CN105585393A - Double-layer microbial fertilizer and preparation method thereof - Google Patents

Double-layer microbial fertilizer and preparation method thereof Download PDF

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Publication number
CN105585393A
CN105585393A CN201610142626.5A CN201610142626A CN105585393A CN 105585393 A CN105585393 A CN 105585393A CN 201610142626 A CN201610142626 A CN 201610142626A CN 105585393 A CN105585393 A CN 105585393A
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fertilizer
parts
double
agent
internal layer
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吴德华
丁耀平
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Shandong Zhi Feng Agrochemical Group Co Ltd
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Shandong Zhi Feng Agrochemical Group Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/80Soil conditioners
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05BPHOSPHATIC FERTILISERS
    • C05B7/00Fertilisers based essentially on alkali or ammonium orthophosphates

Abstract

The invention discloses a double-layer microbial fertilizer and a preparation method thereof and belongs to the technical field of fertilizers. The fertilizer is composed of 40-50 parts of an inorganic compound fertilizer, 18-25 parts of an inner layer film coverage agent, 60-80 parts of an organic fertilizer, 3-5 parts of binder and 20-25 parts of an outer layer film coverage agent; the inorganic compound fertilizer serves as an inner layer fertilizer core and is wrapped by the inner layer film coverage agent, the organic compound fertilizer is bonded outside the inner layer film coverage agent, and finally the surface of the organic compound fertilizer is wrapped by the outer layer film coverage agent, so that a final product is obtained. The double-layer microbial fertilizer is rich in multiple types of nutrient elements, has a quite good controlled release effect and can maintain the stable and low release speed in the entire release process of nutrient, the release amount of different types of nutrient is matched with nutrient required by crops in the growing cycle, all nutritional constituents required by the crops in different growing periods can be provided, the yield-increasing effect is obvious, the attack rate of plant diseases and insect pests is low, the generation rate of malformed fruits is low, and extremely high application and popularization value is achieved.

