CN105294279A - Attapulgite mixing fertilizer having slow release effect - Google Patents
Attapulgite mixing fertilizer having slow release effect Download PDFInfo
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- CN105294279A CN105294279A CN201510798221.2A CN201510798221A CN105294279A CN 105294279 A CN105294279 A CN 105294279A CN 201510798221 A CN201510798221 A CN 201510798221A CN 105294279 A CN105294279 A CN 105294279A
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- attapulgite
- soil
- slow release
- fertilizer
- release effect
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- 229910052625 palygorskite Inorganic materials 0.000 title claims abstract description 97
- 229960000892 attapulgite Drugs 0.000 title claims abstract description 96
- 239000003337 fertilizer Substances 0.000 title claims abstract description 31
- 230000000694 effects Effects 0.000 title claims abstract description 20
- 238000012216 screening Methods 0.000 claims description 21
- 239000004927 clay Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 15
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 15
- 239000004202 carbamide Substances 0.000 claims description 15
- 239000001117 sulphuric acid Substances 0.000 claims description 15
- 235000011149 sulphuric acid Nutrition 0.000 claims description 15
- 239000002734 clay mineral Substances 0.000 claims description 14
- 239000005696 Diammonium phosphate Substances 0.000 claims description 12
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 12
- 229910000388 diammonium phosphate Inorganic materials 0.000 claims description 12
- 235000019838 diammonium phosphate Nutrition 0.000 claims description 12
- 230000020477 pH reduction Effects 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 20
- 239000000126 substance Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 201000010099 disease Diseases 0.000 abstract description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 2
- 230000009881 electrostatic interaction Effects 0.000 abstract description 2
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 2
- 238000005342 ion exchange Methods 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 abstract description 2
- 241000238631 Hexapoda Species 0.000 abstract 1
- 238000006555 catalytic reaction Methods 0.000 abstract 1
- 238000010668 complexation reaction Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 230000035764 nutrition Effects 0.000 abstract 1
- 235000016709 nutrition Nutrition 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 10
- 229910052500 inorganic mineral Inorganic materials 0.000 description 7
- 239000011707 mineral Substances 0.000 description 7
- 235000010755 mineral Nutrition 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000002041 carbon nanotube Substances 0.000 description 4
- 229910021393 carbon nanotube Inorganic materials 0.000 description 4
- 235000002566 Capsicum Nutrition 0.000 description 3
- 239000006002 Pepper Substances 0.000 description 3
- 241000722363 Piper Species 0.000 description 3
- 235000016761 Piper aduncum Nutrition 0.000 description 3
- 235000017804 Piper guineense Nutrition 0.000 description 3
- 235000008184 Piper nigrum Nutrition 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000005341 cation exchange Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 230000000050 nutritive effect Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000002568 Capsicum frutescens Nutrition 0.000 description 1
- 208000017667 Chronic Disease Diseases 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 241000270666 Testudines Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002090 nanochannel Substances 0.000 description 1
- 235000015816 nutrient absorption Nutrition 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002676 xenobiotic agent Substances 0.000 description 1
- 230000002034 xenobiotic effect Effects 0.000 description 1
Landscapes
- Fertilizers (AREA)
Abstract
The invention belongs to the technical field of a fertilizer, and concretely relates to an attapulgite mixing fertilizer having slow release effect, the attapulgite mixing fertilizer is prepared by using attapulgite ore. The attapulgite can use own surface activity, adsorptivity, catalysis performance, filtering effect, ion exchange effect, complexation effect and electrostatic interaction, a soil pH value can be adjusted by two items, and attapulgite can provides appropriate growth environment for crops. The attapulgite can change physical and chemical properties of the soil, reduces soil unit weight, promotes formation of a soil gel state, enhances soil permeability, absorbs harmful heavy metals in the soil, and inhibits insect disease; beneficial elements in the soil can be converted through chelating effect, nutrition balance is reached, crops growth is cooperated, output is increased, and agricultural product quality is improved.
Description
Technical field
The invention belongs to technical field of fertilizers, be specifically related to a kind of Attapulgite mixed fertilizer with slow release effect utilizing Attapulgite Clay Minerals to prepare.
Background technology
Along with the fast development of China's modern intensive agricultural, use inorganic fertilizer in a large number unreasonably for a long time, destroy agricultural land soil structure gradually, change the physico-chemical property of soil, cause soil compaction and degeneration, the effect of increasing production of chemical fertilizer is more and more not obvious, thus cause the yield and quality of farm crop to decline, xenobiotic pollutants can enter animal and human's body by the circulation of water body, air and food chain, thus the health of harm people and animals, cause cancer or chronic disease etc.
