CN103030479A - Controlled availability special BB fertilizer for cotton and preparation thereof - Google Patents
Controlled availability special BB fertilizer for cotton and preparation thereof Download PDFInfo
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- CN103030479A CN103030479A CN2011103010209A CN201110301020A CN103030479A CN 103030479 A CN103030479 A CN 103030479A CN 2011103010209 A CN2011103010209 A CN 2011103010209A CN 201110301020 A CN201110301020 A CN 201110301020A CN 103030479 A CN103030479 A CN 103030479A
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- 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 relates to a controlled availability special fertilizer for cotton, in particular to a controlled availability special BB fertilizer for the cotton which aims at the characteristics of Xinjiang cotton culture and preparation thereof. On the basis of nitrogen, phosphorous and potash fertilizers, a nitrogen inhibitor, a phosphorous activating agent, a micronutrient fertilizer and a high molecular polymer are added into the fertilizer; and then the fertilizer is granulated to obtain the controlled availability special BB fertilizer for the cotton. The controlled availability special BB fertilizer can reduce the speed of nitrogen fertilizer release and the form transformation speed of the nitrogen and also can activate the activity of the phosphorus, so that longevity is longer and utilization rate is higher.
Description
Technical field
The present invention relates to cotton long-acting special fertilizer material, specifically the long-acting special-purpose BB fertilizer of a kind of cotton for the cotton in Xinjiang cultivation feature and preparation thereof.
Background technology
In existing conventional fertilizer application technology, nitrogenous fertilizer is generally used the quick acting fertilizers such as urea, ammonium sulfate, after applying calcareous soil, amidonitrogen is converted into the process that ammonium nitrogen and ammonium nitrogen be further converted to nitric nitrogen speed occurs in alkaline soils, very easily occur ammonium decompose cause volatilization loss or with the nitrate form with rainwater, irrigation water leaching loss; And the phosphate fertilizer of using is easy to be adsorbed, fix by soil in calcareous soil such as double superhosphate, calcium phosphate, monoammonium phosphate, diammonium phosphate etc., is converted into Ca
8-P, Ca
10The slightly water-soluble forms such as-P; The supply of fertilizer nutrient is difficult to the cotton dynamic need rule of coincideing in the Cotton Production, and the phenomenon of partially executing nitrogen phosphorus fertilizer, light potash fertilizer and little fertilizer is more serious, often nourishes and grows vigorous and later stage early ageing early stage.Therefore, add urease inhibitor, nitrification inhibitor and phosphorus element activator, delay the conversion rate after nitrogenous fertilizer is executed people's soil, and reduce the fixing of phosphate fertilizer, meet simultaneously the dynamic long-acting special formula fertilizer of cotton nutrient demand very necessary.
Cotton long-acting special fertilizer kind is rare at present, current slow release fertilizer adopts the slow-release fertilizer of chemical slow release formulation, high polymer film-coated, synthesis type slightly soluble attitude and matrix composite and adhesive type more, but mostly there is the production material expensive, product cost is higher, coating process is complicated, is difficult to form desirable " S " type nutrient controlled release curve.
Summary of the invention
The purpose of this invention is to provide the long-acting special-purpose BB fertilizer of a kind of cotton for the cotton in Xinjiang cultivation feature and preparation thereof.
For achieving the above object, the technical solution used in the present invention is:
The one long-acting special-purpose BB that grows cotton is fertile, comprises nitrogen, phosphorus, potash fertilizer, adds nitrogen inhibitor, phosphorus element activator, trace element fertilizer and high molecular polymer on nitrogen, phosphorus, potash fertilizer basis, obtains the long-acting special-purpose BB of cotton after the granulation fertile.
