 magnesium deficiency Nutrition 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 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 2
- 239000003921 oil Substances 0.000 description 2
- 125000004646 sulfenyl group Chemical group S(*)* 0.000 description 2
- 238000013268 sustained release Methods 0.000 description 2
- 239000012730 sustained-release form Substances 0.000 description 2
- 244000223760 Cinnamomum zeylanicum Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000035240 Disease Resistance Diseases 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 description 1
- 102000004160 Phosphoric Monoester Hydrolases Human genes 0.000 description 1
- 108090000608 Phosphoric Monoester Hydrolases Proteins 0.000 description 1
- 208000006399 Premature Obstetric Labor Diseases 0.000 description 1
- 206010036600 Premature labour Diseases 0.000 description 1
- 241000589180 Rhizobium Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 230000003698 anagen phase Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- KMQAPZBMEMMKSS-UHFFFAOYSA-K calcium;magnesium;phosphate Chemical compound [Mg+2].[Ca+2].[O-]P([O-])([O-])=O KMQAPZBMEMMKSS-UHFFFAOYSA-K 0.000 description 1
- 230000023852 carbohydrate metabolic process Effects 0.000 description 1
- 235000021256 carbohydrate metabolism Nutrition 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 229930002875 chlorophyll Natural products 0.000 description 1
- 235000019804 chlorophyll Nutrition 0.000 description 1
- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 description 1
- 235000017803 cinnamon Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 210000001161 mammalian embryo Anatomy 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000019837 monoammonium phosphate Nutrition 0.000 description 1
- 239000006012 monoammonium phosphate Substances 0.000 description 1
- 238000009335 monocropping Methods 0.000 description 1
- 239000002362 mulch Substances 0.000 description 1
- 235000021049 nutrient content Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 235000002949 phytic acid Nutrition 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 description 1
- 229910001950 potassium oxide Inorganic materials 0.000 description 1
- 208000026440 premature labor Diseases 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000010496 root system development Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009333 weeding Methods 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
It cultivates peanut Special slow release fertilizer and its manufacturing method the present invention relates to one, which includes the raw material composition of following mass parts：33 35 parts of urea, 23 25 parts of polyphosphoric acid calcium and magnesium, 29 32 parts of 24 27 parts of potassium chloride or potassium sulfate, 10 13 parts of clay, 0.5 2 parts of humate, 0.2 0.4 parts of urease inhibitor, 12 parts of composite trace element, the composite trace element are EDTA Chelated Manganeses, EDTA chelated zincs, EDTA chelated irons, boric acid, ammonium heptamolybdate, ferrous sulfate heptahydrate, monohydrate zinc sulphate or/and anhydrous cupric sulfate.The polyphosphoric acid calcium and magnesium of the present invention is from phosphorus tailing and phosphoric acid by wet process polymerisation, aggregate rate >=75% of phosphoric acid therein, therefore wherein P elements have the function of the slow economic benefits and social benefits of speed, can meet the needs of middle and later periods is to phosphate fertilizer before crop, in addition polyphosphoric acid has certain adsorptivity to calcium, magnesium, so that calcium and magnesium ion is not fixed easily or leaching loss, to meet crop to calcium, magnesium demand.
Description
Technical field
The present invention relates to fertilizer preparation field, more particularly to one cultivate peanut it is slow-release fertilizer dedicated and preparation method thereof.
Background technology
Peanut is one of Chinese tradition oil crops, wide on China Shandong, Henan, Liaoning, Guangdong, Hebei, Fujian and other places
General plantation.Peanut contains abundant oil plant and protein, full of nutrition, widely used, is the important industrial crops in China, in state
There is very important status in people's economy.
