CN104108991A - Catechol-containing polyurethane coated slow release compound fertilizer - Google Patents
Catechol-containing polyurethane coated slow release compound fertilizer Download PDFInfo
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- CN104108991A CN104108991A CN201410282075.3A CN201410282075A CN104108991A CN 104108991 A CN104108991 A CN 104108991A CN 201410282075 A CN201410282075 A CN 201410282075A CN 104108991 A CN104108991 A CN 104108991A
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Abstract
The invention relates to the field of compound fertilizers, and in particular relates to a catechol-containing polyurethane coated slow release compound fertilizer which comprises the following raw materials by weight: 10-15 parts of 1250-2000 mesh diatomite, 6-9 parts of bean curd wastewater, 12-15 parts of phosphorus pentoxide, 6-8 parts of sodium poly aspartate, 20-22 parts of rotten porch fertilizer,, 10-12 parts of rotten Chinese medicine residue, 15-18 parts of ammonium hydrogen carbonate, 2-4 parts of ferrous sulfate, 12-15 parts of phosphogypsum, 2-3 parts of methionine, 16-18 parts of rice chaff, 2-4 parts of catechol, 1-3 parts of acetylcholine, 0.1-0.2 part of sodium nitrophenolate, 20-25 parts of palm oil modified waterborne polyurethane emulsion, 3-5 parts of colloidal lithium magnesium silicate and 4-5 parts of auxiliaries; the catechol-containing polyurethane coated slow release compound fertilizer is extensive in raw material sources, multi-nutrient, and nutrient-rich, nutrients are doubly coated by the diatomite and a slow release coating agent in the production process, the fertilizer efficiency is long-lasting, crop resistance is strong, incidence of pests diseases and insect pests is low, and yield and quality are promoted.
Description
Technical field
The present invention relates to compound manure field, be specifically related to a kind of polyurethane coated slow-release compound fertilizer containing catechol.
Background technology
In modern agricultural production, the figure of the composite fertilizer that is seen everywhere, it has, and nutrient content is high, minor component is few, utilization rate of fertilizer is high, the advantages such as convenient are used in storage, is promoting to play the part of important role aspect higher yield of crops stable yields.Slow-release compound fertilizer is a kind of important classification in composite fertilizer, the research emphasis of Ye Shi China Growth of Chemical Fertilizer Industry, its slowly-releasing principle is the hydrophobic substance at the coated thin layer in fertiliser granulates surface, thereby inner nutrient is discharged in soil slowly, constantly supply with nutrient to farm crop, effectively raise the utilization ratio of fertilizer.But also there is certain shortcoming in existing slow-release compound fertilizer, be mainly manifested in nutrients ratio relatively fixing, be difficult to meet the different demands of all kinds of soil and all kinds of crops; Slow release effect is not fully up to expectations, does not mate, thereby reduced fertilizer efficiency with crop growth demand, affects plant growth, causes the underproduction reduction of income.
Summary of the invention
The object of the invention is to provide the slow-release compound fertilizer of a kind of low cost, efficient, environmental protection, and to achieve these goals, the technical solution used in the present invention is as follows:
A kind of polyurethane coated slow-release compound fertilizer containing catechol, it is characterized in that, this fertilizer is made up of the raw material of following weight part: 1250-2000 order diatomite 10-15, tofu wastewater 6-9, Vanadium Pentoxide in FLAKES 12-15, sodium polyaspartate 6-8, the fertile 20-22 in corridor becomes thoroughly decomposed, Chinese medicine residue 10-12 becomes thoroughly decomposed, bicarbonate of ammonia 15-18, ferrous sulfate 2-4, phosphogypsum 12-15, methionine(Met) 2-3, rice chaff 16-18, catechol 2-4, vagusstoff 1-3, sodium nitrophenolate 0.1-0.2, plam oil modified aqueous polyurethane emulsion 20-25, colloid-natural magnesium, lithium silicate 3-5, auxiliary agent 4-5,
Auxiliary agent is made up of the raw material of following weight part: poultry feather 14-15, nano-sized carbon 1-3, the sulphuric acid soln 30-40 of 20-30%, plam oil 8-10, polysorbate60 2-4, diatomite 25-32, magnesiumcarbonate is appropriate, Cuprocitrol 1-2, manganese citrate 1-2, zinc citrate 1-2, preparation method is: first by the washing of poultry feather process, after high-temperature sterilization, pulverize, drop in sulphuric acid soln, add nano-sized carbon, after stirring, soak 16-20h, in the hydrolyzed solution obtaining, add appropriate magnesiumcarbonate neutralization solution pH value to 6.0-7.5, add Cuprocitrol, manganese citrate, zinc citrate, stirring reaction 2-3h, add again plam oil, polysorbate60, high-speed stirring is to complete blending dispersion, finally add diatomite, mix rear dry, make powder and get final product.
