CN102249818A - Organic-inorganic controlled-release fertilizer special for isatidis root and preparation method and application thereof - Google Patents
Organic-inorganic controlled-release fertilizer special for isatidis root and preparation method and application thereof Download PDFInfo
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Abstract
The invention relates to an organic-inorganic controlled-release fertilizer special for isatidis root and a preparation method and application thereof. Raw materials of the fertilizer comprise an organic-inorganic composition, sulfur coated urea, sulfur high-polymer coated urea, humic acid coated urea with the concentration of 5 percent, recovery thermoplastic resin coated urea with the concentration of 5 percent, urea and a potassium sulfate compound fertilizer, wherein the organic-inorganic composition is prepared by fully mixing a decomposed organic fertilizer and an inorganic fertilizer in the mass ratio 100:(9-15) by granulating according to the prior art. The organic-inorganic controlled-release fertilizer special for isatidis root is fully and uniformly applied to the soil surface at one time before seeding and land preparation in spring, and then ploughing is performed. The organic-inorganic controlled-release fertilizer is accurately compounded according to the nutrient absorption characteristic of the isatidis root, so that the nutrient release of the fertilizer is matched with the nutrient absorption of the isatidis root, the soil fertility and the fertilizer utilization ratio can be effectively increased, and the yield and the quality of the isatidis root are improved.
Description
Technical field
The present invention relates to a kind of release and release control fertilizer, particularly be used for organic-inorganic release and release control fertilizer and the preparation and the application of the special use of Chinese medicinal materials Root of Indigowoad, belong to release and release control fertilizer production and applied technical field.
Background technology
Root of Indigowoad is a Cruciferae Clerodendron plant, and root and Ye Douke are used as medicine, and is large medicinal material of using always.Root of Indigowoad adaptability is stronger, and not tight to physical environment and soil requirement, various places, China north and south can both be cultivated, and mainly are distributed in ground such as Anhui, Hebei, Jiangsu, the Inner Mongol, Shaanxi, Shanxi, Henan, Gansu, northeast.In recent years, along with people constantly deepen the understanding of Root of Indigowoad pharmaceutical use, demand continued to increase, and cultivated area enlarges day by day.CN101218872A (CN200810007066.8) discloses a kind of cultivating method of Root of Indigowoad, comprises following (1) whole ground; (2) grow seedlings; (3) field management; (4) gather and process.Utilize the cultivating method of this invention, can improve the quality of Root of Indigowoad.
Root of Indigowoad belongs to root crop, and its main products is a underground root, this class plant to nutritive element particularly the supply of nitrogen its particular requirement is arranged.For example, nitrogen fertilizer amount is difficult for too much, otherwise the cauline leaf over growth is unfavorable for that the piece root growth expands.But the nitrogen deficiency also can make the cauline leaf poor growth, and photosynthesis reduces, and causes the underproduction.Total requirement is the reasonable and supply long lasting and stable of consumption to Root of Indigowoad to nitrogenous fertilizer.The nutrient of controlled release fertilizer discharges steadily, is to solve because the soil nutrient that fertilising causes is supplied the effective ways of huge fluctuation.Simultaneously, Root of Indigowoad and other root crop are also different.The blade of Root of Indigowoad also is a medicinal material, guarantees that its yield level also is the importance that increases ultimate production, increases economic efficiency.The leaf of Root of Indigowoad mainly concentrates on growth and gathers early stage, and the growth of leaf is more to absorb nitrogen nutrition.Root of Indigowoad is the meat root system, and it expands in the process except that sufficient nutrient, also needs the air permeability of good Soil structure to guarantee to suit.Application of organic fertilizers is the important measures of structure of improving the soil.Therefore, according to the growth and the nutrition absorption characteristic of Root of Indigowoad, in conjunction with the nutrient element releasing rule of the fertile raw material of different controlled releases, accurately being re-dubbed Root of Indigowoad special organic and inorganic controlled release fertilizer is to improve its Fertilization Level, increase output and improve quality, improve the effective ways of planting benefit.Do not see relevant report at present.