Described nitrogen, phosphorus, potash fertilizer, wherein nitrogen, phosphorus, potash fertilizer is in effective content, by weight mark blending, i.e. N: P
2O
5: K
2O=1: 0.25-0.45: 0.10-0.60.Described nitrogen inhibitor consumption is the 0.5%-8% of the fertile gross weight of BB; Wherein the nitrogen inhibitor is Dyhard RU 100 (DCD), nitrogen-pyridine (2-chloro-6 (trichloromethyl)-pyridine) or CMP (1-carboxamide-3-methylpyrazole).Described phosphorus element activator level be the fertile gross weight of BB 2%-12%; Wherein phosphorus element activator is low molecular organic acids.Described low molecular organic acids is citric acid, oxalic acid or acetic acid.Described nitrogen inhibitor and phosphorus element activator total amount account for the 0.5-20% of the fertile gross weight of BB, and preferable range is 8-12%.Described high molecular polymer consumption is the 0.05-2% of the fertile gross weight of BB; Wherein high molecular polymer is polyacrylamide or POLYPROPYLENE GLYCOL.The fertile granulated pellet particle diameter of described special-purpose BB 2-6mm, optimum range is 3.5mm-4.5mm.Described special-purpose BB fertilizer is applicable to the cotton of the large field ditch in Xinjiang, border irrigation plantation.
The preparation method of the long-acting special-purpose BB fertilizer of cotton:
1) according to the above ratio will be in the BB fertilizer composition nitrogen, phosphorus, potash fertilizer, trace element and filler pulverize after mixing, add nitrogen inhibitor and phosphorus element activator after pulverizing and make itself and the abundant mixing of fertilizer, then granulation is stand-by;
2) high molecular polymer is mixed with the aqueous solution that concentration is 0.1%-3%, in step 1) the granulation later stage sprays into, spraying into the high molecular polymer consumption is the 0.05-2% of the fertile gross weight of BB, makes each composition form the spherical particle of the suitable and surperficial comparatively smooth particle diameter 2-6mm of density.
Described step 1) composition is crushed to below the 0.45mm (40 eye mesh screen) in the BB fertilizer.Described step 2) high molecular polymer is mixed with the aqueous solution that concentration is 1-2%.
Wherein auxiliary material is: wilkinite, flyash, zeolite powder; Nitrogenous fertilizer raw material: take urea as main, be aided with ammonium sulfate, diammonium phosphate; The phosphate fertilizer raw material: monoammonium phosphate is main, is aided with double superhosphate; Potash fertilizer raw material: vitriolate of tartar, Repone K; Trace element is Fe, Mn, Zn, and wherein Fe is selected from that ferrous sulfate, Mn are selected from manganous sulfate, Zn is selected from zinc sulfate, every kind of little fertilizer by weight, consumption is the 0.1-0.5% of the fertile gross weight of BB.
The present invention has following advantage:
1. fertile each particle of BB of the present invention is a fertilizer unit with suitable cotton nitrogen phosphorus potassium and part micronutrient demand, sustained release drug in the dissolving dispose procedure of fertilizer, slow down amidonitrogen to ammonium nitrogen, nitric nitrogen transform and after the speed and the quantity that mutually transform between the two, and reduce phosphate fertilizer by the quantity of adsorption by soil and to activate the phosphorus element active.
2. BB fertilizer of the present invention is spherical, its spherical long-acting Bulk Blending Fertilizer surface is covered by numerous high molecular polymer molecule, continuous polymeric film exists at 95% fertiliser granulates at least, this structure helps the stability of fertilizer physical properties, make it and can slowly disintegrate in water or in the soil release, make nitrogenous fertilizer discharge the peak as far as possible between cotton initial bloom stage-flowering and boll-setting period, and the supply that makes phosphate fertilizer with discharge relative gently with lastingly, potash fertilizer and little fertilizer can be supplied synchronously with nitrogen phosphorus fertilizer.
3. the cotton long-acting BB fertile (be Bulk Blending Fertilizer) of the present invention with nitrogen inhibitor and phosphorus element activator material compares with common Bulk Blending Fertilizer, long-acting fertilizer can prolong the effective supply time of nutrient, fertilizer efficiency period is long, can reach about 60-100 days, can realize the crop single fertilization, not need in the life process to topdress, do not need to destroy the mulch film of water conservation insulation yet, reduce machinery and manually topdress to the destruction of plant branches and leaves, root system, keep Soil structure, reduce the pollution that fertilizer loss brings.Common Bulk Blending Fertilizer can not be controlled the release of fertilizer, short of validity period was had an appointment 20-50 days, although can make base fertilizer, but the middle and later periods also needs to topdress (mainly being nitrogenous fertilizer), the degree of depth of topdressing is more shallow, fertilizer easily loses, and is unfavorable for that root system of plant extends to obtain more living space toward the soil layer depths.