Features of Attapulgite Minerals is various places all over the world almost, and many attapulgite ore deposits point is verified on the ground such as China Gansu, Jiangsu, Anhui, and output is stared at tire with Jiangsu and ranked first.The attapulgite reserves now having verified Gansu, up to more than 1,000,000,000 tons, put more than 50% of global reserves.Although the resource reserve of China's attapulgite is very large, but it is more late due to what find, its development of exploitation level is lower, add that national nonmetalliferous ore processing industry basis is relatively weak, the attapulgite products that can produce compares also suitable lacking with other country, so that make the application of the great mineral reserve of this economic implications also be only limited to general filler, even export at an easy rate with the form of original soil, cause the waste of resource.Utilize attapulgite to produce fertilizer synergist, the Attapulgite resource that China Gansu province is abundant can be made full use of, also for development green ecological agricultural provides fertilizer guarantee.
Summary of the invention
The invention provides and a kind ofly can improve soil quality, with low cost, respond well, environmental friendliness, the Attapulgite mixed fertilizer that has wide range of applications.
The technical solution adopted for the present invention to solve the technical problems is:
There is an Attapulgite mixed fertilizer for slow release effect, comprise following preparation process:
A, crushing raw ore
Attapulgite Clay Minerals is broken, broken order number 30 order-60 order;
B, acidification
The vitriol oil adding massfraction 98% in water is mixed with the sulphuric acid soln of volumetric molar concentration 1 ~ 3mol/L, and add sulphuric acid soln in Attapulgite Clay Minerals broken in step, acidification makes attapulgite clay in 4 hours;
C, airing screening
Attapulgite clay after acidifying is carried out airing, and airing makes attapulgite clay water ratio be down to 15%, then pulverizes, and carries out screening and obtain attapulgite, and mesh size is 100-150 order;
D, to bake
Attapulgite after screening is sent into stoving oven and carries out roasting, maturing temperature controls at 300-360 DEG C, roasting time 45-120 minute;
E, fertilizer preparation
Mix by weight, diammonium phosphate or urea mix with attapulgite.
The vitriol oil adding massfraction 98% in described step B in water is mixed with the sulphuric acid soln of volumetric molar concentration 2mol/L.
In described step C, the attapulgite after screening is sent into stoving oven and carry out roasting, maturing temperature controls at 360 DEG C, roasting time 60 minutes;
Described attapulgite is sent into tablets press and is carried out granulation process, and particle diameter is 2.5 ~ 3.5 millimeters.
Application of phosphoric acid two ammonium or urea in described step e, diammonium phosphate amount of application 100-200 thousand grams/acre, urea amount of application 40-80 thousand grams/acre, attapulgite amount of application 100-150 thousand grams/acre.
Beneficial effect of the present invention is:
The present invention's Attapulgite (attapulgite) used has another name called polygorskite (palygorskite), refer to attapulgite be chief component a kind of have unique layer chain-like structure containing Shuifu County's magnesium silicate clay mineral, it is all quite similar with CNT (carbon nano-tube) on size, shape and structure construction, the brilliant diameter of rod only tens to tens nanometers, very fine and smooth, be natural nano nonmetallic mineral material.These mineral are earthy, compact mass, originate in sedimentogeneous rock and weathering crust, and color is in white, canescence, Steel Gray, greyish-green or weak tiffany light, and soil property is fine and smooth, and have oily soapy, light weight, property are crisp, and fracture is conchoidal, and water-absorbent is strong; Tool viscosity and plasticity-time wet, dry post shrinkage is little, and water soaking collapses loose, and suspension meets ionogen not flocculation sediment.It has the attribute of nano material, all quite similar with CNT (carbon nano-tube) on size, shape and structure construction, is the natural nano structure mineral material with nanochannel structure.Because they have very strong colloidal property, absorption property, rheological property, catalytic performance, and very large specific surface area and certain cation exchange property, be therefore widely used as sorbent material, support of the catalyst and carrier etc.In addition, attapulgite is also widely used in the numerous areas such as environment protection, high-tech agricultural, life and health guarantee.These mineral are rich in the various trace elements such as teleorganic iodine, selenium, iron, platinum, silicon, calcium, magnesium, potassium.Therefore, attapulgite is in the world except Chilean iodine nitre, the only solid mineral being rich in iodine of another example.The silicon content of attapulgite reaches more than 40%, it has colloidal property simultaneously, rheological property, catalytic performance, absorption property, cation exchange property, dispersing property and expansion character, can, by accelerating infiltration and the expansion of nutritive ingredient, the Nutrient Absorption needed for its farm crop be improved greatly.
Attapulgite can utilize self surfactivity, adsorptivity, catalytic, filteration, ion exchange, complexing action and electrostatic interaction, two the pH values regulating soil, for farm crop provide suitable growing environment.Attapulgite can also change the physics and chemistry natural disposition shape of soil, reduce the soil weight, impel the formation of soil gel state, strengthen the gas permeability of soil, harmful heavy metal in absorption soil, suppress disease and pest, the beneficial element in huge legendary turtle cooperation conversion soil is crossed in traffic, reaches nutritive equilibrium, coordinates crop growth, improve output, improve quality of agricultural product.