Summary of the invention
At the deficiencies in the prior art, the invention provides a kind of Root of Indigowoad special organic and inorganic controlled release fertile and preparation and application.
Summary of the invention
The present invention is according to Root of Indigowoad nutrition absorption characteristic, utilize different controlled release fertilizer accurately composite as raw material, the nutrient release of fertilizer and the nutrition absorption of Root of Indigowoad are matched, and cooperate with the particulate state fertilizer, can effectively increase soil fertility and fertilizer utilization efficiency, increase Root of Indigowoad output, improve product quality.
Detailed Description Of The Invention
Root of Indigowoad special organic and inorganic release and release control fertilizer, raw materials quality part is as follows:
45～60 parts of organic and inorganic compositions,
4～8 parts in sulfur coating urea,
Sulphur adds 5～8 parts of high molecular polymer coated carbamides,
3～9 parts in 5% humic acid membrane wrapping urea,
5% reclaims 5～7 parts in thermoplastic resin membrane wrapping urea,
3～6 parts in urea,
16～20 parts of compound potassium sulfate fertilizers.
Described organic and inorganic composition is that the fertilizer that will become thoroughly decomposed and inorganic fertilizer make by the prior art granulation after by mass ratio 100: 9～15 abundant mixings.
Described inorganic fertilizer is monoammonium phosphate, vitriolate of tartar and zinc sulfate.Preferred pulverous monoammonium phosphate, vitriolate of tartar and zinc sulfate.Preferably phosphoric acid one ammonium: vitriolate of tartar: the zinc sulfate mass ratio is 3～5: 5～8: 1～2.
The described fertilizer that becomes thoroughly decomposed can be that market is buied or of the prior art any.The fertilizer that becomes thoroughly decomposed should meet the requirement of China's fertilizer industry standard (NY 525-2002), and heavy metal content, roundworm mortality ratio, intestinal bacteria index meet the requirement of GB8172.
Preferred according to the present invention, the described fertilizer that becomes thoroughly decomposed makes by the following method:
50～60 parts of Xylitol slags, 30～35 parts of crop straws, 10～15 parts of the natural pond slags pulverized mix, and regulate moisture content 55-65wt%, carry out fermentation maturity by prior art.
Preferred 2～4 millimeters of described organic and inorganic composition granulation particle diameter.
Described sulfur coating urea is to be nuclear core fertilizer spraying sulphur film with the granular urea, and it is 22-25% that the sulphur mould material accounts for nuclear core fertilizer quality per-cent, by prior art for preparing.Preferably, to account for nuclear core fertilizer quality per-cent be 23% to the sulphur mould material.
It is to be nuclear core fertilizer with the granular urea that described sulphur adds the high molecular polymer coated carbamide, and spraying inner cladding sulphur film sprays the surrounding layer polymer membrane again and makes earlier; Wherein, it is 20% that inner cladding sulphur mould material accounts for nuclear core fertilizer quality per-cent, and the mass percent that the surrounding layer polymer membrane accounts for nuclear core fertilizer is 2%.Wherein preferred, high polymer film-coated material is the mixing with 9: 1 mass ratioes of novolac epoxy and triethylene tetramine.The preparation method is referring to CN1246265C (200410024050.X) " is the preparation method of the high polymer film-coated controlled release fertilizer of undercoat with sulphur ", and the present invention quotes the full text of this patent document as prior art.Wherein, the preferred granular urea of nuclear core fertilizer urea, 2～3 millimeters of particle diameters.
Described 5% humic acid membrane wrapping urea is to be nuclear core fertilizer with the granular urea, spray one layer binder outside granular urea, spray the weathered coal of the air-dry pulverizing of one deck again, solidify the back and repeat said process, until reach binding agent account for the granular urea quality 1%, weathered coal accounts for 5% of granular urea quality.Preferably, to be Resins, epoxy and triethylene tetramine be mixed and made into by 1: 0.10 mass ratio described binding agent.This raw material 5% humic acid membrane wrapping urea is the commercially available prod, Shandong Kingenta Bio-engineering Stock Co., Ltd. is on sale, also can be by patent document CN100556866C (200810139610.4) disclosed " a kind of humic acid control-releasing fertilizer and preparation method thereof " preparation, the present invention quotes the full text of this patent document as prior art.