Described plam oil modified aqueous polyurethane emulsion solid content is 25%-50%;
Described a kind of polyurethane coated slow-release compound fertilizer containing catechol, its production stage is as follows:
(1) diatomite is mixed with the water that waits weight part, grind 20-30min, make diatomite slurry, add subsequently sodium polyaspartate, methionine(Met), catechol, ferrous sulfate, mix and blend 20-30min, stirs and finishes rear mixture and anhydrate dryly, makes diatomite coating material;
(2) plam oil modified aqueous polyurethane emulsion is heated to 40-60 DEG C, adds colloid-natural magnesium, lithium silicate, sodium nitrophenolate to mix, fully stir 40-50min, make slow release coating agent for subsequent use;
(3) other leftover materials are mixed with step (1) gained material, drop into granulation in tablets press, and spray slow release coating agent prepared by step (2) at the particle surface making, the particle after coating is cooling through warm air drying, room temperature, gets product.
Beneficial effect of the present invention is: formula Raw wide material sources, take full advantage of common raw material in daily life production, and in reducing production costs, improve the single fixing phenomenon of conventional composite fertilizer nutrient; In production technique, utilize the Nutrient absorption of the multiple short plant growths such as diatomite and sodium polyaspartate, methionine(Met), catechol, ferrous sulfate, to be better coated nutrient, prevent from running off; The slow release coating agent being mixed with plam oil modified aqueous polyurethane emulsion and colloid-natural magnesium, lithium silicate, has good coated slow-release controllability, and slowly-releasing efficiency is high, and the sodium nitrophenolate wherein containing can promote plant growth, improves anti-adversity ability; Composite fertilizer prepared by the present invention utilizes diatomite and slow release coating agent nutrient to be formed dual coated, nutrient is difficult for running off, fertilizer efficiency is more lasting, for crop root provides good growing environment, the catechol wherein adding is a kind of nitrogen inhibitor, can reduce the accumulation of making nitrate in object, improve crop yield and quality, be a kind of composite fertilizer of novel green high-efficient.
Embodiment
Embodiment
The compound manure of the present embodiment by following weight part (kilogram) raw material make: 1250 order diatomite 15, tofu wastewater 9, Vanadium Pentoxide in FLAKES 15, sodium polyaspartate 6, the corridor fertilizer 22 that becomes thoroughly decomposed, the Chinese medicine residue 12 that becomes thoroughly decomposed, bicarbonate of ammonia 18, ferrous sulfate 4, phosphogypsum 13, methionine(Met) 3, rice chaff 18, catechol 4, vagusstoff 2, sodium nitrophenolate 0.2, plam oil modified aqueous polyurethane emulsion 25, colloid-natural magnesium, lithium silicate 5, auxiliary agent 5, auxiliary agent is made up of the raw material of following weight part: poultry feather 15, nano-sized carbon 2, 30% sulphuric acid soln 40, plam oil 10, polysorbate60 4, diatomite 32, magnesiumcarbonate is appropriate, Cuprocitrol 1, manganese citrate 1, zinc citrate 1, preparation method is: first by the washing of poultry feather process, after high-temperature sterilization, pulverize, drop in sulphuric acid soln, add nano-sized carbon, after stirring, soak 20h, in the hydrolyzed solution obtaining, add appropriate magnesiumcarbonate neutralization solution pH value to 7.0, add Cuprocitrol, manganese citrate, zinc citrate, stirring reaction 2.5h, add again plam oil, polysorbate60, high-speed stirring is to complete blending dispersion, finally add diatomite, mix rear dry, make powder and get final product.
