CN103553770B - A kind of ecological fertilizer and production method thereof containing organic microbial - Google Patents
A kind of ecological fertilizer and production method thereof containing organic microbial Download PDFInfo
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Abstract
The invention discloses a kind of ecological fertilizer and the production method thereof that contain organic microbial, described ecological fertilizer is made up of three-decker, internal layer is compound fertilizer granule, with urease inhibitor and nitrification inhibitor coating as behind middle layer, the organic microbial coating agent that outer layer covers adopts active bacteria pack to prepare; Described production method comprises compound granulation, inhibitor coating, organic microbial parcel, production method of the present invention is simple, obtained ecological fertilizer comprehensive nutrition, bacterial manure blend together that high, the effective viable bacteria survival time of motility rate is long, inorganic nutrients is sufficient mutually and use conveniently, without the need to topdressing, facilitate chemical fertilizer to nontoxic, innoxious development, and this ecological fertilizer has obvious antagonistic action to continuous cropping pathogenic fungi, effective promotion bacterial multiplication, significantly improve soil microenvironment, fertile soil after crop harvesting, second stubble crop growth is better.
Description
Technical field
The invention belongs to organic microbial compound fertilizer production technical field, be specifically related to a kind of ecological fertilizer and the production method thereof that contain organic microbial.
Background technology
The carbon-nitrogen ratio of rich soil should at 25:1, and according to investigations, the carbon-nitrogen ratio of current soil is at 8 ~ 10:1,100,000,000 1 thousand 1 hundred ten thousand microorganism strains are about had in 1g soil, wherein useful bacterial strain only accounts for 2 ~ 5%, and harmful bacteria exceeds probiotics more than 3 times, and 80 ~ 90% harmful bacterias only consume nutrition and do not work, in soil, original probiotics is few, decompose organic matter, synthetic humic acids, in conversion soil insoluble mineral substance nutrient and nitrogen fixation weak.In the fertilizer that existing market is sold, fertilizer, bio-fertilizer, medium trace element is fertile, and containing organic matter, biological bacteria, medium trace element fertilizer, inorganic components is low, can not meet the demand of plant to N P and K; And composite fertilizer, Chemical Mixed Fertilizer, Controlled Release Fertilizer, film-coated and slow release fertilizer, N P and K meets plant demand, but contaminated soil, can not improve soil fertility.Organic and inorganic fertilizer, biological organic fertilizer, sulfur-coated urea, coating resin compounded fertilizer, urea formadehyde, micro organism composite fertilizer etc., just part solves the problem of chemical fertilizer release rate, fails fundamentally to solve soil fertility decline problem.For solving the problem of soil fertility decline, Some Enterprises utilizes microbial fertilizer and fertilizer mixed production biological organic fertilizer mutually, organic matter is the basis of soil fertility, and microorganism is the core drive of soil fertility formation and development, and biological organic fertilizer improves soil to a certain extent.And the quality of biological organic fertilizer quality, depend primarily on beneficial microorganism viable count and action intensity thereof in fertilizer, in order to ensure due viable count in fertilizer, some biological organic fertilizers are carrier with organism, manufacturing process be microorganism strains is mixed with chemical fertilizer fertilizer together with, and then dry, after being manured into soil, the direct chemical fertilizer of bacterial strain merges, and causes microbial death rate high like this, poor activity, contained inorganic fertilizer nutrient is low.Some compound fertilizer technologies adopt microbial inoculum and chemical fertilizer to separate remix after granulation, and fundamentally do not solve the problem of " bacterial manure can not mix mutually ", fertilising is inconvenient, and in product, viable bacteria survival time in soil is not long.
Application number is the patent " fertilizer containing microorganism that mycoderm method is produced and production method " of 201010102525.8, sporeformer is manufactured dry bacterial powder as production bacterial classification, through separation and purification after fermentation, cryodrying make bacterium number 180 ~ 20,000,000,000/gram, the active microbe powder of the drying of fineness more than 60 microns, by film forming material, be coated in fertiliser granulates surface.In this technique, internal layer fertiliser granulates used is organic fertilizer or chemical fertilizer, when internal layer adopts organic granular, organic matter can as microorganism carrier, but the macroelement such as the N P and K needed for plant are not provided, when internal layer adopts chemical fertilizer, the nonnutritive growing carrier of essence purification dry powder sporeformer, and be directly coated in fertilizer top layer, easily killed by the acid-basicity of fertilizer itself, the biological bacteria being coated in granulated fertilizer top layer is caused not have nutrition carrier, and survival is difficult on acid-basicity extra-heavy fertiliser granulates surface, in addition, biological bacteria is purified and make powdery content bacterium number 180 ~ 20,000,000,000/gram, not easily realize in actual production.
