CN104355777B - Bioorganic-inorganic compound fertilizer containing nano-selenium and preparation method of bioorganic-inorganic compound fertilizer - Google Patents
Bioorganic-inorganic compound fertilizer containing nano-selenium and preparation method of bioorganic-inorganic compound fertilizer Download PDFInfo
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- CN104355777B CN104355777B CN201410677008.1A CN201410677008A CN104355777B CN 104355777 B CN104355777 B CN 104355777B CN 201410677008 A CN201410677008 A CN 201410677008A CN 104355777 B CN104355777 B CN 104355777B
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
Abstract
The invention discloses a bioorganic-inorganic compound fertilizer containing nano-selenium and a preparation method of the bioorganic-inorganic compound fertilizer. The bioorganic-inorganic compound fertilizer containing nano-selenium comprises crop straws, selenium dioxide, animal waste, municipal sewage sludge, urea, monoammonium phosphate or diammonium phosphate, potassium chloride, a silicon-potassium fertilizer, cellulase, lactobacillus, candida utilis, bacillus subtilis, bacillus licheniformis, sodium borate, an alkaline agent, phosphoric acid, water and the like. The bioorganic-inorganic compound fertilizer is prepared by the following steps: preparing nano-selenium through reduction reaction; fermenting; burdening; crushing; pelleting; drying; sieving; packaging; and the like. According to the bioorganic-inorganic compound fertilizer, the problem that inorganic selenium is difficultly converted into nano-selenium and the problem of resource utilization of waste are simultaneously solved; the fertilizer is capable of increasing the soil fertility and preventing soil from hardening; the crop quality is improved; and the method disclosed by the invention is mild in reaction condition, simple in process, relatively low in production cost and easy for industrial production, and has good economic benefits and social benefits.
Description
Technical field
The invention belongs to the harmless treatment of town and country garbage and resource reutilization technical field, are related at the garbage of town and country
The method of reason production fertilizer, more particularly to a kind of biological organic-inorganic composite fertilizer containing nanometer selenium and preparation method thereof.
Background technology
The problem that crop stalk goes back to field, waste resource recycling has become China's agricultural, industrial development receives much attention,
This is significant with environmental problem for following energy crisis is solved.Develop through years of researches, straw, feces, sludge
The technology for turning waste into wealth significantly is lifted, and there has also been disclosure using the technology of these garbage exploitation Agricultural Fertilizers.
In terms of using crop straws for producing fertilizer, Chinese patent CN03122742.2 and CN 03122743.0 distinguishes
Disclose with potassium hydroxide alkaline process paper-making pulping black liquor and potassium hydroxide aqueous solution materials to process vegetal at normal temperatures, adjust acid
Spend to pH4-9, after being directly mixed with nitrogenous fertilizer, MAP or Diammonium phosphate (DAP), middle trace element fertilizer or further fermented process
These inorganic fertilizer compositions are blended into, the method for manufacturing fertilizer or organic-inorganic composite fertilizer.Chinese patent CN02104939.
4 disclose and utilize acid-base material(Such as potassium hydroxide, phosphoric acid etc.)Materials to process vegetal, adjusts acidity to pH4-9 at normal temperatures
Afterwards, these are blended into after being directly mixed with nitrogenous fertilizer, MAP or Diammonium phosphate (DAP), middle trace element fertilizer or further fermented process
Inorganic fertilizer composition, the method for manufacturing fertilizer or organic-inorganic composite fertilizer.If these the method will ensure higher in fertilizer
Content of organics, it is necessary to increase the addition of black liquor, now substantial amounts of alkaline matter needs substantial amounts of acid neutralization, cost in solution
It is higher.Chinese patent CN200510086269.7 is disclosed the neutral ammonium sulfite liquor of Yong Nong Shrink and is mixed with powder of straw,
In rotary spherical digester, thermal conversion obtains organic fertilizer semi-finished product, obtains fertilizer after further treatment afterwards, and what the method was utilized is dilute Asia
Ammonium method paper-making pulping waste liquid, needs to use Jing after Zheng Fa Nong Shrink, relatively costly.
In terms of using municipal sludge production fertilizer, Chinese patent CN96122252.2 discloses municipal sludge or algae-residue Jing
Be dried, activation, mix with inorganic mineral fertilizer, the method that pelletize prepares Chemical Mixed Fertilizer, hot doing in the method, has simply been carried out to sludge
Dry processed, does not carry out humification conversion to sludge.101983952 B of Chinese patent CN are disclosed and are utilized urban life
The method of producing organic fertilizer from sludge, the method made after municipal sludge is carried out ferment in second time Agricultural organic fertilizer or
Carry out deep processing and make biological organic fertilizer or organic-inorganic compound mixed fertilizer.