In the entire growing process of peanut, need constantly from the big-and-middle amount member such as extraneous absorbed nitrogen, phosphorus, potassium, calcium, magnesium, sulphur
Element and iron, molybdenum, boron, zinc, copper, manganese etc. are micro-.Wherein in addition to 70%~80% nitrogen is supplied by rhizobium, remaining is all
It is derived from soil.100 kilograms of peanut pods are often produced to need to absorb nitrogen 4.5-6kg, phosphorus element 0.8-1.3kg, potassium 3-4.5kg,
Calcium 1.3-1.9kg, iron 0.16kg, silicon 1.5kg.It is about 5.5 that N P and K, which inhales fertile ratio,：1.5：2.6.Peanut entire breeding time is to nitrogen
Absorption both ends it is more, centre is few；Absorption to phosphorus is that both ends are few, intermediate more；It is most with the knit stitch phase of blooming to the absorption of potassium, it bears pods
Phase takes second place, and fruiting period of satisfying is less.In addition, peanut is in great demand to calcium, calcium is not only advantageous to root system development, accelerates the generation of nitrogen
The effect of thanking also helps the formation of pod and full, reduction ghost fruit, improves setting ratio, while sweetening of the soil acidity, enhancing flower
The raw resistance to pest and disease damage.Magnesium is the component of peanut Determination of Chlorophyll and phytate, and phosphatase and glucose can be promoted to turn
The activation for changing enzyme, plays an important role in carbohydrate metabolism.In addition to this, peanut is to requirements such as boron, molybdenum, iron, manganese, sulphur
Urgently, reaction is sensitive.
The acidproof salt tolerant of peanut, pH is preferably 6.0-6.5.And in acid soil, the elements such as calcium, magnesium are in free state, can
Exchangeable calcium, magnesium are largely lost.Calcium deficiency is easy to cause peanut ghost, decayed fruit and black embryo phenomenon, and then top vane vein loses magnesium deficiency
Green, cane is downgraded, and serious magnesium deficiency can cause plant dead.But when content of magnesium is excessively high, can also calcium content be made to reduce, increase inane fruit.
The widely used plastic mulching cultivation technology in the northern China peanut place of production can resist low temperature and spring drought well, promote
Development of Peanut improves peanut quality and increases substantially premature labor.However, covering mulch can bring peanut top dressing much not
Just.Slow release fertilizer has the spy that nutrients release is slow, crop absorbs more, plant recovery of nutrient height and simplified labour program, time and labour saving
Point, therefore, exploitation one are cultivated peanut Special slow release fertilizer, can not only solve the problems, such as film covering peanut top dressing difficulty, moreover it is possible to effectively reduce fertilizer
Loss, avoid waste of resource.
There are many patent documents to report fertilizer special for peanuts, such as：Chinese patent document CN101121619A is provided
A kind of special charcoal-base slow release fertilizer for peanut and preparation method thereof, includes the raw material of following weight fraction：Corn cob granule charcoal is micro-
300 kgs/tonne of grain, 130 kgs/tonne of ammonium sulfate, 220 kgs/tonne of monoammonium phosphate, 10 kgs/tonne of zinc sulfate, potassium sulfate 100 are public
Jin/ton, 150 kgs/tonne of potassium chloride, 20 kgs/tonne of borax.The fertilizer is conducive to save fertilising cost and energy consumption, single-dose application,
It is economic and environment-friendly.Disadvantage is that：Without trace element in calcium, magnesium, iron etc. necessary to peanut growth, still can not solve
Defect caused by the elements such as above-mentioned calcium deficiency, magnesium.It is special that Chinese patent document CN103232294A provides a kind of long-acting nitrogen peanut
Fertilizer formula, the weight fraction of each constituent is respectively common nitrogenous fertilizer 35-38% in formula, 60 days Controlled Release Fertilizer 25-28%, 90 days
Controlled Release Fertilizer 20-23%, 120 days Controlled Release Fertilizer 15-18%.The characteristics of demand of nitrogenous fertilizer is held according in Development of Peanut process
Continuous, stable, on-demand supply.But the fertilizer mainly controls nitrogen, to control phosphorus element and improves the activity aspect of phosphorus not
It appears in the newspapers.