Described 5% recovery thermoplastic resin membrane wrapping urea is that granular urea is a nuclear core fertilizer, and spraying is reclaimed the thermoplastic resin membrane wrapping layer and made, and reclaims the thermoplastic resin membrane wrapping layer and accounts for 5% of granular urea quality.Preferably, described recovery thermoplastic resin membrane wrapping layer material prepares by the following method: by mass parts, 18 parts of recovery vinyons and 18 parts of recovery polystyrene foams are miscible in the mixed solvent of 300 parts of methylene dichloride and 1: 1 mass ratio of zellon, adding diatomite, Semen Maydis powder, rubber powder are pressed 1: 1: 1 quality than 3 parts in mixture, make and reclaim the thermoplastic resin membrane wrapping agent.
5% above-mentioned recovery thermoplastic resin membrane wrapping urea, Shandong Kingenta Bio-engineering Stock Co., Ltd. produces and sells, also can be by prior art for preparing, described in CN 1257136C (200410035783.3) " is the production method of the film-coated controlled release fertilizer of degradable membrane to reclaim thermoplastic resin ".
Described compound potassium sulfate fertilizer, the commercially available prod, nitrogen, Vanadium Pentoxide in FLAKES, potassium oxide content are respectively 15%, 15%, 15%, mass percent.2～4 millimeters of preferable particle size.
According to the present invention, optimized technical scheme is as follows:
Root of Indigowoad special organic and inorganic release and release control fertilizer, raw materials quality part is as follows:
53～57 parts of organic and inorganic compositions,
4.5～5.5 parts in sulfur coating urea,
Sulphur adds 6.5～7.5 parts of high molecular polymer coated carbamides,
3.5～4.5 parts in 5% humic acid membrane wrapping urea,
5% reclaims 5.5～6.5 parts in thermoplastic resin membrane wrapping urea,
4.5～5.5 parts in urea,
17～19 parts of compound potassium sulfate fertilizers.
The preparation method of Root of Indigowoad special organic and inorganic release and release control fertilizer of the present invention, step is as follows:
(1) with 50～60 parts of Xylitol slags, be crushed to length less than 0.5 centimetre 30～35 parts of crop straws, 10～15 parts of natural pond slags, carry out fermentation maturity by prior art and prepare fertilizer, before in digest process, turning for the last time, air dried basis with fertilizer calculates, add the monoammonium phosphate of fertilizer mass parts 3%～5%, 5%～8% vitriolate of tartar, 1%～2% zinc sulfate, mix thoroughly and continue fermentation 2～4 days, get compound.By the prior art granulation, get the organic and inorganic composition;
(2) above-mentioned organic and inorganic composition, sulfur coating urea, sulphur are added high molecular polymer coated carbamide, 5% humic acid membrane wrapping urea, 5% recovery thermoplastic resin membrane wrapping urea, urea, compound potassium sulfate fertilizer, put into stirrer together by proportioning and stirred 5～8 minutes, fully mixing promptly.Then the fertilizer that mixes is measured, packs.
Described crop straw can be peanut stalk, soybean stalk, maize straw, wheat stalk etc. any, preferred peanut stalk or maize straw.Described natural pond slag is the natural pond slag of normal gas producing after one month preferably, and raw material is not limit (feces of livestock and poultry or stalk are main raw material all can).
Preferably spray the carboxymethyl cellulose aqueous solution granulation aid of 1.5～2.5wt% in the step (1) by the prior art granulation, 2～4 millimeters of granulation particle diameters.
The application of Root of Indigowoad special organic and inorganic release and release control fertilizer of the present invention, fertilizing method be, disposablely before the whole ground of sowing in spring all evenly executes at soil surface, turns over then.Fertilizer amount, folding synthetic nitrogen, phosphorus, potassium total amount, 400～500 kilograms of per hectares.