In terms of using straw and sludge production fertilizer, Chinese CN 201210119634.X disclose one kind and utilize sewage
The method for the treatment of plant's sludge and crop straws for producing biological organic fertilizer, using straw decomposing inoculant, zymocyte, phosphorus decomposing, potassium decomposing, solid
Nitrogen bacterium, the sludge and agricultural residues powder with municipal sewage plant carry out aerobic fermentation as fermentation medium, the dirt fermented
Biological organic fertilizer is made in mud Jing balling-up pelletizes.CN101624302 A disclose a kind of mixed using alkaloid substance steaming and decocting straw and sludge
Compound produce fertilizer method, the method with the mixture of thickened sludge and vegetalitas powder of straw as raw material, main technological steps
Including:To account for after the medicament of the steaming and decocting decay agent alkaline matter and sodium pyrophosphate composition of the equivalent dry weight 8%~15% of raw material
Steaming and decocting 0.5-6 hours between 110-170 DEG C, the mixing that pH=4-9, straw and sludge are neutralized to mineral acid or organic acid
Mass ratio is controlled at (1-5): 20, then directly prepare organic commercial fertilizer or add appropriate nitrogen, phosphorus, potassium and trace element etc.
Chemical fertilizer prepare organic-inorganic composite fertilizer or it is separated after prepare liquid organic fertilizer.Chinese patent CN1316404A is disclosed
A kind of process of use preparing compound biologic organic fertilizer from solid waste, the method be by fermenting raw materials process, drying,
What nine processing steps such as crushing, dispensing were realized, it passes through biotechnology and physics technology of preparing will be nitrogen-fixing bacteria, phosphorus thin
The multiple beneficial microbial bacterial agent such as bacterium, B. mucilaginocus is inoculated on organic carrier, so that municipal wastewater processes sludge, urban life
The solid waste containing organic matter such as rubbish, fowl and animal excrement is changed into a kind of particular biological compoiste fertilizer.These technologies are universal
Have problems in that straw decomposing speed is slow and become thoroughly decomposed not thoroughly, some treatment temperatures are high, need to use high-temperature processing device,
Some strain fermentation high costs.
Selenium is the required micronutrient element of animals and humans.Daily intaking amount 60-400 μ g recommend in international selenium association, in it is state-run
Support association and recommend daily intaking amount 50-200 μ g.And according to China's nutritional survey, be grown up daily selenium intake only 26-32 μ g.Therefore,
It is common problem that population of China selemium nutrition is bad.China lacks selenium soil and accounts for the 72% of national area, lacks selenium population up to 100,000,000
It is many.The many endemicity of China disease occurred frequently, such as Keshan disease, Kaschin-Beck disease, cancer, cardiovascular and cerebrovascular disease, diabetes, infertility, machine
It is relevant with selenium intake deficiency in meals that body hypoimmunity and aging course etc. more than 40 plant disease.American scientist 1999 grinds
Study carefully and also confirm that selenium lacks the universals that consumption is aids patient in body.The substantially inorganic selenium that early stage most of selenium-enriched fertilizer is used
Such as sodium selenite etc., 1463955 A of Chinese patent CN disclose a kind of organic-inorganic compound selenium fertilizer, by weight calculating, rotten
Inorganic nutrients content 25-32% such as phytic acid content 10-20%, N P and K, wherein, the ratio between N P and K is N:K2O:P2O5=
12-20%:5-12%:4-10%, selenium fertilizer content 0.1-0.4%, the selenium fertilizer is sodium selenate (Na2SeO4) and sodium selenite
(Na2SeO3) or other selenates and selenite etc., humic acidss select brown coal powder or turf powder is major ingredient, add muck or
The compost made of stalks, sodium selenite soil application and foliage-spray, because of soil fixing and a large amount of drifts, not only selenium effectiveness is low, Er Qiean
Full property and less economical, therefore the selenium supplement measure of agricultural product production can not be become.