Invention content
To make up the deficiencies in the prior art, the present invention provides one and cultivates peanut Special slow release fertilizer and its manufacturing method.
Term explanation：
Product available phosphorus, effective magnesium, the effective calcium of the present invention refers to passing through EDTA under the alkaline condition of pH value 12-13
Extractible phosphorus is (with P2O5Meter), magnesium, calcium content.
The product aggregate rate of the present invention refers to product available phosphorus (with P2O5Meter) orthophosphoric acid is subtracted (with P2O5Meter) afterwards with effectively
The percentage of phosphorus.
Technical scheme is as follows：
One cultivates peanut Special slow release fertilizer, includes the raw material composition of following mass parts：
33-35 parts of urea,
23-25 parts of polyphosphoric acid calcium and magnesium,
29-32 parts of 24-27 parts of potassium chloride or potassium sulfate,
10-13 parts of clay,
0.5-2 parts of humate,
0.2-0.4 parts of urease inhibitor,
1-2 parts of composite trace element,
The composite trace element is EDTA Chelated Manganeses, EDTA chelated zincs, EDTA chelated irons, boric acid, ammonium heptamolybdate, seven water
Ferrous sulfate, monohydrate zinc sulphate or/and anhydrous cupric sulfate.
, according to the invention it is preferred to, by percentage to the quality, nitrogen content >=46.2% in the urea.
, according to the invention it is preferred to, by percentage to the quality, in the polyphosphoric acid calcium and magnesium：Available phosphorus 50-62%, have
Imitate magnesium 5-13%, effective calcium 10%-18%, phosphoric acid polymerization rate >=75%；
It is further preferred that available phosphorus 57-60%, effective magnesium 9-13%, effective calcium 15-17%, phosphoric acid polymerization rate >=
80%.
, according to the invention it is preferred to, the polyphosphoric acid calcium and magnesium is prepared as follows to obtain：
(1) by phosphorus tailing and phosphoric acid according to mass ratio 1:4-6 hybrid reaction 1-3h at normal temperatures, obtain reaction mixture；
(2) above-mentioned reaction mixture is concentrated to slurry water quality content at 60-100 DEG C of temperature, pressure 10-90kPa
35-45% obtains concentrate；
(3) above-mentioned gained concentrate is reacted at 300-600 DEG C, phosphoric acid is (with P in detection reactor product2O5) polymerization
When rate >=75%, stops reaction, obtain calcium polyphosphate magnesium products.
According to the preparation method of polyphosphoric acid calcium and magnesium of the present invention, it is preferred that contain P in the phosphorus tailing described in step (1)2O5Matter
It is 15-19% that amount score, which is 4-7%, MgO mass fraction,；The preferred phosphoric acid by wet process of the phosphoric acid, wherein P in phosphoric acid by wet process2O5's
Mass content is preferred 20%-30%.
, according to the invention it is preferred to, potassium content >=60% in the potassium chloride；
Potassium content >=51% in the potassium sulfate；
The above-mentioned content of the present invention is mass content；Wherein nitrogen content is in terms of nitrogen, and phosphorus content is with P2O5Meter, potassium content
In terms of potassium oxide, calcium content is in terms of calcium oxide, and content of magnesium is in terms of magnesia.
, according to the invention it is preferred to, the urease inhibitor is quinhydrones or/and N-(n-butyl) thiophosphoric triamide.
, according to the invention it is preferred to, in composite trace element：EDTA Chelated Manganeses contain manganese >=13%；
EDTA chelated zincs contain zinc >=15%；
EDTA chelated iron iron content >=13%；
Boric acid boracic >=17%；
Ammonium heptamolybdate contains molybdenum >=54%；
Ferrous sulfate heptahydrate iron content >=20%；
Monohydrate zinc sulphate contains zinc >=33%；
Anhydrous cupric sulfate cupric >=40%；It is mass percentage.
