CN1242962C - Nimbic coating slow release granular fertilizer - Google Patents
Nimbic coating slow release granular fertilizer Download PDFInfo
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- CN1242962C CN1242962C CN 200410024526 CN200410024526A CN1242962C CN 1242962 C CN1242962 C CN 1242962C CN 200410024526 CN200410024526 CN 200410024526 CN 200410024526 A CN200410024526 A CN 200410024526A CN 1242962 C CN1242962 C CN 1242962C
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- seal chinaberry
- chinaberry
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Abstract
The present invention relates to a slow-release granular fertilizer with nimbic coating, which is prepared from a nim seed cake powder and turfy soil coated urea granules, wherein the nim seed cake powder is a leftover generated after oil is squeezed from nim seeds and nimbin is extracted from the nim seeds, and contains sterilization components of nimbin, bitter principle, etc. besides abundant N, P, K and trace elements; the granular fertilizer preapred from the coated urea and other fertilizers can suppress the degradation of anti-digesting bacteria to nitrogenous fertilizers and regulate the pH value of soil, and consequently, the volatilization of NH3 is reduced; turfy soil has higher capacity of water absorption besides fertilizer effect. Therefore, the slow-release granular fertilizer with nimbic coating has the fertilizer effect and the functions of slow release, sterilization, soil regulation and soil moisture preservation.
Description
Technical fieldThe present invention relates to fertilizer formula processing and preparation technique thereof.
Background technologyIn order to improve crop yield, global peasant approximately uses 4,666 ten thousand tons nitrogenous fertilizer every year, and wherein 80% is urea.Under normal conditions, farm crop utilize the efficient of nitrogenous fertilizer very low.Studies have shown that, the nitrogen that crop absorbs is no more than 50% of chemical fertilizer amount of nitrogen, and the specific absorption of paddy rice generally is no more than 40%, and the nitrogen of other parts enters atmospheric layer by many channels, becomes oxynitride and nitrogen etc. as leak-off, ammonia volatilization and denitrification under anaerobic.Any means that can improve nitrogen use efficiency 5～10% can both be saved the nitrogenous fertilizer usage quantity greatly.From economics point, if there is the loss of the total consumption of 20% nitrogenous fertilizer in the whole world, promptly lose 9,330,000 tons nitrogenous fertilizer, be worth 6,000,000,000 dollars.
Have many methods effectively to regulate the supply rate of nitrogen according to the requirement of crop growth to nitrogen, lower the loss of nitrogen, improve the nitrogenous fertilizer utilising efficiency, increase crop yield simultaneously, the slowly-releasing of Here it is chemical fertilizer is handled.These methods comprise utilizes sulphur, lac and polymkeric substance, organic synthesis compound coated fertilizer, and urea supergranule technology etc., these methods are all controlled the release rate of fertilizer to some extent, prolong the required time of crop to fertilizer, improve fertilizer utilization ratio.But because material therefor price comparison costliness, these methods all do not have to be widely used on producing.
The seal chinaberry is a kind of arbor, widely distributed, be grown on the highland of 700 meters of the torrid zone, subtropics and height above sea level, some national output maximums in Asia such as India, China in 1986 in Wanning, Hainan Province county and Guangdong Province's Xuwen County successfully introduce a fine variety first, grow fine, at present, development is very fast in Yunnan Province of China province, and the plantation area reaches 100,000 mu.Contain abundant desinsection, sterilization component in the seal chinaberry, effective constituent mainly exists in the seed, and the trace active composition is also arranged in bark and blade.The result quantities in 1 year of every strain seal chinaberry can reach 50 kilograms at most.General per kilogram kind nuclear contains effective constituent 1～8 grams such as nimbin.Seal chinaberry seed is treated can to obtain nim oil and neem cake, and neem cake contains abundant nimbin and multiple bitter principle, also contains plant nutrient substance N (5-7%), P (1.1%) and K (1.5%).According to international latest report, nimbin and bitter principle can be prevented and treated 413 kinds of insects, and various bacteria and fungi are had restraining effect.The fertile particle fertilizer that forms of neem cake dressing N can suppress the Degradation of anti-bacterial digestion to N fertilizer, and can regulate P in soil H value, thereby reduces NH
3Volatilization, therefore, seal chinaberry coated slow release particle fertilizer not only has the fertilizer efficiency effect, and has the effect of slowly-releasing, sterilization and adjusting soil.
Summary of the inventionThe objective of the invention is, improve the chemical fertilizer service efficiency, reduce the chemical fertilizer usage quantity, improve agricultural product quality and output.Provide a kind of novel be the seal chinaberry coated slow release particle fertilizer of main component with biotic component seal chinaberry kind seed cake powder and chemical fertilizer.