Summary of the invention
The present invention is to make up above-mentioned deficiency, a kind of ecological fertilizer and the production method thereof that contain organic microbial are provided, this production method is simple, obtained ecological fertilizer comprehensive nutrition, effectively viable bacteria survival time is long, inorganic nutrients is sufficient and use conveniently, without the need to topdressing, facilitate chemical fertilizer to nontoxic, innoxious development, and this ecological fertilizer has obvious antagonistic action to continuous cropping pathogenic fungi, effective promotion bacterial multiplication, significantly improve soil microenvironment, fertile soil after crop harvesting, second stubble crop growth is better.
A kind of ecological fertilizer containing organic microbial, described ecological fertilizer is made up of three-decker, and internal layer is compound fertilizer granule, with urease inhibitor and nitrification inhibitor coating as behind middle layer, outer layer covers organic microbial coating agent, described coating agent adopts active bacteria pack preparation.
The production method of the described ecological fertilizer containing organic microbial, comprises the following steps:
1. compound granulation: according to plant needs, proportioning macroelement and medium trace element, carry out complexing with polyglutamic acid, and then carry out cylinder granulation, hot-air seasoning, cooling are for subsequent use, obtained particle diameter is that the compound fertilizer granule of 2-3mm is as internal layer;
2. inhibitor coating: urease inhibitor, nitrification inhibitor film compound fertilizer granule;
3. organic microbial parcel: adopt liquid fermentation process, produce the liquid bio bacterium containing 1,000,000,000/gram viable bacteria, adopt active bacteria pack, liquid bio bacterium is directly admixed in organic matter, to form content be 2.5 hundred million/gram the organic matter containing biological bacteria; Add tackiness agent, medium trace element, plant-growth regulator again, add water and stir into viscous body as organic microbial coating agent, drop in packing machine and compound fertilizer granule is wrapped up;
4. normal temperature air-dry, screening, packaging, metering, warehouse-in.
As the further prioritization scheme of the present invention: described polyglutamic acid accounts for 1% of compound fertilizer granule quality, described urease inhibitor and nitrification inhibitor add-on are 2.5 ‰ of compound fertilizer granule quality, described organic microbial coating agent is 10% of compound fertilizer granule quality, and described organic microbial coating agent composition and content (wt%) thereof comprising: liquid bio bacterium 25%, organic matter 60%, plant-growth regulator 2.5 ‰, medium trace element 2.4 ~ 2.6%, tackiness agent 2.4 ~ 2.6%, water 10%.
As the further prioritization scheme of the present invention: described step 3. in, the processing parameter of encapsulation process is: temperature 52 ~ 58 DEG C, rotating speed 8 ~ 12 revs/min, Jacket thickness 2mm; Described organic matter selects humic acids, described tackiness agent adopts one or more in polyglutamic acid, carboxymethyl cellulose, polyvinyl alcohol, gelatin, and described plant-growth regulator adopts one or more in quick-acting amine DA-6 DA-6, forchlorfenuron, sodium nitrophenolate, rapin, Plant hormones regulators,gibberellins.
As the further prioritization scheme of the present invention: the mass ratio of described urease inhibitor, nitrification inhibitor is 1:1, the composition of described urease inhibitor and quality proportioning thereof are NBPT:HQ=1.5:1, and the composition of described nitrification inhibitor and quality proportioning thereof are DMPP:DCD=1:2.5.
As the further prioritization scheme of the present invention: described liquid bio bacterium is made up of subtilis, bacillusmusilaginosiengineering, Bacillus cereus, Bacillus licheniformis, the quantitative proportion of its each component is 2:2:1:1; Described liquid bio bacterium can also be made up of subtilis, bacillusmusilaginosiengineering, Bacillus cereus, bacillus laterosporus, and the quantitative proportion of its each component is 2:1.5:1:1.