, according to the invention it is preferred to, the preferred humic acid potassium of the humate and/or ammonium humate, wherein rotten salt of planting has
Mass content >=50% of machine matter.
According to the present invention, the manufacturing method of above-mentioned peanut Special slow release fertilizer, including steps are as follows：
(i) clay, humate, urease inhibitor and composite trace element are uniformly mixed to obtain component A；
(ii) component A and urea, polyphosphoric acid calcium and magnesium, potassium chloride or potassium sulfate are mixed in proportion, and is ground to 30-
80 mesh obtain mixed-powder, and granulation, drying after the moisture of mixed-powder mass content 2-3% are then added into mixed-powder
Obtain peanut Special slow release fertilizer.
The beneficial effects of the invention are as follows：
1, product of the present invention is matched by the urea and urease inhibitor of proper ratio, can make nitrogenous fertilizer acquisition time more
It lengthens long, disclosure satisfy that demand of the middle and later periods to nitrogenous fertilizer before crop.
2, polyphosphoric acid calcium and magnesium of the invention is from phosphorus tailing and phosphoric acid by wet process polymerisation, the aggregate rate of phosphoric acid therein
>=75%, therefore wherein P elements have the function of the slow economic benefits and social benefits of speed, can meet the needs of middle and later periods is to phosphate fertilizer before crop, in addition
Polyphosphoric acid has certain adsorptivity to calcium, magnesium so that calcium and magnesium ion is not fixed easily or leaching loss, to meet crop pair
Calcium, magnesium demand.
3, the present invention is added to the trace elements such as zinc, manganese, boron, molybdenum, iron necessary to plant growth, can increase crop photosynthesis work
With, improve the activity of enzyme, enhancing root of the crop, stem, leaf disease resistance, and then improve the yield and quality of crop.
4, present invention addition activation mineral sources humic acid can improve soil texture, stimulation Peanut Root System is grown, enhancing peanut
Resistance and improving quality have certain preventive and therapeutic effect for peanut continuous cropping disease.
Specific implementation mode
The present invention will be further described in detail with reference to the specific embodiments.
" % " is mass percent unless otherwise specified in embodiment.
Polyphosphoric acid calcium and magnesium used is prepared as follows to obtain in embodiment：
Phosphoric acid by wet process：w(P2O5) 25.39%, w (MgO) 1.23%, w (CaO) 0.15%
Phosphorus tailing：w(P2O5) 6.18%, w (MgO) 15.23%, w (CaO) 34.32%
(1) by hybrid reaction 2h under 100kg phosphorus tailing and 480kg phosphoric acid in the reactor room temperature, reaction mixture is obtained；
(2) by above-mentioned reaction mixture at 80 DEG C, 30kp is concentrated to the concentrate of water content 44-45%.
(3) above-mentioned gained concentrate at 450 DEG C is calcined into 2.5h, calcium phosphate magnesium products can be obtained after grinding.
The results are shown in Table 1 for the product analysis of polyphosphoric acid calcium and magnesium：
Table 1
| Available phosphorus | Effective magnesium | Effective calcium | Aggregate rate |
| 59.5% | 10.2% | 15.5% | 82% |
Embodiment 1
One cultivates peanut Special slow release fertilizer, includes the raw material of following parts by weight：35 parts of urea, 25 parts of phosphoric acid calcium and magnesium, chlorination
26 parts of potassium, 10 parts of clay, 1 part of humic acid potassium, 0.2 part of quinhydrones, 0.5 part of monohydrate zinc sulphate (containing zinc >=33%), ammonium heptamolybdate (contain
Molybdenum >=54%) 0.5 part, 0.5 part of boric acid (boracic >=17%).
Preparation method includes the following steps：
(1) claim 10 parts of clay, 1 part of humic acid potassium, 0.2 part of quinhydrones, 0.5 part of monohydrate zinc sulphate, seven molybdenums respectively by weight
0.5 part of sour ammonium, 0.5 part of boric acid are uniformly mixed and obtain component A.