Nanometer selenium, biological selenium are a kind of effective selenium additives for solving inorganic selenium safety issue, and current method is main
That inorganic selenium are reduced by vitamin C, phenylhydrazine etc., biological selenium be then by process of crop growth mistake, by spraying inorganic selenium,
Make Crop and bioconversion occurs and obtains, and it is current selenium-rich that the nanometer selenium or biological selenium of commercialization are added in fertilizer
The main source of selenium in fertilizer.101665384 B of Chinese patent CN disclose a kind of Se-enriched bio-organic fertilizer, its component and
Its percentage by weight is chicken manure or pig manure 55%-65%, oil cake 9%-7%, bran coat 21%-12.1%, selenium mineral powder 14%-15%, micro- fertilizer
0.9%-0.8%, selenium-rich sweetener 0.05% and FW1 biological preparation 0.05%, its production technology are to get the raw materials ready, activate, deodorizing, mixing
The source of conjunction, spice, inoculation, fermentation, drying, screening and packaging, wherein selenium adopts biological selenium.Nanometer selenium is typically by dimension life at present
Plain C, hydrazine hydrate etc. reduce sodium selenite and obtain, and as the storage requirement of solid nano selenium is harsher, need liquid condition
Preserve, so reducing sodium selenite in vitamin C as adsorbing medium frequently with attached body medium such as shitosan, chitin etc.
There is adsorption simultaneously, make the pressed powder containing nanometer selenium, be added in fertilizer, make nanometer selenium fertilizer, what is had is direct
Purchase nanometer selenium liquid prepares foliage fertilizer.As commercially available nanometer selenium preparation process and storage process have high demands, the acquisition of biological selenium
Need process longer, price is higher, cause the cost of fertilizer to raise.
In sum, town and country offal treatment production fertilizer and the safe selenium of addition will be solved simultaneously, it is necessary to from garbage
Compositing characteristic sets out, and using its biological effective components, obtains a kind of using using straw, feces, dirt by corresponding technology
The method that mud produces nanometer selenium biological organic-inorganic fertilizer.
The content of the invention
It is an object of the invention in place of overcoming the deficiencies in the prior art, it is dirty with crop material, animal wastes, urban life
A kind of mud as a raw material, there is provided biological organic-inorganic composite fertilizer containing nanometer selenium, and using reducing substanceses in crop material
Reduction selenium dioxide production nanometer selenium, with reference to microbial fermentation technology, produces the biological organic-inorganic composite fertilizer containing nanometer selenium
Preparation method.
The technical scheme is that:By the analysis constituted to garbage, using reducing substanceses in crop material also
Former selenium dioxide produces nanometer selenium, ferments with municipal sludge, animal wastes, and addition N P and K, trace element prepare nanometer
Selenium biological organic-inorganic composite fertilizer.
The present invention is realized in the following way:
A kind of biological organic-inorganic composite fertilizer containing nanometer selenium, the raw material comprising following parts by weight:Agricultural crop straw
100-200 parts, selenium dioxide 0.1-1.2 parts, animal wastes 100-300 parts, municipal sludge 300-800 parts, carbamide 150-
350 parts, MAP or Diammonium phosphate (DAP) 70-200 part, potassium chloride 100-300 parts, Si-K fertilizer 50-100 parts, cellulase 0.1-5
Part, lactobacilluss 0.2-6 parts, Candida utilis 0.5-10 parts, bacillus subtilises 0.2-8 parts, bacillus licheniformis 0.1-4
Part, Borax 1-10 parts, alkaline agent 1-15 parts, appropriate phosphoric acid, water 1000-2000 parts.
A kind of above-described biological organic-inorganic composite fertilizer containing nanometer selenium, the agricultural crop straw include Oryza sativa L.
One or more of straw, corn straw, wheat stalk, Caulis Sacchari sinensis straw.
A kind of above-described biological organic-inorganic composite fertilizer containing nanometer selenium, the alkaline agent are sodium hydroxide, hydrogen
One or more of calcium oxide, quick lime, ammonia.
A kind of above-described biological organic-inorganic composite fertilizer containing nanometer selenium, the carbamide are slow carbamide or bag
Film slow-release carbamide.
A kind of above-described biological organic-inorganic composite fertilizer containing nanometer selenium, the raw material comprising following parts by weight:
100 parts of agricultural crop straw, 0.7 part of selenium dioxide, 200 parts of animal wastes, 600 parts of municipal sludge, 200 parts of carbamide, phosphoric acid
One ammonium or 110 parts of Diammonium phosphate (DAP), 150 parts of potassium chloride, 80 parts of Si-K fertilizer, 0.8 part of cellulase, 2 parts of lactobacilluss, Candida utilis ferment
Female 6 parts, 3 parts of bacillus subtilises, 2 parts of bacillus licheniformis, 6 parts of Borax, 6 parts of alkaline agent, 1400 parts of water.