Embodiment
There is an Attapulgite mixed fertilizer for slow release effect, it is characterized in that comprising following preparation process:
A, crushing raw ore
Attapulgite Clay Minerals is broken, broken order number 30 order-60 order;
B, acidification
The vitriol oil adding massfraction 98% in water is mixed with the sulphuric acid soln of volumetric molar concentration 1 ~ 3mol/L, and add sulphuric acid soln in Attapulgite Clay Minerals broken in step, acidification makes attapulgite clay in 4 hours;
C, airing screening
Attapulgite clay after acidifying is carried out airing, and airing makes attapulgite clay water ratio be down to 15%, then pulverizes, and carries out screening and obtain attapulgite, and mesh size is 100-150 order;
D, to bake
Attapulgite after screening is sent into stoving oven and carries out roasting, maturing temperature controls at 300-360 DEG C, roasting time 45-120 minute;
E, fertilizer preparation
Mix by weight, diammonium phosphate or urea mix with attapulgite.
The vitriol oil adding massfraction 98% in described step B in water is mixed with the sulphuric acid soln of volumetric molar concentration 2mol/L.
In described step C, the attapulgite after screening is sent into stoving oven and carry out roasting, maturing temperature controls at 360 DEG C, roasting time 60 minutes;
Described attapulgite is sent into tablets press and is carried out granulation process, and particle diameter is 2.5 ~ 3.5 millimeters.
Application of phosphoric acid two ammonium or urea in described step e, diammonium phosphate amount of application 100-200 thousand grams/acre, urea amount of application 40-80 thousand grams/acre, attapulgite amount of application 100-150 thousand grams/acre.
Embodiment 1
There is an Attapulgite mixed fertilizer for slow release effect, comprise following preparation process:
A, crushing raw ore
Attapulgite Clay Minerals is broken, broken order number 30 order-60 order;
B, acidification
The vitriol oil adding massfraction 98% in water is mixed with the sulphuric acid soln of volumetric molar concentration 1mol/L, and add sulphuric acid soln in Attapulgite Clay Minerals broken in step, acidification makes attapulgite clay in 4 hours;
C, airing screening
Attapulgite clay after acidifying is carried out airing, and airing makes attapulgite clay water ratio be down to 15%, then pulverizes, and carries out screening and obtain attapulgite, and mesh size is 100-150 order;
D, to bake
Attapulgite after screening is sent into stoving oven and carries out roasting, maturing temperature controls at 300 DEG C, roasting time 45 minutes;
E, fertilizer preparation
Mix by weight, diammonium phosphate or urea mix with attapulgite.Diammonium phosphate amount of application double centner/mu, urea amount of application 40,000 grams/acre, attapulgite amount of application double centner/mu.
Embodiment 2
There is an Attapulgite mixed fertilizer for slow release effect, comprise following preparation process:
A, crushing raw ore
Attapulgite Clay Minerals is broken, broken order number 30 order-60 order;
B, acidification
The vitriol oil adding massfraction 98% in water is mixed with the sulphuric acid soln of volumetric molar concentration 2mol/L, and add sulphuric acid soln in Attapulgite Clay Minerals broken in step, acidification makes attapulgite clay in 4 hours;
C, airing screening
Attapulgite clay after acidifying is carried out airing, and airing makes attapulgite clay water ratio be down to 15%, then pulverizes, and carries out screening and obtain attapulgite, and mesh size is 100-150 order;
D, to bake
Attapulgite after screening is sent into stoving oven and carries out roasting, maturing temperature controls at 360 DEG C, roasting time 60 minutes;
E, fertilizer preparation
Mix by weight, diammonium phosphate or urea mix with attapulgite.Diammonium phosphate amount of application 200,000 grams/acre, urea amount of application 80,000 grams/acre, attapulgite amount of application 150,000 grams/acre.
Embodiment 3
There is an Attapulgite mixed fertilizer for slow release effect, comprise following preparation process:
A, crushing raw ore
Attapulgite Clay Minerals is broken, broken order number 30 order-60 order;
B, acidification
The vitriol oil adding massfraction 98% in water is mixed with the sulphuric acid soln of volumetric molar concentration 3mol/L, and add sulphuric acid soln in Attapulgite Clay Minerals broken in step, acidification makes attapulgite clay in 4 hours;
C, airing screening
Attapulgite clay after acidifying is carried out airing, and airing makes attapulgite clay water ratio be down to 15%, then pulverizes, and carries out screening and obtain attapulgite, and mesh size is 100-150 order;
D, to bake
Attapulgite after screening is sent into stoving oven and carries out roasting, maturing temperature controls at 360 DEG C, roasting time 120 minutes;
E, fertilizer preparation
Mix by weight, diammonium phosphate or urea mix with attapulgite.Diammonium phosphate amount of application 150,000 grams/acre, urea amount of application 60,000 grams/acre, attapulgite amount of application 150,000 grams/acre.