Excellent results of the present invention is as follows:
1, organic-inorganic combination improves Soil structure
The sign of fertile soil is not only the nutrient content height, also is embodied in the ability of reconciling water, gas, heat.The plant that Root of Indigowoad is is product to gather in the crops underground root, this class plant needs competent air to be used for breathing at piece root expanding stage, and good Soil structure is the basis of coordinating soil moisture and air.Root of Indigowoad special organic and inorganic release and release control fertilizer of the present invention contains abundant organic substance, and the required various inorganic nutritive elements of Root of Indigowoad are arranged simultaneously, and being manured into soil both can provide nutrient, also can promote the formation of soil aggregate, improved Soil structure.
2, fertilizer nutrient discharges steadily, helps the underground product growth of Root of Indigowoad
The Root of Indigowoad high yield to nutrient particularly the total requirement of nitrogenous fertilizer be consumption rationally and the supply long lasting and stable.Special organic and inorganic release and release control fertilizer nutrient of the present invention discharges gradually and matches with the Root of Indigowoad absorption, has solved because the soil nutrient that fertilising causes is supplied huge fluctuation, has obviously improved underground, the terraneous Harmony of Root of Indigowoad, has promoted the raising of ultimate production.
3, improve the utilising efficiency of fertilizer phosphorus and zinc
In China, the Root of Indigowoad plantation mainly concentrates on the north, and these geographic soil calcium carbonate contents are higher, and the soil meta-alkalescence have fixed action to phosphorus, the zinc nutrition unit that applies, and influences their utilising efficiency.Root of Indigowoad special organic and inorganic release and release control fertilizer of the present invention is mixed in part phosphate fertilizer and zinc fertilizer in the fertilizer, has reduced because of directly contacting the fixed action that causes with soil, has improved utilising efficiency greatly.
Description of drawings
Fig. 1 is Root of Indigowoad nutrition absorption figure, and X-coordinate is the nutrient kind, and ordinate zou is the nutrient quantity (unit: kg) that 100 kilograms of air-dry Root of Indigowoad of every production absorb.
Fig. 2 is the nitrogen nutrition absorbing rule graphic representation of embodiment 1 Root of Indigowoad special-purpose control-release fertilizer nitrogen release of the present invention and Root of Indigowoad, thick line is the nitrogen nutrient element releasing rule line of fertilizer of the present invention, fine rule is the nitrogen nutrient absorbing rule curve of Root of Indigowoad, X-coordinate is the Root of Indigowoad time after planting, and ordinate zou is a nitrogen nutrient cumulative amount (unit: kg/ mu).
Embodiment
The present invention will be further described below in conjunction with embodiment, but be not limited thereto.
Raw material consumption umber among the embodiment is mass parts, and all per-cents are mass percent.
Clearly do not limit among the embodiment all by prior art, the method that provides as CN1246265C (200410024050.X), CN100556866C (200810139610.4) and CN 1257136C (200410035783.3) prepares.
Monoammonium phosphate, vitriolate of tartar, zinc sulfate are Powdered commercial product.
The Xylitol slag: Shandong Dezhou City dragon Lik-Sang thing Science and Technology Ltd. produces the byproduct of Xylitol, and its raw material mainly is a corn cob.The natural pond slag: marsh gas power generation factory of dairy industry group of Mongolia Ox natural pond slag, main raw material is a cow dung.
Embodiment 1: Root of Indigowoad special organic and inorganic release and release control fertilizer, and raw material is composed as follows:
Organic and inorganic composition 55kg,
Sulfur coating urea 5kg,
Sulphur adds high molecular polymer coated carbamide 7kg,
5% humic acid membrane wrapping urea 4kg,
5% reclaims thermoplastic resin membrane wrapping urea 6kg,
Urea 5kg,
Compound potassium sulfate fertilizer 18kg.