4. fertile suitable nitrogen phosphorus potassium and little fertile ratio and consumption of BB of the present invention, satisfy generally the nutrient demand of cotton, can guarantee that cotton whole breeding time is to the demand of nutrient, and according to the Condition of abundance or deficiency of In The Soil of Xinjiang nutrient, add the trace elements such as Fe, Mn, Zn, fertilizer supply is concentrated and comprehensive nutrition relatively.
5. BB fertilizer nutrient concentration of the present invention is high, and physical properties is good, and grade distribution and granule strength are reasonable, and stability is strong, a little less than water absorbability and the anti-caking, is beneficial to packing, storage, transportation and the fertilising operation of chemical fertilizer.
Description of drawings
Fig. 1. the production technological process of the long-acting special-purpose BB fertilizer of cotton that provides for the embodiment of the invention.
Embodiment
Following examples are to further specify of the present invention, are not limitations of the present invention.
Embodiment 1
Take by weighing base fertilizer urea, monoammonium phosphate, double superhosphate, vitriolate of tartar and a small amount of trace element fertilizer, nitrogen, phosphorus, potash fertilizer and trace element are in effective content, and weight fraction is by 25 parts of N, 12 parts of P
2O
5, 3 parts of K
2O, trace elements iron is 0.57 part, the proportionlity blending of 0.44 part on zinc, 0.3 part in manganese, and the pure nutrient of above-mentioned fertilizer accounts for the fertile overall weight percent of BB and is not less than 40%, add in addition nitrogen inhibitor nitrogen-pyridine weight and account for 1.2% of BB fertilizer gross weight, oxalic acid weight accounts for 4% of BB fertilizer gross weight.
Aforementioned proportion was pulverized 40 mesh sieves after composition nitrogen, phosphorus, potash fertilizer, trace element and wilkinite are mixed together in the BB fertilizer; join in the rotary drum granulator after fertilizer and nitrogen inhibitor and phosphorus element activator stirs after will sieving; machine and constantly rotate; add in the process of rotating that polyacrylamide is mixed with concentration is 2.5% the aqueous solution; the polyacrylamide solution straying quatity is equivalent to approximately 10% of BB fertilizer gross weight; make particle size dispersion in 2-6mm; then dry approximately 20min, after cooling the metering packing finished product.
The processing parameter of the long-acting special-purpose BB fertilizer of stability is: the dryer gas temperature is at 60-80 ℃, 0.3m
3Whitewashing amount≤the 0.4m of/h≤head spray gun
3/ h; The temperature of charge of tail is at 50-70 ℃.
Take by weighing the fertile 1290kg/hm of the long-acting special-purpose BB of above-mentioned cotton
2, before sowing cotton seed, plough deeply to soil control treatment base manure application of phosphoric acid two ammonium 375kg/hm
2, the total consumption of urea is 600kg/hm
2, successively imposing 3 times, product nutrient consumption of the present invention is identical with contrast, i.e. effective constituent N, P in nitrogen, phosphorus, the potash fertilizer
2O
5, K
2O three's weight sum is 516kg/hm
2, the lint yield that final cotton long-acting special fertilizer is processed reaches 1897kg/hm
2, than contrast volume increase 15.41%.
Nitrogen, phosphorus, potash fertilizer is in effective content, by weight mark blending, i.e. N: P
2O
5: K
2O=23: 12: 5, micronutrient levels was 2.4%, and total nutrient content accounts for the fertile gross weight of BB and is not less than 42%.Above-mentioned nitrogen, phosphorus, potash fertilizer and trace element are respectively: take by weighing respectively 40 kilograms in urea (N 46%), (N 12%, P for monoammonium phosphate
2O
559%) 8 kilograms, double superhosphate (P
2O
546%) 11.7 kilograms, vitriolate of tartar (K
2O 50%) 8.4 kilograms; take by weighing in addition 2 kilograms of Zinc Sulphate Heptahydrates; 1 kilogram of manganese sulfate monohydrate; 3 kilograms of iron vitriols; then with 15.2 kilograms of mixings of flyash; grinding and sieving; then add and 2.4 kilograms of Dyhard RU 100s (DCD) join in the rotary drum granulator after stirring with 4 kilograms of Citric acid monohydrate Food grades; machine and constantly rotate; add in the process of rotating that POLYPROPYLENE GLYCOL is mixed with concentration is 2% the aqueous solution; the polyacrylamide solution straying quatity is equivalent to approximately 10% of BB fertilizer gross weight, and the particle outside surface is all evenly adhered to till the macromolecule polymer solution.