A kind of preparation method of above-described biological organic-inorganic composite fertilizer containing nanometer selenium, comprises the following steps:
(1)Prepare nanometer selenium:Take agricultural crop straw 100-200 parts, be crushed to length for be placed in after 1-3 centimetre plastic channel or
Chi Zhong, adds water 1000-2000 parts, stirring to add carbamide 5-10 parts, 10-20 minutes is stirred at room temperature, alkaline agent 1- is added
15 parts, place 1-4 days, add selenium dioxide 0.1-1.2 parts, stir 5-10 minutes, place 1-2 days, it is red when occurring on straw
Straw is taken out after nanometer selenium, the pH of straw is determined, phosphoric acid adjustment straw pH to 5-9 is sprayed as needed;
(2)Fermentation:After by municipal sludge 300-800 parts, animal wastes 100-300 parts mixed fermentation sterilizing, add
The straw of above-mentioned attachment nanometer selenium, stirs, and adds cellulase 0.1-5 parts, lactobacilluss 0.2-6 parts, Candida utilis
0.5-10 parts, bacillus subtilises 0.2-8 parts, bacillus licheniformis 0.1-4 parts are mixed thoroughly, and room temperature is fermented 3-10 days;
(3)Dispensing:Carbamide 150-340 parts, potassium chloride 100-300 parts, MAP or phosphoric acid are added toward tunning
Diammonium 70-200 parts, Borax 1-10 parts, Si-K fertilizer 50-100 parts, mix homogeneously;
(4)Fertilizer is processed:By step(3)Obtained fertilizer carries out crushing, pelletize, drying, sieves and is packaged to be containing receiving
Biological organic-the inorganic composite fertilizer of rice selenium.
The principle of the present invention:
Cellulase(Cellulase):It is main by circumscribed 1,4 beta-glucanase, Endo-β-glucanase, beta-glucosidase,
Xylanase etc. is constituted.Cellulase in decomposition of cellulose from biocatalysis, can by cellulose decomposition be oligosaccharide or
Polysaccharide, in the present invention major catalytic decompose agricultural crop straw in cellulose, make agricultural crop straw become thoroughly decomposed and produce oligosaccharide or
Monosaccharide supplies to utilize during fermentable.
Lactobacilluss(Lactobacillaceae):Gram-positive, sporeless bacterium.Lactobacilluss are acidproof, and optimum pH is
5.5~5.8, it is even lower;The ability that the bacterium decomposes sugar is strong, and the major end products for decomposing sugar are lactic acid, can utilize crops
The saccharide and municipal sludge of straw generation and the organic matter in animal wastes carry out metabolism, generate supporting for the easy absorption of plant
Point.
Candida utilis:Mycocandida, bacterium colony milky are smoothed, with or without gloss, neat in edge or mycelioid,
Saccharide and the city life of agricultural crop straw generation can be utilized using carbamide and nitric acid as nitrogen source fermentation pentose and hexose
Organic matter in sludge living and animal wastes carries out metabolism, generates the nutrient that plant easily absorbs
Bacillus subtilises(Bacillus subtilis):Gram-positive, bacillus, without pod membrane, Zhousheng whip
Hair, can move.The bacterium available protein, various sugar and starch, decompose tryptophan and form indole, can utilize agricultural crop straw
Organic matter in the saccharide and municipal sludge of generation and animal wastes carries out metabolism, generates the nutrient that plant easily absorbs.
Bacillus licheniformis(Bacillus licheniformis):Gram-positive, Bacillaceae, cellular morphology and
Arrangement is in shaft-like, Dan Sheng.The bacterium can decompose the poisonous and harmful substance in municipal sludge and animal wastes, with stronger
Protease, lipase, diastatic activity, promote organic matter degradation, make plant more abundant to absorbing for fertilizer.
Alkaline agent:PH is adjusted, makes selenium dioxide generate nanometer selenium at the appropriate ph.
Phosphoric acid:PH is adjusted, is that cellulase and microorganism fungus kind carry out biochemical reaction at the appropriate ph.
Advantages of the present invention and good effect:
1st, the present invention produces nanometer selenium biological organic-inorganic fertilizer using agricultural crop straw, feces, sludge, while solving
The resource problem of municipal sludge, the pollution control of animal wastes and recycling problem, vegetable waste is especially
It is the recycling problem of straw.
2nd, nanometer selenium is prepared using the reduction components in crop material in fertilizer production, by becoming thoroughly decomposed for vegetalitas straw
Solve the problems, such as that inorganic selenium are converted into nanometer selenium again simultaneously.
3rd, the present invention is directly using the reducing substanceses preparation nanometer selenium in straw, with from market directly buy nanometer selenium or
The method that vitamin C, hydrazine hydrate reduction method prepare nanometer selenium is more more economical, can reduce the cost of fertilizer, and can protect
The quality of card nanometer selenium, improves its bioavailability.