The preparation method:
(1) organic and inorganic preparation of compositions
Get 60 parts of Xylitol slags, be crushed to length less than 0.5 centimetre 30 parts of peanut straws, 10 parts of natural pond slags, mix, regulate moisture content about 57%, carry out fermentation maturity by prior art and prepare fertilizer, before in the fertilizer digest process, turning for the last time, air dried basis with fertilizer calculates, and evenly adds the monoammonium phosphate of fertilizer mass parts 4%, 6% vitriolate of tartar, 1.0% zinc sulfate, mixes thoroughly and continues fermentation 4 days.Become thoroughly decomposed and spray the granulation of 1.5wt% carboxymethyl cellulose aqueous solution after finishing, 2～4 millimeters of particle diameters, the organic and inorganic composition;
(2) sulfur coating urea, sulphur add high molecular polymer coated carbamide, 5% humic acid membrane wrapping urea, 5% preparation of reclaiming thermoplastic resin membrane wrapping urea:
Sulfur coating urea serves as nuclear core fertilizer spraying sulphur film with particle diameter 2～3 mm granules urea, and it is 23% that the sulphur mould material accounts for nuclear core fertilizer quality per-cent.
Sulphur adds the high molecular polymer coated carbamide, serves as nuclear core fertilizer with particle diameter 2～3 mm granules urea, and spraying inner cladding sulphur film sprays the surrounding layer polymer membrane again and makes earlier; Wherein, it is 20% that inner cladding sulphur mould material accounts for nuclear core fertilizer quality per-cent, and the mass percent that polymer membrane accounts for nuclear core fertilizer is 2%, and high polymer film-coated material is the mixing with 9: 1 mass ratioes of novolac epoxy and triethylene tetramine.The preparation method is referring to CN1246265C (200410024050.X).
5% humic acid membrane wrapping urea, with particle diameter 2～3 mm granules urea is nuclear core fertilizer, spray one layer binder outside granular urea, spray the weathered coal of the air-dry pulverizing of one deck again, solidify the back and repeat said process 2 times, the binding agent consumption of each time is identical, and the weathered coal consumption of each time is identical, make binding agent account for the granular urea quality 1%, weathered coal accounts for 5% humic acid membrane wrapping urea of granular urea quality.To be Resins, epoxy and triethylene tetramine be mixed and made into by 1: 0.10 mass ratio described binding agent.With reference to CN100556866C (200810139610.4) " a kind of humic acid control-releasing fertilizer and preparation method thereof ".
5% reclaims thermoplastic resin membrane wrapping urea, serves as nuclear core fertilizer with particle diameter 2～3 mm granules urea, and spraying 5wt% reclaims the thermoplastic resin membrane wrapping layer and makes.Described recovery thermoplastic resin membrane wrapping layer material prepares by the following method: by weight, 18 parts of recovery vinyons and 18 parts of recovery polystyrene foams are miscible in the mixed solvent of 300 parts of methylene dichloride and 1: 1 mass ratio of zellon, adding diatomite, Semen Maydis powder, rubber powder are pressed 1: 1: 1 quality than 3 parts in mixture, make and reclaim the thermoplastic resin membrane wrapping agent.
(3) above-mentioned organic and inorganic composition, sulfur coating urea, sulphur are added high molecular polymer coated carbamide, 5% humic acid membrane wrapping urea, 5% and reclaim thermoplastic resin membrane wrapping urea, urea, compound potassium sulfate fertilizer and put into stirrer together by proportioning and stirred 5 minutes, fully mixing promptly.Then the fertilizer that mixes is measured, packs.
Embodiment 2: Root of Indigowoad special organic and inorganic release and release control fertilizer, and raw materials quality part is as follows:
Organic and inorganic composition 50kg,
Sulfur coating urea 8kg,
Sulphur adds high molecular polymer coated carbamide 6kg,
5% humic acid membrane wrapping urea 7kg,
5% reclaims thermoplastic resin membrane wrapping urea 6kg,
Urea 3kg,
Compound potassium sulfate fertilizer 20kg.
The preparation method is with embodiment 1.
Embodiment 3: Root of Indigowoad special organic and inorganic release and release control fertilizer, and raw materials quality part is as follows:
Organic and inorganic composition 60kg,
Sulfur coating urea 4kg,
Sulphur adds high molecular polymer coated carbamide 5kg,
5% humic acid membrane wrapping urea 6kg,
5% reclaims thermoplastic resin membrane wrapping urea 5kg,
Urea 4kg,
Compound potassium sulfate fertilizer 16kg.