Technical scheme of the present invention is being main effective constituent by neem cake, turfy soil and the chemical fertilizer of seal chinaberry seed after carrying oil and extracting nimbin, be equipped with binding agent-coal tar greasy filth etc. and mix, utilize a comminution granulation to be processed into seal chinaberry coated slow release particle fertilizer by suitable proportion.Still contain nimbin and the multiple bitter principle that part does not extract in the neem cake through pulverizing.The existing insecticidal activity of these effective constituents also has fungicidal activity, also contains plant nutrient substance N (5～7%), P (1.1%) and K (1.5%).Therefore, the present invention not only has the fertilizer efficiency effect, and the effect that has slowly-releasing, improves fertilizer efficiency, sterilization and adjusting soil.Utilize technical scheme of the present invention, can reach purpose of the present invention.
The present invention prints chinaberry coated slow release particle fertilizer, it is characterized in that fertile each component of said particle represents with weight percent: seal chinaberry kind seed cake powder 5%～25%, coal tar greasy filth 5%～10%, urea 50～80%, turfy soil 5%～15%, through mix, rolling granulation and the particle fertilizer made.
Wherein printing chinaberry kind seed cake powder is that the seal chinaberry kind seedcake that seal chinaberry seed shells, oil is carried in cold press, solvent method extracts behind the nimbin was obtained through pulverizing 50 mesh sieves; Turfy soil is that commercially available turfy soil was obtained through pulverizing 50 mesh sieves; Urea is commercially available particulate state fertilizer.
Compare with prior art, the present invention has following advantage and positively effect:
1, adds biotic component seal chinaberry kind seed cake powder, reduce the pollution of chemical fertilizer agricultural-food and environment.
2, utilize neem kernel cake powder sterilization, regulate the effect of P in soil H value, chemical fertilizer is played the effect of slowly-releasing, raising chemical fertilizer utilization ratio and fertilizer efficiency.
3, soil-borne disease and nematode had preventive and therapeutic effect.
4, add turfy soil, increase the water-absorbent of particle fertilizer, play the purpose of soil moisture conservation water saving.
EmbodimentSeal chinaberry coated slow release particle fertilizer is mainly used in high plant and the field piece of multiple stubble index, and as garlic, ginger, shallot, Chinese medicine, flowers and protection ground raise crop, spread fertilizer over the fields on preceding ground in ploughing or ditch spread or spread manuer in holes when crop is transplanted and grows seedlings.Every mu of consumption 60～80kg when spread fertilizer over the fields on ground, ditch spread or every mu of consumption 40～60kg when spreading manuer in holes.
We use the fertile every mu of consumption 40～60kg of seal chinaberry coated slow release particle, spread manuer in holes when tomato is transplanted, and have carried out manure trial.Tested in November, 2002 and carry out in vegetables field, Gaomi City.Experimental plot soil is silty loam, organic content 1.48%, and pH value about 6.5, full N:0.052%, available P 11.2mg/kg, quick-acting K145mg/kg, farmyard manure 4000kg is executed for every mu in the leveling soil before the sowing, rakes after the soil is ploughed, and transplants.On November 10th, 2002 grew seedlings, and on January 10th, 2003 transplanted, and pressed the furrow plantation, every furrow two row, and line-spacing 2.8 chis, 25 centimeters of spacing in the rows spray sterilant, sterilant vegetative period for several times, water intertill and clean tillage 3 times 5 times.Test-results shows that (1) seal chinaberry coated slow release particle fertilizer is grown tomato growth and had no adverse effects; (2) use the processing of printing chinaberry coated slow release particle fertilizer, it is fast to return seedling, and vegetative period, tomato leaf look generation considerable change became deep green by light green, and until blackish green, plant strain growth is vigorous, and outward appearance is significantly better than conventional fertilizer application; Find out from surveying the product result that (3) conventional fertilizer application is in conjunction with the seal chinaberry coated slow release particle fertilizer of spreading manuer in holes, than single conventional fertilizer application volume increase 25.5～39.7%; (4) the soil-borne disease preventive effect 45～60%.
Embodiment 1
Fertile each component concentration of seal chinaberry coated slow release particle (in weight %, below all with) is: seal chinaberry kind seed cake powder 5, coal tar greasy filth 5, urea 80, turfy soil 10, the particle fertilizer of making through mixing, rolling granulation.
Embodiment 2
Fertile each component concentration of seal chinaberry coated slow release particle is: seal chinaberry kind seed cake powder 10, coal tar greasy filth 5, urea 75, turfy soil 10, through mix, rolling granulation and the particle fertilizer made.