4th, nanometer selenium biological organic-inorganic fertilizer of the invention is rich in selenium, organic matter, multiple beneficial biology and lot of trace unit
Element, collects specially good effect, potentiation of long-acting, inorganic micro- fertilizer of biological organic fertilizer of selenium fertilizer etc. and acts on one, lives in can improving soil
The selemium nutrition of change, increases the content of organic matter in soil, prevents soil block, increase soil fertility and water conservation drought-resistant ability.
5th, Jing field tests show, the nanometer selenium biological organic-inorganic fertilizer of the present invention compared with other organic-inorganic fertilizers,
Crop yield and Se content can be significantly improved.
6th, the method that utilization crop material of the invention, feces, sludge produce nanometer selenium biological organic-inorganic fertilizer, its
Reaction condition is gentle, process is simple, processing ease, it is easy to which industrialized production, production cost are relatively low, can effectively reduce environment dirty
Dye, improves Ecological Environment, with good economic benefit, ecological benefits and social benefit, has a extensive future.
Specific embodiment
Below by embodiment, the invention will be further described, so that advantages and features of the invention are easier to be managed
Solution, but protection scope of the present invention is not limited to these embodiments.
Embodiment 1
A kind of biological organic-inorganic composite fertilizer containing nanometer selenium, the raw material comprising following parts by weight:Agricultural crop straw
200 parts, 1.2 parts of selenium dioxide, 300 parts of animal wastes, 800 parts of municipal sludge, 310 parts of slow carbamide, MAP 180
Part, 250 parts of potassium chloride, 100 parts of Si-K fertilizer, 0.5 part of cellulase, 1 part of lactobacilluss, 10 parts of Candida utilis, hay spore
2 parts of bacillus, 3 parts of bacillus licheniformis, 10 parts of Borax, 8 parts of alkaline agent, appropriate phosphoric acid, 2000 parts of water;The agricultural crop straw bag
Include Oryza sativa L., Semen Maydiss, Semen Tritici aestivi and Caulis Sacchari sinensis straw;The alkaline agent includes calcium hydroxide, sodium hydroxide.
Its preparation method is:
(1)Prepare nanometer selenium:Take 200 parts of agricultural crop straw, length is crushed to be placed in Plastic Drum after 1-3 centimetre, plus
Enter 2000 parts of water, 10 parts of slow carbamide added after stirring, stir 10 minutes, add 8 parts of alkaline agent, place 4 days, add under room temperature
1.2 parts of selenium dioxide, stirring 5 minutes, place 1 day, straw are taken out after occurring red nano selenium on straw, determine straw
PH, sprinkling phosphoric acid adjustment straw pH to 5;
(2)Fermentation:After by 300 parts of animal wastes, 800 parts of mixed fermentation sterilizings of municipal sludge, above-mentioned attachment is added
The straw of nanometer selenium, stirs, and adds cellulase 0.5,1 part of lactobacilluss, 10 parts of Candida utilis, bacillus subtilises
2 parts, 3 parts of bacillus licheniformis, room temperature ferment 10 days;
(3)Dispensing:300 parts of slow carbamide, 180 parts of MAP, 250 parts of potassium chloride, Borax are added toward tunning
10 parts, 100 parts of Si-K fertilizer, mix homogeneously;
(4)Fertilizer is processed:By step(3)Obtained fertilizer carries out crushing, pelletize, drying, packaging of sieving.
Embodiment 2
A kind of biological organic-inorganic composite fertilizer containing nanometer selenium, the raw material comprising following parts by weight:Agricultural crop straw
100 parts, 0.1 part of selenium dioxide, 100 parts of animal wastes, 300 parts of municipal sludge, 255 parts of coated slow-release urea, di(2-ethylhexyl)phosphate
It is 200 parts of ammonium, 300 parts of potassium chloride, 50 parts of Si-K fertilizer, 0.1 part of cellulase, 0.2 part of lactobacilluss, 10 parts of Candida utilis, withered
8 parts of careless bacillus cereuss, 0.1 part of bacillus licheniformis, 8 parts of Borax, 1 part of alkaline agent, appropriate phosphoric acid, 1000 parts of water;The farming
Thing straw includes Oryza sativa L., Semen Tritici aestivi and Caulis Sacchari sinensis straw;The alkaline agent includes sodium hydroxide, quick lime.