Take by weighing the fertile 1088kg/hm of the long-acting special-purpose BB of above-mentioned cotton
2, to plough deeply to soil before the sowing cotton seed in spring, the pure nutrient consumption of control treatment nitrogen phosphorus potassium is 435kg/hm
2, fertilizing method is for ploughing deeply base manure double superhosphate 300kg/hm
2With vitriolate of tartar 70kg/hm
2, imposing urea 2 times, amount of urea is 630kg/hm
2, the nutrient consumption of product of the present invention is identical with contrast, final cotton lint yield 2260.1kg/hm
2, than contrast volume increase 8.83%.
Embodiment 3
Preparation 100kgBB fertilizer: take by weighing 47.9 kilograms in urea (N 46%), (N 12%, P for monoammonium phosphate
2O
559%) 18.8 kilograms, vitriolate of tartar (K
2O 50%) 7.9 kilograms, be mixed with in effective content, mark is than being N: P by weight
2O
5: K
2O=25: 14: 5, take by weighing in addition 3.0 kilograms of Zinc Sulphate Heptahydrates, 2.0 kilograms of manganese sulfate monohydrates, 4.0 kilograms of iron vitriols.Weigh, pulverize, sieve; add 5.0 kilograms of 12.0 kilograms of wilkinites and long-acting additive Dyhard RU 100s (DCD); after stirring, 2.5 kilograms of Citric acid monohydrate Food grades join in the rotary drum granulator; machine and constantly rotate; add in the process of rotating that POLYPROPYLENE GLYCOL is mixed with concentration is 2% the aqueous solution; the polyacrylamide solution straying quatity is equivalent to approximately 8% of BB fertilizer gross weight, and the particle outside surface is all evenly adhered to till the macromolecule polymer solution.
Take by weighing the fertile 1083kg/hm of the long-acting special-purpose BB of above-mentioned cotton
2, it 70% is ploughed deeply before sowing cotton seed to soil, and 30% imposed in the flower bud phase, and control treatment is used base manure diammonium phosphate 375kg/hm
2, imposing urea 2 times, the total consumption of urea is 420kg/hm
2, the pure nutrient consumption of product nitrogen phosphorus potassium of the present invention is identical with contrast, is 358kg/hm
2, final this product cotton lint yield 1767.5kg/hm
2, than contrast volume increase 11.44%.
Claims (12)
1. the long-acting special-purpose BB that grows cotton is fertile, comprises nitrogen, phosphorus, potash fertilizer, it is characterized in that: add nitrogen inhibitor, phosphorus element activator, trace element fertilizer and high molecular polymer on nitrogen, phosphorus, potash fertilizer basis, obtain the long-acting special-purpose BB of cotton after the granulation fertile.
2. fertile by the long-acting special-purpose BB of cotton claimed in claim 1, it is characterized in that: described nitrogen, phosphorus, potash fertilizer, wherein nitrogen, phosphorus, potash fertilizer is in effective content, by weight mark blending, i.e. N: P
2O
5: K
2O=1: 0.25-0.45: 0.10-0.60.
3. fertile by the long-acting special-purpose BB of cotton claimed in claim 1, it is characterized in that: described nitrogen inhibitor consumption is the 0.5%-8% of the fertile gross weight of BB; Wherein the nitrogen inhibitor is Dyhard RU 100 (DCD), nitrogen-pyridine (2-chloro-6 (trichloromethyl)-pyridine) or CMP (1-carboxamide-3-methylpyrazole).
4. fertile by the long-acting special-purpose BB of cotton claimed in claim 1, it is characterized in that: described phosphorus element activator level be the fertile gross weight of BB 2%-12%; Wherein phosphorus element activator is low molecular organic acids.