Embodiment 3
Fertile each component concentration of seal chinaberry coated slow release particle is: seal chinaberry kind seed cake powder 15, coal tar greasy filth 5, urea 75, turfy soil 5, through mix, rolling granulation and the particle fertilizer made.
Embodiment 4
Fertile each component concentration of seal chinaberry coated slow release particle is: seal chinaberry kind seed cake powder 20, coal tar greasy filth 10, urea 60, turfy soil 10, through mix, rolling granulation and the particle fertilizer made.
Embodiment 5
Fertile each component concentration of seal chinaberry coated slow release particle is: seal chinaberry kind seed cake powder 25, coal tar greasy filth 10, urea 50, turfy soil 15, through mix, rolling granulation and the particle fertilizer made.
Table 1 is 2 pairs of tomato effects of the embodiment of the invention:
| Handle | Usage quantity (kilogram/mu) | Than conventional fertilizer application volume increase (%) | To soil-borne disease preventive effect (%) |
| Conventional fertilizer application+seal chinaberry coated slow release particle fertilizer | 40 | 25.5 | 45 |
| Conventional fertilizer application+seal chinaberry coated slow release particle fertilizer | 50 | 32.2 | 55 |
| Conventional fertilizer application+seal chinaberry coated slow release particle fertilizer | 60 | 39.7 | 60 |
| Conventional fertilizer application |
Annotate: above processing is to crop safety.
Claims (2)
1, a kind of seal chinaberry coated slow release particle fertilizer, it is characterized in that fertile each component of said particle represents with weight percent: seal chinaberry kind seed cake powder 5%～25%, coal tar greasy filth 5%～10%, urea 50%～80%, turfy soil 5%～15%, through mix, rolling granulation and the particle fertilizer made.
2, seal chinaberry coated slow release particle fertilizer according to claim 1, it is characterized in that printing chinaberry kind seed cake powder is that the seal chinaberry kind seedcake that seal chinaberry seed shells, oil is carried in cold press, solvent method extracts behind the nimbin was obtained through pulverizing 50 mesh sieves; Turfy soil is that commercially available turfy soil was obtained through pulverizing 50 mesh sieves; Urea is commercially available particulate state fertilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410024526 CN1242962C (en) | 2004-07-29 | 2004-07-29 | Nimbic coating slow release granular fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410024526 CN1242962C (en) | 2004-07-29 | 2004-07-29 | Nimbic coating slow release granular fertilizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1597643A CN1597643A (en) | 2005-03-23 |
| CN1242962C true CN1242962C (en) | 2006-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410024526 Expired - Fee Related CN1242962C (en) | 2004-07-29 | 2004-07-29 | Nimbic coating slow release granular fertilizer |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100439298C (en) * | 2005-12-16 | 2008-12-03 | 朱有明 | Insect and disease resistant ammonium humate organic composite fertilizer |
| CN101492310B (en) * | 2008-01-22 | 2012-11-14 | 中国农业科学院农业资源与农业区划研究所 | Composite sustained-release urea of organic materials and method of producing the same |
| WO2011070586A1 (en) * | 2009-12-07 | 2011-06-16 | Augustine Rajendran | Organic fertilizer for sustainable crop growth and management |
| CN101844948A (en) * | 2010-05-17 | 2010-09-29 | 山东省农业科学院土壤肥料研究所 | Use of natural azadirachtin plant material as nitrogen fertilizer synergist |
| CN101844953A (en) * | 2010-05-17 | 2010-09-29 | 山东省农业科学院土壤肥料研究所 | Special holozoic long-efficient fertilizer for gingers and preparation method thereof |
| CN101880183B (en) * | 2010-06-25 | 2013-03-13 | 九康生物科技发展有限责任公司 | Toosedarin biological fertilizer and preparation method thereof |
| CN102206031B (en) * | 2011-04-26 | 2013-08-21 | 周悦先 | Cleaning agent for urban sewage sludge and sludge treatment method |
| CN103524160B (en) * | 2013-10-15 | 2015-12-23 | 成都绿金生物科技有限责任公司 | A kind of Azadirachtin bio-organic fertilizer and preparation method thereof |
| CN105237231A (en) * | 2015-11-06 | 2016-01-13 | 唐睿 | Preparation method of neem cake organic fertilizer |
| CN106748573A (en) * | 2016-12-30 | 2017-05-31 | 北京中农富源生物工程技术有限公司 | A kind of chinaberry seed powder coated urea and preparation method |
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- 2004-07-29 CN CN 200410024526 patent/CN1242962C/en not_active Expired - Fee Related
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