The plam oil modified aqueous polyurethane emulsion solid content adopting is 50%;
Composite fertilizer's production stage of the present embodiment is as follows:
(1) diatomite is mixed with the water that waits weight part, grind 30min, make diatomite slurry, add subsequently sodium polyaspartate, methionine(Met), catechol, ferrous sulfate, mix and blend 30min, stirs and finishes rear mixture and anhydrate dryly, makes diatomite coating material;
(2) plam oil modified aqueous polyurethane emulsion is heated to 40-60 DEG C, adds colloid-natural magnesium, lithium silicate, sodium nitrophenolate to mix, fully stir 50min, make slow release coating agent for subsequent use;
(3) other leftover materials are mixed with step (1) gained material, drop into granulation in tablets press, and spray slow release coating agent prepared by step (2) at the particle surface making, the particle after coating is cooling through warm air drying, room temperature, gets product.
The present embodiment soybean planting implement, choose respectively two areas and be 3 mu experimental field, be labeled as respectively test group and control group, test group is used the present embodiment composite fertilizer, control group is used conventional composite fertilizer, all fertilizer is all as base manure applied once, the mu amount of executing is 45Kg, later stage no longer topdresses, two soybean varieties experimental field, daily administration is all identical, treat the harvest season, test group mu Yield of Soybean amount improves 17.4% compared with control group, hundred counterpoises improve 5.9%, benefit per mu improves 14.4%, soybean nitrite reduces by 67.8%, and test group soybean strain stem is sturdy, many of pods are full, disease and pest incidence is low compared with control group.
Claims (3)
1. the polyurethane coated slow-release compound fertilizer containing catechol, it is characterized in that, this fertilizer is made up of the raw material of following weight part: 1250-2000 order diatomite 10-15, tofu wastewater 6-9, Vanadium Pentoxide in FLAKES 12-15, sodium polyaspartate 6-8, the fertile 20-22 in corridor becomes thoroughly decomposed, Chinese medicine residue 10-12 becomes thoroughly decomposed, bicarbonate of ammonia 15-18, ferrous sulfate 2-4, phosphogypsum 12-15, methionine(Met) 2-3, rice chaff 16-18, catechol 2-4, vagusstoff 1-3, sodium nitrophenolate 0.1-0.2, plam oil modified aqueous polyurethane emulsion 20-25, colloid-natural magnesium, lithium silicate 3-5, auxiliary agent 4-5,
Described auxiliary agent is made up of the raw material of following weight part: poultry feather 14-15, nano-sized carbon 1-3, the sulphuric acid soln 30-40 of 20-30%, plam oil 8-10, polysorbate60 2-4, diatomite 25-32, magnesiumcarbonate is appropriate, Cuprocitrol 1-2, manganese citrate 1-2, zinc citrate 1-2, preparation method is: first by the washing of poultry feather process, after high-temperature sterilization, pulverize, drop in sulphuric acid soln, add nano-sized carbon, after stirring, soak 16-20h, in the hydrolyzed solution obtaining, add appropriate magnesiumcarbonate neutralization solution pH value to 6.0-7.5, add Cuprocitrol, manganese citrate, zinc citrate, stirring reaction 2-3h, add again plam oil, polysorbate60, high-speed stirring is to complete blending dispersion, finally add diatomite, mix rear dry, make powder and get final product.