(2) 35 parts of urea, 25 parts of phosphoric acid calcium and magnesium, 26 parts of potassium chloride and component A is weighed respectively by weight to be uniformly mixed, and
It is ground to 60-70 mesh, 2 parts of moisture are then added into mixed-powder, are then granulated, drying can must be sustained fertilizer specially for peanut.
The product specification that the present embodiment obtains is N-P2O5—K2O(16.3-15.0-15.8)。
Embodiment 2
A kind of sustained release fertilizer specially for peanut, includes the raw material of following parts by weight：34 parts of urea, 24 parts of phosphoric acid calcium and magnesium, sulfuric acid
30 parts of potassium, 12 parts of clay, 0.5 part of ammonium humate, 0.3 part of N-(n-butyl) thiophosphoric triamide, monohydrate zinc sulphate (containing zinc >=33%)
0.4 part, 0.4 part of ammonium heptamolybdate (containing molybdenum >=54%), boric acid (boracic) >=17%0.4 part.
Preparation method includes the following steps：
(1) claim 12 parts of clay, 0.5 part of humic acid, 0.3 part of N-(n-butyl) thiophosphoric triamide, a water sulphur respectively by weight
Sour 0.4 part of zinc (containing zinc >=33%), 0.4 part of ammonium heptamolybdate (containing molybdenum >=54%), boric acid (boracic) >=17%0.4 part.
(2) 34 parts of urea, 24 parts of phosphoric acid calcium and magnesium, 30 parts of potassium sulfate and component A is weighed respectively by weight to be uniformly mixed, and
It is ground to 40-50 mesh, 2 parts of moisture are then added into mixed-powder, are then granulated, drying can must be sustained fertilizer specially for peanut.
The product specification that the present embodiment obtains is N-P2O5—K2O(15.4-14-15)。
Embodiment 3
A kind of sustained release fertilizer specially for peanut, includes the raw material of following parts by weight：33 parts of urea, 23 parts of phosphoric acid calcium and magnesium, sulfuric acid
32 parts of potassium, 13 parts of clay, 2 parts of humic acid potassium, 0.4 part of quinhydrones, 0.6 part of monohydrate zinc sulphate (containing zinc >=33%), ammonium heptamolybdate (contain
Molybdenum >=54%) 0.6 part, 0.6 part of boric acid (boracic >=17%).
Preparation method includes the following steps：
(1) by weight respectively claim 13 parts of clay, 2 parts of humic acid potassium, 0.4 part of quinhydrones, monohydrate zinc sulphate (containing zinc >=
33%) 0.6 part, 0.6 part of ammonium heptamolybdate (containing molybdenum >=54%), 0.6 part of boric acid (boracic >=17%).
(2) 33 parts of urea, 23 parts of phosphoric acid calcium and magnesium, 32 parts of potassium sulfate and component A is weighed respectively by weight to be uniformly mixed, and
It is ground to 50-60 mesh, 3 parts of moisture are then added into mixed-powder, are then granulated, drying can must be sustained fertilizer specially for peanut.
The product specification that the present embodiment obtains is N-P2O5—K2O(14.5-13-15.5)。
Comparative example 1：As described in Example 3, it is added without humic acid potassium unlike, it is other same as Example 3.
Comparative example 2：As described in Example 3, it is added without quinhydrones unlike, it is other same as Example 3.
Comparative example 3：As described in implementing 3, the difference is that changing polyphosphoric acid calcium and magnesium into ammonium polyphosphate (11-44-0), Qi Tayu
Embodiment 3 is identical.
Test example
Manure trial
Test address：The Shandong Province towns Junan County Fang Qian.
Test soil nutrient：Soil types is cinnamon soil, and soil nutrient content is organic matter 0.92%, alkali-hydrolyzable nitrogen 27.9mg/
Kg, rapid available phosphorus 11.6mg/Kg, available potassium 33.7mg/Kg.