Ecological fertilizer containing organic microbial of the present invention, with urease inhibitor and nitrification inhibitor coated compound fertilizer particle, outer layer covers organic microbial.Internal layer compound fertilizer granules adopts polyglutamic acid to carry out compound granulation as viscous material, polyglutamic acid has bonding, slowly-releasing, nutrition, water conservation, the characteristic such as biodegradable, the avidity of ion nutrient and root system can be promoted, the absorption of strengthening nitrogen, phosphorus, potassium and trace element, simultaneously, it effectively can slow down the release rate of internal layer compound fertilizer granule, fertilizer efficiency is more lasting, make the macroelement in soil and medium trace element remain on suitable concentration always, reach and both bond parcel needs, the needs of plant and microorganism growth growth can be met again.Urease inhibitor, nitrification inhibitor cooperation control nitrogen discharge and transform to harmful.The organic humic acid of outer employing, as microorganism carrier, makes the microbial survival phase longer, and collaborative plant-growth regulator, medium trace element, cooperation control reduces the loss of nutritive element.When after incorporation of fertilizerin the soil, outer microtube biology migrates in soil with water, in outer core, humic acid, medium trace element provide sufficient nutrition for microbial survival and gemma germinate, fertilizer kernel is met water and is formed high osmotic pressure region, microorganism can not be subject to chemical fertilizer granule osmotic pressure stress, and biological activity is given full play to.
The present invention adopts active bacteria pack, avoids the death of microorganism in the course of processing and to be caused death by chemical fertilizer high osmotic pressure after being manured into soil and soil Middle nutrition is barren causes the low drawback of surviving rate, reaching the object ensureing microorganism fertilizer efficiency.Preferred liquid biological bacteria is made up of subtilis, bacillusmusilaginosiengineering, Bacillus cereus, Bacillus licheniformis, preferred each component quantitative proportion is 2:2:1:1, or be made up of subtilis, bacillusmusilaginosiengineering, Bacillus cereus, bacillus laterosporus, the quantitative proportion of its each component is 2:1.5:1:1; These two kinds of liquid bio bacterium effectively by the pollutent in soil and the pollutent absorbing inside plants, can be converted into innoxious substance, and the coordination of microorganism and transformation and polyglutamic acid absorption, trophism, greatly can improve the quality of crop; And described microbial inoculum uses wide spectrum, and various soil, farm crop all can use, overcoming common micro-organisms composite fertilizer bacterial strain for want of nutrient, condition are uncomfortable in soil cannot the shortcoming of long-term surviving.
Urease inhibitor adopts NBPT(N-NBPT) and HQ(quinhydrones).NBPT inhibition is fine, significantly can reduce the volatility of ammonia, HQ inhibition not as NBPT, but in the total losses reducing nitrogen Be very effective, both are after 1.5:1 is optimized combination in mass ratio, and inhibition and effect of increasing production reach best.Nitrification inhibitor adopts DMPP(3,5-lutidine phosphoric acid salt) and DCD(Dyhard RU 100); DCD can suppress the activity of the soil microorganismss such as nitrite bacteria within for some time, enable the nitrogenous source long period applied with NH
4 +the form of-H exists, and for crop utilization, and stable physico-chemical property is to people and animals and environmentally friendly; DMPP uses lower consumption, can obtain good inhibition, and has height plant compatibility; Both are 1:2.5 compounding application in mass ratio, can regulate and control the NH of root system preferably
4 +-H concentration, optimizes the nitrogen nutrition supply situation of crop root, reduces Nitrate Accumulation and nitrogen oxide gas discharge.Urease inhibitor and nitrification inhibitor 1:1 compounding application, can the conversion process of Effective Regulation N, promotes output increased, reduces NO
3-deng the pollution to environment, add slow releasing function and the effect of microbial transformation balance coordination of polyglutamic acid, the present invention is enable to meet the nutrient demand amount in various each stage of crop growth, without the need to topdressing, farm crop not prosperous length in early stage, later stage is not de-fertile, fertile soil after crop harvesting, and second stubble crop growth is better.