The preparation method:
(1) get 50 parts of Xylitol slags, be crushed to length less than 0.5 centimetre 35 parts of soybean straws, 15 parts of natural pond slags, mix, regulate moisture content about 63%, carry out fermentation maturity by prior art and prepare fertilizer, before in the fertilizer digest process, turning for the last time, air dried basis with fertilizer calculates, and evenly adds the monoammonium phosphate of fertilizer mass parts 5%, 8% vitriolate of tartar, 2% zinc sulfate, mixes thoroughly and continues fermentation 3 days.Become thoroughly decomposed and spray the granulation of 2.5wt% carboxymethyl cellulose aqueous solution after finishing, 2～4 millimeters of particle diameters, the organic and inorganic composition;
(2) above-mentioned organic and inorganic composition, sulfur coating urea, sulphur are added high molecular polymer coated carbamide, 5% humic acid membrane wrapping urea, 5% and reclaim thermoplastic resin membrane wrapping urea, urea, compound potassium sulfate fertilizer and put into stirrer together by proportioning and stirred 7 minutes, fully mixing promptly.Then the fertilizer that mixes is measured, packs.
Embodiment 4: Root of Indigowoad special organic and inorganic release and release control fertilizer, and raw materials quality part is as follows:
Organic and inorganic composition 45kg,
Sulfur coating urea 6kg,
Sulphur adds high molecular polymer coated carbamide 8kg,
5% humic acid membrane wrapping urea 9kg,
5% reclaims thermoplastic resin membrane wrapping urea 7kg,
Urea 6kg,
Compound potassium sulfate fertilizer 19kg.
The preparation method is with embodiment 3.
Comparative Examples: common urea, nitrogen content 46%; Compound potassium sulfate fertilizer, nitrogen, phosphorus, potassium content are respectively 15%, 15%, 15%, mass percent.
The effect of above embodiment 1～4 and Comparative Examples is as follows:
Test site: Haozhou, Anhui Province city, Anguo City, Hebei province.
Test period: year October in April, 2010 to 2010.
For trying the Root of Indigowoad kind: woaded blue.
Embodiment 1-4 and Comparative Examples fertilizer nitrogen, phosphorus, potassium total nutrient consumption are identical, 450 kilograms of per hectares.Disposablely before the whole ground of spring sowing all evenly execute, turn over then at soil surface.Management according to a conventional method, all trial methods are identical.Effect sees Table 1.
Table 1. is compared the application effect of embodiment 1-4 with Comparative Examples
Claims (7)
1. Root of Indigowoad special organic and inorganic release and release control fertilizer is characterized in that raw materials quality part is as follows:
45～60 parts of organic and inorganic compositions,
4～8 parts in sulfur coating urea,
Sulphur adds 5～8 parts of high molecular polymer coated carbamides,
3～9 parts in 5% humic acid membrane wrapping urea,
5% reclaims 5～7 parts in thermoplastic resin membrane wrapping urea,
3～6 parts in urea,
16～20 parts of compound potassium sulfate fertilizers;
Described organic and inorganic composition is that the fertilizer that will become thoroughly decomposed and inorganic fertilizer make by the prior art granulation after by mass ratio 100: 9～15 abundant mixings; Described inorganic fertilizer is monoammonium phosphate, vitriolate of tartar and zinc sulfate, monoammonium phosphate: vitriolate of tartar: the zinc sulfate mass ratio is 3～5: 5～8: 1～2;
Described sulfur coating urea is to be nuclear core fertilizer spraying sulphur film with the granular urea, and it is 22-25% that the sulphur mould material accounts for nuclear core fertilizer quality per-cent;
It is to be nuclear core fertilizer with the granular urea that described sulphur adds the high molecular polymer coated carbamide, it is 20% that inner cladding sulphur mould material accounts for nuclear core fertilizer quality per-cent, the mass percent that the surrounding layer polymer membrane accounts for nuclear core fertilizer is 2%, and high polymer film-coated material is the mixing with 9: 1 mass ratioes of novolac epoxy and triethylene tetramine;
Described 5% humic acid membrane wrapping urea is to be nuclear core fertilizer with the granular urea, spray one layer binder outside granular urea, spray the weathered coal of the air-dry pulverizing of one deck again, solidify the back and repeat said process, until reach binding agent account for the granular urea quality 1%, weathered coal accounts for 5% of granular urea quality;
Described 5% recovery thermoplastic resin membrane wrapping urea is that granular urea is a nuclear core fertilizer, and spraying is reclaimed the thermoplastic resin membrane wrapping layer and made, and reclaims the thermoplastic resin membrane wrapping layer and accounts for 5% of granular urea quality.