2. a kind of polyurethane coated slow-release compound fertilizer containing catechol as claimed in claim 1, is characterized in that, described plam oil modified aqueous polyurethane emulsion solid content is 25%-50%.
3. a kind of polyurethane coated slow-release compound fertilizer containing catechol as claimed in claim 1, its production stage is as follows:
(1) diatomite is mixed with the water that waits weight part, grind 20-30min, make diatomite slurry, add subsequently sodium polyaspartate, methionine(Met), catechol, ferrous sulfate, mix and blend 20-30min, stirs and finishes rear mixture and anhydrate dryly, makes diatomite coating material;
(2) plam oil modified aqueous polyurethane emulsion is heated to 40-60 DEG C, adds colloid-natural magnesium, lithium silicate, sodium nitrophenolate to mix, fully stir 40-50min, make slow release coating agent for subsequent use;
(3) other leftover materials are mixed with step (1) gained material, drop into granulation in tablets press, and spray slow release coating agent prepared by step (2) at the particle surface making, the particle after coating is cooling through warm air drying, room temperature, gets product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410282075.3A CN104108991A (en) | 2014-06-23 | 2014-06-23 | Catechol-containing polyurethane coated slow release compound fertilizer |
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| CN201410282075.3A CN104108991A (en) | 2014-06-23 | 2014-06-23 | Catechol-containing polyurethane coated slow release compound fertilizer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105503418A (en) * | 2015-12-29 | 2016-04-20 | 芜湖润蓝生物科技有限公司 | Concentrated fertilizer for tuber vegetables with grapefruit flower honey taste and preparing method thereof |
| CN108849324A (en) * | 2018-06-08 | 2018-11-23 | 四川农业大学 | A kind of cultural method improving maize intercropping quality and yield |
Citations (5)
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| CN1559996A (en) * | 2004-02-27 | 2005-01-05 | 西南农业大学 | Production method of multi-nutrient green manure of controlling releasing |
| CN102816026A (en) * | 2012-07-31 | 2012-12-12 | 马鞍山科邦生态肥有限公司 | Fertilizer specially used for winter wheat base fertilizer |
| CN102964186A (en) * | 2012-11-09 | 2013-03-13 | 中国农业科学院农业资源与农业区划研究所 | Urea-coated composite emulsion and preparation method and application thereof |
| CN103102219A (en) * | 2013-01-27 | 2013-05-15 | 成都科利隆生化有限公司 | Pesticide-fertilizer mixer for controlling rice pests |
| CN103408358A (en) * | 2013-07-26 | 2013-11-27 | 王卫明 | Multifunctional stable fertilizer additive and manufacturing technology thereof |
-
2014
- 2014-06-23 CN CN201410282075.3A patent/CN104108991A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1559996A (en) * | 2004-02-27 | 2005-01-05 | 西南农业大学 | Production method of multi-nutrient green manure of controlling releasing |
| CN102816026A (en) * | 2012-07-31 | 2012-12-12 | 马鞍山科邦生态肥有限公司 | Fertilizer specially used for winter wheat base fertilizer |
| CN102964186A (en) * | 2012-11-09 | 2013-03-13 | 中国农业科学院农业资源与农业区划研究所 | Urea-coated composite emulsion and preparation method and application thereof |
| CN103102219A (en) * | 2013-01-27 | 2013-05-15 | 成都科利隆生化有限公司 | Pesticide-fertilizer mixer for controlling rice pests |
| CN103408358A (en) * | 2013-07-26 | 2013-11-27 | 王卫明 | Multifunctional stable fertilizer additive and manufacturing technology thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105503418A (en) * | 2015-12-29 | 2016-04-20 | 芜湖润蓝生物科技有限公司 | Concentrated fertilizer for tuber vegetables with grapefruit flower honey taste and preparing method thereof |
| CN108849324A (en) * | 2018-06-08 | 2018-11-23 | 四川农业大学 | A kind of cultural method improving maize intercropping quality and yield |
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Application publication date: 20141022 |