The present invention is by designing and proportion optimizing product composition, need to adopt polyglutamic acid complexing macroelement and medium trace element as internal layer according to plant, urease inhibitor and nitrification inhibitor coated compound fertilizer particle, the organic microbial coating agent that outer layer covers adopts active bacteria pack to prepare, production method is simple, humic acid and inhibitor are combined, facilitate absorbing of chemical fertilizer, reduce the residual of chemical fertilizer and pollute, facilitate chemical fertilizer to nontoxic, innoxious development, improve the surviving rate of microorganism, protection microbic activity, effective viable bacteria survival time is long, the inorganic fertilizer nutrient not only overcome in composite microbiological fertilizer is low, bacterial manure separately fertilising uses inconvenience, bacterial manure blendes together the low drawback of motility rate mutually, and it is controlled to make microorganism add-on stablize, ensure constant product quality, this ecological fertilizer has obvious antagonistic action to continuous cropping pathogenic fungi, effective promotion bacterial multiplication, significantly improve soil microenvironment, simultaneously owing to changing product particle internal structure, the microorganism active in product is made to carry playing fully, function significantly improves, the effective integration of inorganic fertilizer, fertilizer, microbial inoculum, make comprehensive nutrition, fertilizer efficiency lasting, microorganism add-on is stablized controlled, constant product quality, and the microorganism active in product can play fully, effective viable bacteria survival time is long, and soil fertility significantly improves.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention will be further described:
Fig. 1 is the field Pareto diagram of wheat experiment field fertilizer applications.
Embodiment
Ecological fertilizer containing organic microbial and a production method thereof, comprise the following steps:
1. compound granulation: according to plant needs, proportioning macroelement and medium trace element, carry out complexing with polyglutamic acid 10g, then carries out cylinder granulation, hot-air seasoning, cooling are for subsequent use, obtained 1kg compound fertilizer granule;
2. inhibitor coating: by 2.5g urease inhibitor and nitrification inhibitor, film is in particle surface;
3. organic microbial parcel: adopt liquid fermentation process, produce the liquid bio bacterium containing 1,000,000,000/gram viable bacteria, get 25g liquid bio bacterium, admix in 60g humic acids, form the organic microbial microbial inoculum containing 2.5 hundred million/gram active bacteria; Add 2.5g medium trace element, polyglutamic acid 2.5g, 0.025g plant-growth regulator DA-6,10ml water again, add water and stir into viscous body as coating agent, drop in packing machine and compound fertilizer granule is wrapped up; Optimizing technology parameters is temperature 52 ~ 58 DEG C, rotating speed 8 ~ 12 revs/min, Jacket thickness 2mm;
4. oven drying at low temperature, screening, packaging, metering, warehouse-in.
Embodiment one
According to above-mentioned production technique, produce a kind of ecological fertilizer containing organic microbial of vegetable melon and fruit;
Select raw material to be needed for proportioning plant when macroelement and medium trace element: urea: 170g, ammonium chloride 280g, fused(calcium magnesium)phosphate 400g, Repone K 120g, add 30g polyglutamic acid; In inhibitor coating, urease inhibitor selects NBPT and HQ, DMPP and DCD selected by nitrification inhibitor, NBPT, HQ, DMPP, DCD consumption is respectively 0.6g, 0.4g, 0.28g, 0.72g, in 1000000000/gram liquid bio bacterium, containing subtilis, bacillusmusilaginosiengineering, Bacillus cereus, Bacillus licheniformis, the quantitative proportion of its each component is 2:2:1:1; 2.5g medium trace element comprises 1.2gCa, 0.6gMg, 0.5gS, Fe+Cu+Mo+B+Zn+Mn0.2g.
Field experiment:
A. test site
As if test site is located at Cha An township, Nanyang, henan city---watermelon Demonstration Base.
B. test design
Process 1: apply 40 kilograms, composite fertilizer's 100 kilograms+organic fertilizer;
Process 2: the microbiobacterial agent contained by fertilizer special for watermelon 100 kilograms+ecological fertilizer 3 kilograms;
Process 3: ecological fertilizer 80 kilograms;
Each treatment group chooses continuous cropping plot.
Different treatment is as follows respectively on the impact of watermelon growing, output, protection effect and microorganism:
Upper table shows, compared with different treatment contrasts with the main crop, continuous cropping, the field planting rate of watermelon does not exist significant difference, illustrates that soil microenvironment is on transplanting the surviving rate of watermelon seedling without impact; The stem of process in seedling stage is long and stem is thick is all obviously greater than continuous cropping contrast, illustrates that 3 process can both promote watermelon growing, especially best with the effect processing 3, and along with the carrying out of breeding time, 3 process the difference contrasted with continuous cropping and increase gradually, and stem reaches pole conspicuous level.
As seen from the above table, applying fertilizer special for watermelon and microbial inoculum can accelerate plant-growth, compared with process 3 contrasts with continuous cropping, can make shift to an earlier date 4d the flowering period of watermelon, ripening stage shifts to an earlier date 6d, simultaneously first time results melon weight, economic yield, average single melon weight and biological yield also corresponding increase, amplification respectively, be 46.7%, 50.9%, 23.8%, 66.7%, difference reaches pole conspicuous level.