Its preparation method is:
(1)Prepare nanometer selenium:Take 100 parts of agricultural crop straw, length is crushed to be placed in Plastic Drum after 1-3 centimetre, plus
Enter 1000 parts of water, stirring after add 5 parts of coated slow-release urea, under room temperature stir 15 minutes, add 1 part of alkaline agent, place 3 days,
0.1 part of selenium dioxide, stirring 10 minutes are added, is placed 1 day, straw is taken out after occurring red nano selenium on straw, determine straw
The pH of stalk, sprinkling phosphoric acid adjustment straw pH to 7;
(2)Fermentation:After by 100 parts of animal wastes, 300 parts of mixed fermentation sterilizings of municipal sludge, above-mentioned attachment is added
The straw of nanometer selenium, stirs, and adds 0.1 part of cellulase, 0.2 part of lactobacilluss, 10 parts of Candida utilis, hay spore
8 parts of bacillus, 0.1 part of bacillus licheniformis, room temperature ferment 5 days.
(3)Dispensing:Toward tunning add 250 parts of coated slow-release urea, 200 parts of Diammonium phosphate (DAP), 300 parts of potassium chloride,
8 parts of Borax, 50 parts of Si-K fertilizer, mix homogeneously.
(4)Fertilizer is processed:By step(3)Obtained fertilizer carries out crushing, pelletize, drying, packaging of sieving.
Embodiment 3
A kind of biological organic-inorganic composite fertilizer containing nanometer selenium, the raw material comprising following parts by weight:Agricultural crop straw
150 parts, 0.5 part of selenium dioxide, 200 parts of animal wastes, 500 parts of municipal sludge, 350 parts of slow carbamide, Diammonium phosphate (DAP) 90
Part, 150 parts of potassium chloride, 50 parts of Si-K fertilizer, 5 parts of cellulase, 6 parts of lactobacilluss, 0.5 part of Candida utilis, bacillus subtilis
0.2 part of bacterium, 4 parts of bacillus licheniformis, 5 parts of Borax, 8 parts of alkaline agent, appropriate phosphoric acid, 1800 parts of water;The agricultural crop straw bag
Include Semen Maydiss, Semen Tritici aestivi and Caulis Sacchari sinensis straw;The alkaline agent includes sodium hydroxide, calcium hydroxide and ammonia.
Its preparation method is:
(1)Prepare nanometer selenium:Take 150 parts of agricultural crop straw, length is crushed to be placed in Plastic Drum after 1-3 centimetre, plus
Enter 1800 parts of water, 10 parts of slow carbamide added after stirring, stir 18 minutes, add 8 parts of alkaline agent, place 1 day, add under room temperature
0.5 part of selenium dioxide, stirring 7 minutes, place 2 days, straw are taken out after occurring red nano selenium on straw, determine straw
PH, sprinkling phosphoric acid adjustment straw pH to 8;
(2)Fermentation:After by 200 parts of animal wastes, 500 parts of mixed fermentation sterilizings of municipal sludge, above-mentioned attachment is added
The straw of nanometer selenium, stirs, and adds 5 parts of cellulase, 6 parts of lactobacilluss, 0.5 part of Candida utilis, bacillus subtilis
0.2 part of bacterium, 4 parts of bacillus licheniformis, room temperature ferment 8 days.
(3)Dispensing:340 parts of slow carbamide, 90 parts of Diammonium phosphate (DAP), 150 parts of potassium chloride, Borax 5 are added toward tunning
Part, 50 parts of Si-K fertilizer, mix homogeneously.
(4)Fertilizer is processed:By step(3)Obtained fertilizer carries out crushing, pelletize, drying, packaging of sieving.
Embodiment 4
A kind of biological organic-inorganic composite fertilizer containing nanometer selenium, the raw material comprising following parts by weight:Agricultural crop straw
180 parts, 0.8 part of selenium dioxide, 150 parts of animal wastes, 400 parts of municipal sludge, 190 parts of coated slow-release urea, di(2-ethylhexyl)phosphate
70 parts of ammonium, 120 parts of potassium chloride, 80 parts of Si-K fertilizer, 4 parts of cellulase, 5 parts of lactobacilluss, 0.5 part of Candida utilis, hay bud
4 parts of spore bacillus, 3 parts of bacillus licheniformis, 3 parts of Borax, 10 parts of alkaline agent, appropriate phosphoric acid, 1200 parts of water;The agricultural crop straw
Including Oryza sativa L. and corn straw;The alkaline agent includes sodium hydroxide and ammonia.
Its preparation method is:
(1)Prepare nanometer selenium:Take 180 parts of agricultural crop straw, length is crushed to be placed in Plastic Drum after 1-3 centimetre, plus
Enter 1200 parts of water, stirring after add 10 parts of coated slow-release urea, under room temperature stir 12 minutes, add 10 parts of alkaline agent, place 2
My god, 0.8 part of selenium dioxide, stirring 6 minutes are added, is placed 1 day, straw is taken out after occurring red nano selenium on straw, determine
The pH of straw, sprinkling phosphoric acid adjustment straw pH to 6;
(2)Fermentation:After by 150 parts of animal wastes, 400 parts of mixed fermentation sterilizings of municipal sludge, above-mentioned attachment is added
The straw of nanometer selenium, stirs, and adds 4 parts of cellulase, 5 parts of lactobacilluss, 0.5 part of Candida utilis, bacillus subtilis
4 parts of bacterium, 3 parts of bacillus licheniformis, room temperature ferment 6 days.