For trying peanut varieties：Mountain flower No. 9.
Test process：Peanut experiment sets 6 processing altogether, each handles 3 repetitions, random district's groups arrangement.Covering with ground sheeting.
Processing 1：Habits fertilization, 50 kilograms of base organic fertilizer per acre, commercially available 50 kilograms of 15-15-15 sulfenyls fertilizer, the later stage is not
Top dressing.
Processing 2：50 kilograms of base organic fertilizer per acre, 50 kilograms of commercially available 15-15-15 sulfenyls fertilizer and commercially available epsom salt
(MgO >=16%) 7kg and commercially available calcium nitrate (N11%, CaO23%) 14.7kg.
Processing 3：50 kilograms of base organic fertilizer per acre, 50 kilograms of special fertilizer (16.3-15.0-15.8) prepared by embodiment 1,
Later stage not top dressing.
Processing 4：50 kilograms of base organic fertilizer per acre, 50 kilograms of special fertilizer (15.4-14-15) prepared by embodiment 2, later stage
Not top dressing.
Processing 5：50 kilograms of base organic fertilizer per acre, 50 kilograms of special fertilizer (14.5-13-15.5) prepared by embodiment 3, after
Phase not top dressing.
Processing 6：50 kilograms of base organic fertilizer per acre, 50 kilograms of special fertilizer (14.7-13.2-15.8) prepared by comparative example 1,
Later stage not top dressing.
Processing 7：50 kilograms of base organic fertilizer per acre, 50 kilograms of special fertilizer (14.5-13-15.5) prepared by comparative example 2, after
Phase not top dressing.
Processing 8：50 kilograms of base organic fertilizer per acre, comparative example 3 prepare 50 kilograms of special fertilizer, 3.9kg ammonium polyphosphate and
Commercially available epsom salt (MgO >=16%) 7kg and commercially available calcium nitrate (N11%, CaO23%) 14.7kg, later stage not top dressing.
Other field management measures such as irrigation, weeding, prevention and control of plant diseases, pest control are consistent between each processing, measured in the peanut growth phase each
Plant height is handled, when harvest measures each processing all kinds of fruits quality, hundred benevolence quality, kernel percent, yield respectively, and the results are shown in Table 2.
Table 2：Measure the peanut all kinds of fruits quality, hundred benevolence quality, yield of each processing
| Processing | All kinds of fruits quality (g) | Hundred benevolence quality (g) | Yield (kg/ mus) | Than 1 volume increase of processing |
| Processing 1 | 158.2 | 65.1 | 187 | - |
| Processing 2 | 156.4 | 69.4 | 195 | 4.28% |
| Processing 3 | 176.9 | 77.9 | 217 | 16.04% |
| Processing 4 | 171.3 | 75.8 | 210 | 12.30% |
| Processing 5 | 177.7 | 78.6 | 218 | 16.58% |
| Processing 6 | 165.6 | 79.2 | 203 | 8.56% |
| Processing 7 | 163.2 | 72.3 | 201 | 7.49% |
| Processing 8 | 171.0 | 75.5 | 209 | 11.76% |
It can be seen from Table 2 that processing 3,4,5 is more apparent than 1 volume increase of processing, illustrate that the one of the present invention cultivates peanut special slow release
Fertilizer product has good effect of increasing production compared with traditional fertilization, in addition handles 5 and increases production 8.02% than processing more than 6, illustrates rotten plant
There is hydrochlorate remarkable result, processing 5 to increase production 9.09% than processing more than 7 in this formula, and it is aobvious to illustrate that quinhydrones has in this formula
The effect of increasing production of work, processing 5 increase production 4.82% than processing more than 8, illustrate that polyphosphoric acid calcium and magnesium adds calcium, fertiliser containing magnesium to have more than ammonium polyphosphate
Good effect of increasing production.