2. Root of Indigowoad special organic and inorganic release and release control fertilizer as claimed in claim 1 is characterized in that raw materials quality part is as follows:
53～57 parts of organic and inorganic compositions,
4.5～5.5 parts in sulfur coating urea,
Sulphur adds 6.5～7.5 parts of high molecular polymer coated carbamides,
3.5～4.5 parts in 5% humic acid membrane wrapping urea,
5% reclaims 5.5～6.5 parts in thermoplastic resin membrane wrapping urea,
4.5～5.5 parts in urea,
17～19 parts of compound potassium sulfate fertilizers.
3. Root of Indigowoad special organic and inorganic release and release control fertilizer as claimed in claim 1 or 2 is characterized in that the described fertilizer that becomes thoroughly decomposed makes by the following method:
50～60 parts of Xylitol slags, 30～35 parts of crop straws, 10～15 parts of the natural pond slags pulverized mix, and regulate moisture content 55-65wt%, carry out fermentation maturity by prior art.
4. the preparation method of Root of Indigowoad special organic and inorganic release and release control fertilizer as claimed in claim 3, step is as follows:
(1) with 50～60 parts of Xylitol slags, be crushed to length less than 0.5 centimetre 30～35 parts of crop straws, 10～15 parts of natural pond slags, carry out fermentation maturity by prior art, before in digest process, turning for the last time, air dried basis with fertilizer calculates, add the monoammonium phosphate of fertilizer mass parts 3%～5%, 5%～8% vitriolate of tartar, 1%～2% zinc sulfate, mix thoroughly and continue fermentation 2～4 days, get compound, by the prior art granulation, get the organic and inorganic composition;
(2) above-mentioned organic and inorganic composition, sulfur coating urea, sulphur are added high molecular polymer coated carbamide, 5% humic acid membrane wrapping urea, 5% recovery thermoplastic resin membrane wrapping urea, urea, compound potassium sulfate fertilizer, put into stirrer together by proportioning and stirred 5～8 minutes, fully mixing promptly.
5. preparation method as claimed in claim 4 is characterized in that described crop straw can be any of peanut stalk, soybean stalk, maize straw, wheat stalk.
6. preparation method as claimed in claim 4 is characterized in that in the step (1) that by the prior art granulation be the carboxymethyl cellulose aqueous solution granulation aid of spraying 1.5～2.5wt%, 2～4 millimeters of granulation particle diameters.
7. the application of each described Root of Indigowoad special organic and inorganic release and release control fertilizer of claim 1～3 is characterized in that fertilizing method is, disposablely before the whole ground of spring sowing all evenly executes at soil surface, turns over then; Fertilizer amount, folding synthetic nitrogen, phosphorus, potassium total amount, 400～500 kilograms of per hectares.
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| CN102584492A (en) * | 2012-01-16 | 2012-07-18 | 菏泽金正大生态工程有限公司 | Compound type sustained or controlled release nitrogen fertilizer special for crops in Huang huai hai area, preparation method and applications thereof |
| CN102795929A (en) * | 2012-07-27 | 2012-11-28 | 山东农大肥业科技有限公司 | Polymer-sulfur double coated humic acid sustained and controlled-release fertilizer dedicated for wheat |
| CN102795945A (en) * | 2012-07-27 | 2012-11-28 | 山东农大肥业科技有限公司 | Special sulfur-resin double-membrane humic-acid controlled release fertilizer suitable for culturing garlic with mulching film |
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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 |
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