(3)Dispensing:180 parts of coated slow-release urea, 70 parts of Diammonium phosphate (DAP), 120 parts of potassium chloride, boron are added toward tunning
3 parts of sand, 80 parts of Si-K fertilizer, mix homogeneously.
(4)Fertilizer is processed:By step(3)Obtained fertilizer carries out crushing, pelletize, drying, packaging of sieving.
Embodiment 5
A kind of biological organic-inorganic composite fertilizer containing nanometer selenium, the raw material comprising following parts by weight:Agricultural crop straw
160 parts, 1.0 parts of selenium dioxide, 250 parts of animal wastes, 650 parts of municipal sludge, 278 parts of slow carbamide, MAP 150
Part, 210 parts of potassium chloride, 90 parts of Si-K fertilizer, 2 parts of cellulase, 2 parts of lactobacilluss, 8 parts of Candida utilis, bacillus subtilises 6
Part, 0.5 part of bacillus licheniformis, 7 parts of Borax, 5 parts of alkaline agent, appropriate phosphoric acid, 1500 parts of water;The agricultural crop straw includes jade
Rice and wheat stalk;The alkaline agent includes sodium hydroxide, quick lime and ammonia.
Its preparation method is:
(1)Prepare nanometer selenium:Take 160 parts of agricultural crop straw, length is crushed to be placed in Plastic Drum after 1-3 centimetre, plus
Enter 1500 parts of water, 8 parts of slow carbamide added after stirring, stir 17 minutes, add 10 parts of alkaline agent, place 4 days, add under room temperature
1.0 parts of selenium dioxide, stirring 9 minutes, place 2 days, straw are taken out after occurring red nano selenium on straw, determine straw
PH, sprinkling phosphoric acid adjustment straw pH to 9;
(2)Fermentation:After by 250 parts of animal wastes, 650 parts of mixed fermentation sterilizings of municipal sludge, above-mentioned attachment is added
The straw of nanometer selenium, stirs, and adds 2 parts of cellulase, 2 parts of lactobacilluss, 8 parts of Candida utilis, bacillus subtilises 6
Part, 0.5 part of bacillus licheniformis, room temperature ferment 7 days.
(3)Dispensing:270 parts of slow carbamide, 150 parts of MAP, 210 parts of potassium chloride, Borax 7 are added toward tunning
Part, 90 parts of Si-K fertilizer, mix homogeneously.
(4)Fertilizer is processed:By step(3)Obtained fertilizer carries out crushing, pelletize, drying, packaging of sieving.
Embodiment 6
A kind of biological organic-inorganic composite fertilizer containing nanometer selenium, the raw material comprising following parts by weight:Agricultural crop straw
120 parts, 0.6 part of selenium dioxide, 200 parts of animal wastes, 500 parts of municipal sludge, 226 parts of slow carbamide, MAP 150
Part, 180 parts of potassium chloride, 100 parts of Si-K fertilizer, 5 parts of cellulase, 3.5 parts of lactobacilluss, 9 parts of Candida utilis, bacillus subtilis
1 part of bacterium, 1.5 parts of bacillus licheniformis, 6 parts of Borax, 11 parts of alkaline agent, appropriate phosphoric acid, 2000 parts of water;The agricultural crop straw bag
Include Semen Maydiss, Semen Tritici aestivi and Caulis Sacchari sinensis straw;The alkaline agent includes calcium hydroxide and ammonia.
Its preparation method is:
(1)Prepare nanometer selenium:Take 120 parts of agricultural crop straw, length is crushed to be placed in Plastic Drum after 1-3 centimetre, plus
Enter 2000 parts of water, 6 parts of slow carbamide added after stirring, stir 18 minutes, add 11 parts of alkaline agent, place 2 days, add under room temperature
0.6 part of selenium dioxide, stirring 6 minutes, place 2 days, straw are taken out after occurring red nano selenium on straw, determine straw
PH, sprinkling phosphoric acid adjustment straw pH to 5;
(2)Fermentation:After by 200 parts of animal wastes, 500 parts of mixed fermentation sterilizings of municipal sludge, above-mentioned attachment is added
The straw of nanometer selenium, stirs, and adds 5 parts of cellulase, 3.5 parts of lactobacilluss, 9 parts of Candida utilis, bacillus subtilis
1 part of bacterium, 1.5 parts of bacillus licheniformis, room temperature ferment 10 days.