Claims (9)
1. Special slow release fertilizer of cultivating peanut, which is characterized in that the slow-release fertilizer includes the raw material composition of following mass parts：
33-35 parts of urea,
23-25 parts of polyphosphoric acid calcium and magnesium,
29-32 parts of 24-27 parts of potassium chloride or potassium sulfate,
10-13 parts of clay,
0.5-2 parts of humate,
0.2-0.4 parts of urease inhibitor,
1-2 parts of composite trace element,
The composite trace element is EDTA Chelated Manganeses, EDTA chelated zincs, EDTA chelated irons, boric acid, ammonium heptamolybdate, seven water sulfuric acid
Ferrous, monohydrate zinc sulphate or/and anhydrous cupric sulfate.
2. peanut Special slow release fertilizer according to claim 1, which is characterized in that by percentage to the quality, the poly- phosphorus
In sour calcium and magnesium：Available phosphorus 50-62%, effective magnesium 5-13%, effective calcium 10%-18%, phosphoric acid polymerization rate >=75%.
3. peanut Special slow release fertilizer according to claim 2, which is characterized in that by percentage to the quality, the poly- phosphorus
In sour calcium and magnesium：Available phosphorus 57-60%, effective magnesium 9-13%, effective calcium 15-17%, phosphoric acid polymerization rate >=80%.
4. peanut Special slow release fertilizer according to claim 1, which is characterized in that the polyphosphoric acid calcium and magnesium is as follows
It is prepared：
(1) by phosphorus tailing and phosphoric acid according to mass ratio 1:4-6 hybrid reaction 1-3h at normal temperatures, obtain reaction mixture；
(2) above-mentioned reaction mixture is concentrated to slurry water quality content 35- at 60-100 DEG C of temperature, pressure 10-90kPa
45% obtains concentrate；
(3) above-mentioned gained concentrate is reacted at 300-600 DEG C, phosphoric acid is (with P in detection reactor product2O5) aggregate rate >=
When 75%, stops reaction, obtain calcium polyphosphate magnesium products.
5. peanut Special slow release fertilizer according to claim 4, which is characterized in that in the preparation process (1) of polyphosphoric acid calcium and magnesium
Contain P in the phosphorus tailing2O5Mass fraction is that 4-7%, MgO mass fraction are 15-19%；The phosphoric acid is phosphoric acid by wet process,
Wherein P in phosphoric acid by wet process2O5Mass content be 20%-30%.
6. peanut Special slow release fertilizer according to claim 1, which is characterized in that the urease inhibitor be quinhydrones or/and
N-(n-butyl) thiophosphoric triamide.
7. peanut Special slow release fertilizer according to claim 1, which is characterized in that in composite trace element：EDTA Chelated Manganeses
Containing manganese >=13%；
EDTA chelated zincs contain zinc >=15%；
EDTA chelated iron iron content >=13%；
Boric acid boracic >=17%；
Ammonium heptamolybdate contains molybdenum >=54%；
Ferrous sulfate heptahydrate iron content >=20%；
Monohydrate zinc sulphate contains zinc >=33%；
Anhydrous cupric sulfate cupric >=40%；It is mass percentage.
8. peanut Special slow release fertilizer according to claim 1, which is characterized in that the humate be humic acid potassium and/
Or ammonium humate, wherein rotten mass content >=50% for planting salt organic matter.
9. the manufacturing method of any one of the claim 1-8 peanut Special slow release fertilizers, including steps are as follows：
(i) clay, humate, urease inhibitor and composite trace element are uniformly mixed to obtain component A；
(ii) component A and urea, polyphosphoric acid calcium and magnesium, potassium chloride or potassium sulfate are mixed in proportion, and is ground to 30-80 mesh
Mixed-powder, be then added into mixed-powder after the moisture of mixed-powder mass content 2-3% be granulated, drying can obtain it is colored
Raw Special slow release fertilizer.
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| Publication number | Publication date |
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| CN108456122B (en) | 2021-05-25 |
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