As seen from the above table, process 3 reduces with its continuous cropping sickness rate of continuous cropping contrast ratio, and preventive effect can reach 75%, obviously inhibits continuous cropping diseases, but contrasts with the main crop and also there is certain difference; Process 2 and 3 shows, microbial inoculum apply the microbe population that can change in soil, the fungi in continuous cropping soil is reduced, fungi and main crop contrast difference not remarkable; In process 3, the quantity of the quantity of bacterium, vinelandii, B. mucilaginocus rises all to some extent, and visible ecological fertilising effectively can promote bacterial multiplication, significantly improves soil microenvironment; And the sickness rate of process 3 obviously reduces, show that ecological fertilising has obvious antagonistic action to watermelon continuous cropping pathogenic fungi.
Embodiment two
According to above-mentioned production technique, produce the ecological fertilizer containing organic microbial that a kind of grain class is special;
Select raw material to be needed for proportioning plant when macroelement and medium trace element: urea: 350g, primary ammonium phosphate 280g, potassium sulfate 350g, add 20g polyglutamic acid; In inhibitor coating, urease inhibitor selects NBPT and HQ, DMPP and DCD selected by nitrification inhibitor, NBPT, HQ, DMPP, DCD consumption is respectively 0.6g, 0.4g, 0.28g, 0.72g, in 1000000000/gram liquid bio bacterium, containing subtilis, bacillusmusilaginosiengineering, Bacillus cereus, bacillus laterosporus composition, the quantitative proportion of its each component is 2:1.5:1:1.2.5g medium trace element comprises 1.2gCa, 0.5gMg, 0.5gS, Fe+Cu+Mo+B+Zn+Mn0.25g.
Field experiment:
A. test site
Test site is located at county magistrate village, Xuchang City Xuchang and opens Han Ying village of township, and soil belongs to cinnamon soil class, and physical features is smooth, medium fertility, preceding crop cotton, per mu yield gined cotton about 60 kilograms.
B. test design
This test is winter wheat Wenmai 6 for studying thing, design 4 process, each process field area is 10 × 3.33 ㎡, each process repetition 3 times, field arrangement is random, and experimental plot is whole October 30, all will apply base fertilizer when whole ground for fertilise by processing scheme, on sowing winter wheat on October 31 (application rate is 15 kgs/acre), November 17 emerged.Second Year irrigate in grouting time on May 15 once.Period of seedling establishment sprays weeding for wheat agent once, and the jointing stage prevents banded sclerotial blight, red spider once, prevents and treats wheat aphid boot stage once, June 9 getting wheat.
Each processing scheme is as follows:
Process 1: local conventional fertilizer application (every mu bottom application N P and K 50 kilograms); (contrast)
Process 2: bottom application ecological fertilizer 30 pounds/acre;
Process 3: bottom application ecological fertilizer 35 pounds/acre;
Process 4: bottom application ecological fertilizer 40 pounds/acre;
The field arrangement of wheat experiment field fertilizer applications as shown in Figure 1.
When wheat is ripe, get 5 points respectively at random throughout, each some extraction 25 strain in reason group, investigation mu spike number, grain number per spike, claim thousand seed weight, result is as shown in the table:
Each treatment group same time gathers in the crops respectively, airing is done, statistics of weighing respectively actual output, and result is as shown in the table:
From above-mentioned two tables, compared with conventional fertilizer application, use ecological fertilizer, mu spike number increases, and the index such as grain number per spike, thousand seed weight is all significantly improved, obvious effect of increasing production.
According to the observation, use the wheat district of ecological fertilizer, wheat secondary root significantly increases, and root system is obviously flourishing, wheat absorb nutrient and moisture ability good, obvious effect of increasing production, the disease resistance (banded sclerotial blight, Powdery Mildew) of wheat significantly improves.