(3)Dispensing:220 parts of slow carbamide, 150 parts of MAP, 180 parts of potassium chloride, Borax 6 are added toward tunning
Part, 100 parts of Si-K fertilizer, mix homogeneously.
(4)Fertilizer is processed:By step(3)Obtained fertilizer carries out crushing, pelletize, drying, packaging of sieving.
Application Example 1
By according to the biological organic-inorganic composite fertilizer containing nanometer selenium prepared by embodiment 6 be applied to Oryza sativa L., Semen Maydiss,
The crops such as Caulis Sacchari sinensis, Chinese cabbage, Fructus Lycopersici esculenti, determine the average units increased in production and Se content of crops after harvest, the present invention containing receiving
Biological organic-the inorganic composite fertilizer of rice selenium is as shown in table 1 to the exercising result for improving Crop yield and quality:
1 compound fertilizer of the present invention of table is to crops action effect
Crop | Average volume increase/% | Se content ug/kg |
Oryza sativa L. | 20.6 | 223 |
Semen Maydiss | 21.5 | 170 |
Caulis Sacchari sinensis | 18.3 | 274 |
Chinese cabbage | 23.9 | 201 |
Fructus Lycopersici esculenti | 17.8 | 132 |
Claims (3)
1. a kind of biological organic-inorganic composite fertilizer containing nanometer selenium, it is characterised in that:Raw material comprising following parts by weight:
150 parts of agricultural crop straw, 0.5 part of selenium dioxide, 200 parts of animal wastes, 500 parts of municipal sludge, 350 parts of slow carbamide,
MAP or 90 parts of Diammonium phosphate (DAP), 150 parts of potassium chloride, 50 parts of Si-K fertilizer, 5 parts of cellulase, 6 parts of lactobacilluss, Candida utilis
0.5 part of yeast, 0.2 part of bacillus subtilises, 4 parts of bacillus licheniformis, 5 parts of Borax, 8 parts of alkaline agent, appropriate phosphoric acid, water 1800
Part;
A kind of preparation method of the biological organic-inorganic composite fertilizer containing nanometer selenium is comprised the following steps:
(1)Prepare nanometer selenium:Take 150 parts of agricultural crop straw, length be crushed to be placed in Plastic Drum after 1-3 centimetre, add water
1800 parts, add 10 parts of slow carbamide after stirring, stir 18 minutes under room temperature, add 8 parts of alkaline agent, place 1 day, add dioxy
Change 0.5 part of selenium, stirring 7 minutes, place 2 days, straw is taken out after occurring red nano selenium on straw, determine the pH of straw, spray
Spill phosphoric acid adjustment straw pH to 8;
(2)Fermentation:After by 200 parts of animal wastes, 500 parts of mixed fermentation sterilizings of municipal sludge, above-mentioned attachment nanometer is added
The straw of selenium, stirs, and adds 5 parts of cellulase, 6 parts of lactobacilluss, 0.5 part of Candida utilis, bacillus subtilises 0.2
Part, 4 parts of bacillus licheniformis, room temperature ferment 8 days;
(3)Dispensing:340 parts of slow carbamide, 90 parts of Diammonium phosphate (DAP), 150 parts of potassium chloride, 5 parts of Borax, silicon are added toward tunning
50 parts of potash fertilizer, mix homogeneously;
(4)Fertilizer is processed:By step(3)Obtained fertilizer carries out crushing, pelletize, drying, packaging of sieving.
2. a kind of biological organic-inorganic composite fertilizer containing nanometer selenium according to claim 1, it is characterised in that:It is described
Agricultural crop straw includes one or more of rice straw, corn straw, wheat stalk, Caulis Sacchari sinensis straw.
3. a kind of biological organic-inorganic composite fertilizer containing nanometer selenium according to claim 1, it is characterised in that:It is described
Alkaline agent is sodium hydroxide, calcium hydroxide, quick lime, one or more of ammonia.
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CN101781144B (en) * | 2009-12-31 | 2013-11-06 | 苏州硒谷科技有限公司 | Selenium-enriched strawberry nutrient, preparation and application thereof |
CN102643128A (en) * | 2012-04-09 | 2012-08-22 | 湖北圣峰药业有限公司 | Nano-selenium compound fertilizer |
CN102942392A (en) * | 2012-11-29 | 2013-02-27 | 晓健科技(大连)有限公司 | Selenium-enriched biofertilizer and preparation method thereof |
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