Fertilizer in embodiment 1-3 is applied to shed for pepper field.Application of phosphoric acid two ammonium in simultaneous test, amount of application 200,000 grams/acre.Chili growth parameter comparison is as shown in the table, and when rate of fertilizer is identical, in embodiment 1-3, shed for pepper growth indexes is significantly higher than chemical fertilizer contrast experiment.The shed for pepper growth indexes of embodiment 2 is better than embodiment 1 and 3.
Claims (5)
1. there is an Attapulgite mixed fertilizer for slow release effect, it is characterized in that comprising following preparation process:
A, crushing raw ore
Attapulgite Clay Minerals is broken, broken order number 30 order-60 order;
B, acidification
The vitriol oil adding massfraction 98% in water is mixed with the sulphuric acid soln of volumetric molar concentration 1 ~ 3mol/L, and add sulphuric acid soln in Attapulgite Clay Minerals broken in step, acidification makes attapulgite clay in 4 hours;
C, airing screening
Attapulgite clay after acidifying is carried out airing, and airing makes attapulgite clay water ratio be down to 15%, then pulverizes, and carries out screening and obtain attapulgite, and mesh size is 100-150 order;
D, to bake
Attapulgite after screening is sent into stoving oven and carries out roasting, maturing temperature controls at 300-360 DEG C, roasting time 45-120 minute;
E, fertilizer preparation
Mix by weight, diammonium phosphate or urea mix with attapulgite.
2. a kind of Attapulgite mixed fertilizer with slow release effect according to claim 1, the vitriol oil that it is characterized in that adding in water in described step B massfraction 98% is mixed with the sulphuric acid soln of volumetric molar concentration 2mol/L.
3. a kind of Attapulgite mixed fertilizer with slow release effect according to claim 1, it is characterized in that in described step C, the attapulgite after screening being sent into stoving oven carries out roasting, maturing temperature controls at 360 DEG C, roasting time 60 minutes.
4. a kind of Attapulgite mixed fertilizer with slow release effect according to claim 1, it is characterized in that described attapulgite is sent into tablets press and carried out granulation process, particle diameter is 2.5 ~ 3.5 millimeters.
5. a kind of Attapulgite mixed fertilizer with slow release effect according to claim 1, it is characterized in that application of phosphoric acid two ammonium or urea in described step e, diammonium phosphate amount of application 100-200 thousand grams/acre, urea amount of application 40-80 thousand grams/acre, attapulgite amount of application 100-150 thousand grams/acre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510798221.2A CN105294279A (en) | 2015-11-19 | 2015-11-19 | Attapulgite mixing fertilizer having slow release effect |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510798221.2A CN105294279A (en) | 2015-11-19 | 2015-11-19 | Attapulgite mixing fertilizer having slow release effect |
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| CN105294279A true CN105294279A (en) | 2016-02-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110128208A (en) * | 2019-06-11 | 2019-08-16 | 李成德 | A kind of polyion sustained release agent and its manufacturing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102898237A (en) * | 2012-10-22 | 2013-01-30 | 江苏花海农业科技有限公司 | Powdery saline-alkali soil water-retention slow-release fertilizer |
| CN104774071A (en) * | 2014-01-14 | 2015-07-15 | 兰州交通大学 | Use of attapulgite in fertilizer synergist |
| CN104774058A (en) * | 2014-01-14 | 2015-07-15 | 兰州交通大学 | Preparation method of attapulgite bio-organic fertilizer |
| CN104774618A (en) * | 2014-01-14 | 2015-07-15 | 兰州交通大学 | Use of attapulgite in soil heavy metal pollution restoration agent |
-
2015
- 2015-11-19 CN CN201510798221.2A patent/CN105294279A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102898237A (en) * | 2012-10-22 | 2013-01-30 | 江苏花海农业科技有限公司 | Powdery saline-alkali soil water-retention slow-release fertilizer |
| CN104774071A (en) * | 2014-01-14 | 2015-07-15 | 兰州交通大学 | Use of attapulgite in fertilizer synergist |
| CN104774058A (en) * | 2014-01-14 | 2015-07-15 | 兰州交通大学 | Preparation method of attapulgite bio-organic fertilizer |
| CN104774618A (en) * | 2014-01-14 | 2015-07-15 | 兰州交通大学 | Use of attapulgite in soil heavy metal pollution restoration agent |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110128208A (en) * | 2019-06-11 | 2019-08-16 | 李成德 | A kind of polyion sustained release agent and its manufacturing method |
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