5. fertile by the long-acting special-purpose BB of cotton claimed in claim 4, it is characterized in that: described low molecular organic acids is citric acid, oxalic acid or acetic acid.
6. fertile by claim 3 or the long-acting special-purpose BB of 4 described cottons, it is characterized in that: described nitrogen inhibitor and phosphorus element activator total amount account for the 0.5-20% of the fertile gross weight of BB, and preferable range is 8-12%.
7. fertile by the long-acting special-purpose BB of cotton claimed in claim 1, it is characterized in that: described high molecular polymer consumption is the 0.05-2% of the fertile gross weight of BB; Wherein high molecular polymer is polyacrylamide or POLYPROPYLENE GLYCOL.
8. fertile by the long-acting special-purpose BB of cotton claimed in claim 1, it is characterized in that: the fertile granulated pellet particle diameter of described special-purpose BB 2-6mm.
9. fertile by the long-acting special-purpose BB of cotton claimed in claim 1, it is characterized in that: described special-purpose BB fertilizer is applicable to the cotton of the large field ditch in Xinjiang, border irrigation plantation.
10. the preparation method of the long-acting special-purpose BB fertilizer of cotton claimed in claim 1 is characterized in that:
1) according to the above ratio will be in the BB fertilizer composition nitrogen, phosphorus, potash fertilizer, trace element and filler pulverize after mixing, add nitrogen inhibitor and phosphorus element activator after pulverizing and make itself and the abundant mixing of fertilizer, then granulation is stand-by;
2) high molecular polymer is mixed with the aqueous solution that concentration is 0.1%-3%, in step 1) the granulation later stage sprays into, spraying into the high molecular polymer consumption is the 0.05-2% of the fertile gross weight of BB, makes each composition form the spherical particle of the suitable and surperficial comparatively smooth particle diameter 2-6mm of density.
11. the preparation method by the long-acting special-purpose BB fertilizer of cotton claimed in claim 10 is characterized in that: described step 1) composition is pulverized in the BB fertilizer.
12. by the preparation method of the long-acting special-purpose BB fertilizer of cotton claimed in claim 10, it is characterized in that: described step 2) high molecular polymer is mixed with the aqueous solution that concentration is 1-2%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103010209A CN103030479A (en) | 2011-09-29 | 2011-09-29 | Controlled availability special BB fertilizer for cotton and preparation thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103010209A CN103030479A (en) | 2011-09-29 | 2011-09-29 | Controlled availability special BB fertilizer for cotton and preparation thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105330411A (en) * | 2015-11-03 | 2016-02-17 | 内蒙古自治区农牧业科学院 | Efficient compound fertilizer special for beet |
| CN111837551A (en) * | 2020-07-25 | 2020-10-30 | 青岛农业大学 | Slow release fertilizer for cotton, application method of stable fertilizer and utilization efficiency determination method |
| CN114044717A (en) * | 2021-12-11 | 2022-02-15 | 史丹利农业集团股份有限公司 | Liquid fertilizer special for cotton |
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| CN101891550A (en) * | 2010-07-26 | 2010-11-24 | 菏泽金正大生态工程有限公司 | Synchronous nutrient controlled release fertilizer special for cotton and application thereof |
| CN102126893A (en) * | 2011-03-30 | 2011-07-20 | 高旸 | Long-acting slow release fertilizer additive and production method thereof |
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- 2011-09-29 CN CN2011103010209A patent/CN103030479A/en active Pending
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| JP3474802B2 (en) * | 1999-05-21 | 2003-12-08 | ユージー基材株式会社 | Slow release fertilizer |
| CN1519217A (en) * | 2003-01-24 | 2004-08-11 | 中国石油化工股份有限公司巴陵分公司 | Fertilizer special for cotton |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105330411A (en) * | 2015-11-03 | 2016-02-17 | 内蒙古自治区农牧业科学院 | Efficient compound fertilizer special for beet |
| CN111837551A (en) * | 2020-07-25 | 2020-10-30 | 青岛农业大学 | Slow release fertilizer for cotton, application method of stable fertilizer and utilization efficiency determination method |
| CN114044717A (en) * | 2021-12-11 | 2022-02-15 | 史丹利农业集团股份有限公司 | Liquid fertilizer special for cotton |
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Application publication date: 20130410 |