Claims (2)
1. the ecological fertilizer containing organic microbial, it is characterized in that: described ecological fertilizer is made up of three-decker, internal layer is compound fertilizer granule, with urease inhibitor and nitrification inhibitor coating as behind middle layer, outer layer covers organic microbial coating agent, described coating agent adopts active bacteria pack preparation; Described organic microbial coating agent is 10% of compound fertilizer granule quality, and described organic microbial coating agent composition and massfraction thereof comprise: liquid bio bacterium 25%, organic matter 60%, plant-growth regulator 2.5 ‰, medium trace element 2.4 ~ 2.6%, tackiness agent 2.4 ~ 2.6%, water 10%;
The production method of the described ecological fertilizer containing organic microbial comprises the following steps:
1. compound granulation: according to plant needs, proportioning macroelement and medium trace element, carry out complexing with polyglutamic acid, and then carry out cylinder granulation, hot-air seasoning, cooling are for subsequent use, obtained particle diameter is that the compound fertilizer granule of 2-3mm is as internal layer;
2. inhibitor coating: urease inhibitor, nitrification inhibitor film compound fertilizer granule;
3. organic microbial parcel: adopt liquid fermentation process, produce the liquid bio bacterium containing 1,000,000,000/gram viable bacteria, adopt active bacteria pack, liquid bio bacterium is directly admixed in organic matter, to form content be 2.5 hundred million/gram the organic matter containing biological bacteria; Add tackiness agent, medium trace element, plant-growth regulator again, add water and stir into viscous body as organic microbial coating agent, drop in packing machine and compound fertilizer granule is wrapped up;
4. normal temperature air-dry, screening, packaging, metering, warehouse-in;
Described polyglutamic acid add-on accounts for 1% of compound fertilizer granule quality, and described urease inhibitor and nitrification inhibitor add-on are 2.5 ‰ of compound fertilizer granule quality;
Described organic matter selects humic acids, described tackiness agent select in polyglutamic acid, carboxymethyl cellulose, polyvinyl alcohol, gelatin one or more;
Described plant-growth regulator adopt in quick-acting amine DA-6 DA-6, forchlorfenuron, sodium nitrophenolate, rapin, Plant hormones regulators,gibberellins one or more;
The mass ratio of described urease inhibitor, nitrification inhibitor is 1:1, and the composition of described urease inhibitor and quality proportioning thereof are NBPT:HQ=1.5:1, and the composition of described nitrification inhibitor and quality proportioning thereof are DMPP:DCD=1:2.5;
Described liquid bio bacterium is made up of subtilis (Bacillussubtilis), bacillusmusilaginosiengineering (Bacillusmucilaginosus), Bacillus cereus (Bacilluscereus.Frankland), Bacillus licheniformis (Baclicuslincheniformis), and the quantitative proportion of its each component is 2:2:1:1; Described liquid bio bacterium can also be made up of subtilis, bacillusmusilaginosiengineering, Bacillus cereus, bacillus laterosporus, and the quantitative proportion of its each component is 2:1.5:1:1.
2. the production method of the ecological fertilizer containing organic microbial as claimed in claim 1, it is characterized in that, the processing parameter of described encapsulation process is: temperature 52 ~ 58 DEG C, rotating speed 8 ~ 12 revs/min, Jacket thickness 2mm.
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| CN102140044A (en) * | 2010-01-29 | 2011-08-03 | 杨庆理 | Microorganism-containing fertilizer produced by mycoderm method and production method of fertilizer |
| WO2012038936A1 (en) * | 2010-09-23 | 2012-03-29 | Globachem | Use of single amino acids at low concentrations for influencing the life processes of crops |
| CN102936170A (en) * | 2012-11-22 | 2013-02-20 | 青岛深蓝肥业有限公司 | Microbial coating agent for preparing microbial compound fertilizer and preparation method thereof |
| CN103121884A (en) * | 2013-02-04 | 2013-05-29 | 河北根力多生物科技有限公司 | Preparation method of multifunctional bioprotein controlled release fertilizer |
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| JP2956440B2 (en) * | 1993-10-06 | 1999-10-04 | 不二製油株式会社 | Manufacture of fertilizer composition and fertilizer molding |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140044A (en) * | 2010-01-29 | 2011-08-03 | 杨庆理 | Microorganism-containing fertilizer produced by mycoderm method and production method of fertilizer |
| WO2012038936A1 (en) * | 2010-09-23 | 2012-03-29 | Globachem | Use of single amino acids at low concentrations for influencing the life processes of crops |
| CN102936170A (en) * | 2012-11-22 | 2013-02-20 | 青岛深蓝肥业有限公司 | Microbial coating agent for preparing microbial compound fertilizer and preparation method thereof |
| CN103121884A (en) * | 2013-02-04 | 2013-05-29 | 河北根力多生物科技有限公司 | Preparation method of multifunctional bioprotein controlled release fertilizer |
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