Description

A kind of double-deck microbial-bacterial fertilizer and preparation method thereof
Technical field
The present invention relates to a kind of slow-release or control-release fertilizer, specifically a kind of double-deck microbial-bacterial fertilizer and preparation method thereof, belongs to technical field of fertilizers.
Background technology
Fertilizer is the important leverage of increases in grain production, and in the world today, chemical fertilizer accounts for 50% to the contribution rate of increases in grain production. China is maximum country of applying fertilizer in the world, but at present China's chemical fertilizer insufficient total amount, fertilising and fertilizer structure is unreasonable, fertilizer range of distribution imbalance, waste the phenomenons such as serious, the utilization rate of chemical fertilizer is low, after using, there is no a large amount of entered environments of fertilizer of utilization absorbed by crops, to environment. Not only destroy land resource, and human health has also been formed to threat. According to statistics, this season utilization rate of chemical fertilizer, nitrogen is about 30%-35%, and phosphorus is about 10%-20%, and potassium is about 35%-50%, and wherein the loss of nitrogenous fertilizer is the most serious. Lake eutrophication and ecological imbalance have been accelerated in the loss of nutrient, have aggravated the pollution of environment. Therefore, raising utilization rate of fertilizer is significant. Slow-release or control-release fertilizer, as a kind of new high-tech product of environment-friendly type, has raising chemical fertilizer utilization ratio, reduces fertilizer application amount and fertilizer application frequency, save labour, reducing environmental pollution, improve the advantages such as quality of agricultural product, is the carrier of the technology of applying fertilizers scientifically and a trend of fertilizer development.
Summary of the invention
For problems of the prior art, the invention provides a kind of double-deck microbial-bacterial fertilizer and preparation method thereof. Utilize polyurethane resin and attapulgite respectively as the agent of ectonexine coating, crop nutrition content conditions of demand and the soil nutrient status of mainly planting for Shandong District are made rational nutrition-allocated proportion, make long-acting slow-release or control-release fertilizer, its effect of increasing production is obvious, the soil to this area and enhancement of environment successful.
The present invention is by the following technical solutions:
A kind of double-deck microbial-bacterial fertilizer, is characterized in that, it is to be made up of the raw material of following weight portion: inorganic composite mixed fertilizer 40-50 part, internal layer coating agent 18-25 part, organic fertilizer 60-80 part, binding agent 3-5 part, outer coating agent 20-25 part; Described inorganic composite mixed fertilizer is the fertile core of internal layer, and outside is coated the agent of internal layer coating, and mixed organic manure is bonded in outside the agent of internal layer coating, and last reusable outer coating agent coating mixed organic manure surface obtains finished product; The agent of described internal layer coating is polyurethane resin, and described outer coating agent is attapulgite; Described binding agent is unselected clay;
Described inorganic composite mixed fertilizer is made up of the raw material of following weight portion: urea 80-100 part, Diammonium phosphate (DAP) 20-30 part, potassium chloride 40-60 part, potassium sulfate 10-15 part, zinc sulfate 2-5 part, calcium chloride 3-5 part;
Described organic fertilizer is that banana skin 100-150 part, greasy filth 20-30 part, Chinese medicine slag 30-50 part, bean dregs 50-60 part, micro-2-5 part, EM bacterium liquid 5-10 part form through fermentation;
Described greasy filth is the leftover bits and pieces that extracts chondroitin sulfate through the animal cartilage of deodorization processing, water content≤25%.
The preparation method of described organic fertilizer is: banana skin, greasy filth, Chinese medicine slag, bean dregs, trace element are added in retort after taking according to weight portion, then add suitable quantity of water to keep water content 50%, then add EM bacterium liquid and stir, mixing speed is 7-8r/min; Add that in thermal control retort, temperature is at 42 ± 3 DEG C, continuing fermentation 3 days, then dry, pulverize tunning 200 mesh sieves and obtained Powdered fertilizer.
Described trace element is zinc-amino acid chelate: chelating amino acids manganese: amino acid chelated iron: copper amino acid chelate forms according to 1:1:1.2:1.3.
A preparation method for double-deck microbial-bacterial fertilizer, is characterized in that, it comprises the following steps:
(1) take according to quantity urea, Diammonium phosphate (DAP), potassium chloride, potassium sulfate, zinc sulfate, calcium chloride and mix, then above-mentioned inorganic composite mixed fertilizer is joined to granulation in comminutor, the hot blast that passes into 100-110 DEG C of temperature after granulation completes is dried 2-3h, the cold wind cooling that passes into again 25-30 DEG C of temperature is processed, until the temperature of mixture is down to 30 DEG C, obtain granular mixture, point sift out diameter for subsequent use at the particle of 1-2mm;
(2) internal layer coating agent polyurethane resin is mixed with to the solution that mass percent is 3-5%, then send into the high-pressure atomization shower nozzle of coating machine, then step (1) gained inorganic composite mixed fertilizer particle is added to coating machine coating, under the spray of high-pressure atomization shower nozzle, polyurethane is constantly covered by inorganic composite mixed fertilizer surface and forms internal layer coating;
(3) banana skin, greasy filth, Chinese medicine slag, bean dregs, trace element are added in retort after taking according to weight portion, then add suitable quantity of water to keep water content 50%, then add EM bacterium liquid and stir, add temperature in thermal control retort, continuing fermentation 3 days, then tunning be dry, pulverize to the Powdered fertilizer of 200 mesh sieves;
(4) the Powdered fertilizer of step (3) gained is mixed with binding agent;
(5) by step (2), the inorganic composite mixed fertilizer particle after urethane resin-coated is evenly wetting with atomized water, then step (4) gained mixture is added wherein and constantly shake rolling evenly, make organic fertilizer fully be wrapped in outer surface, form the fertiliser granulates that is coated with organic fertilizer;
(6) attapulgite is pulverized to rear 100 mesh sieves of crossing, the prepared composite particles of step (5) is evenly wetting with atomized water, then attapulgite powder is sprayed on to fertilizer surface, and constantly rotation is rolled until all attapulgites are coated completely;
(7) will dry and sieve through the coated fertiliser granulates completely of step (6), obtain the double-deck microbial-bacterial fertilizer of the present invention.
In described step (3), fermentation mixing speed is 7-8r/min, and adding temperature in thermal control retort is 42 ± 3 DEG C.
The invention has the beneficial effects as follows: double-deck microbial-bacterial fertilizer of the present invention is rich in various nutrient elements, in nutrient slowly-released whole process, can keep mild rate of release, nutrient compound proportion and Shandong District soil constituent and chief crop growth desired nutritional match, and can meet the required all nutritional labelings of crop different growing stage; In fertilizer of the present invention, also contain greasy filth, be that chondroitin sulfate extracts residue leftover bits and pieces, solved its long-term pollution on the environment of placing, because this its main component of greasy filth raw material is aliphatic acid and triglyceride material, this can make fertilizer itself become thickness, after being applied to soil, can play gluing effect to the crumb structure of soil, can effectively improve the physical behavior of soil, strengthen ventilative, water conservation, the fertilizer-preserving ability of soil, keep soil from packing together, improve utilization rate of fertilizer, reduce fertilizer application frequency; In addition, in fertilizer of the present invention, also contain the beneficial microbe by gained after the fermentation of EM bacterium, can effectively suppress the harmful microbe growths such as fungi in soil, bacterium, virus, the effectively generation of the various disease and pests of prevention, can also improve simultaneously fertilizer service efficiency, reduce heavy metal and noxious material in soil; The present invention utilizes polyurethane resin and attapulgite respectively as the agent of ectonexine coating, according to the rationally composite slow controlled release bacterial manure of long-acting double-deck microorganism that makes of the regulation of fertilizer requirement of this area chief crop, can make the productive rate of this area chief crops such as cotton, soybean and tomato greatly improve.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in further detail.
Embodiment 1
A kind of double-deck microbial-bacterial fertilizer, it is to be made up of the raw material of following weight portion: 40 parts of inorganic composite mixed fertilizers, 18 parts of polyurethane resins, 60 parts, organic fertilizer, 3 parts of unselected clays, 20 parts of attapulgites; Described inorganic composite mixed fertilizer is the fertile core of internal layer, and outside is coated internal layer coating agent polyurethane resin, and mixed organic manure is bonded in outside the agent of internal layer coating, and last reusable outer coating agent attapulgite coating mixed organic manure surface obtains finished product;
Described inorganic composite mixed fertilizer is made up of the raw material of following weight portion: 80 parts, urea, 20 parts of Diammonium phosphate (DAP), 40 parts, potassium chloride, 10 parts of potassium sulfates, 2 parts, zinc sulfate, 3 parts, calcium chloride;
Described organic fertilizer is that 5 parts of 100 parts of banana skins, 20 parts, greasy filth, 30 parts of Chinese medicine slags, 50 parts, bean dregs, 2 parts of trace elements, EM bacterium liquid form through fermentation;
Described trace element is zinc-amino acid chelate: chelating amino acids manganese: amino acid chelated iron: copper amino acid chelate forms according to 1:1:1.2:1.3.
Described greasy filth is the leftover bits and pieces that extracts chondroitin sulfate through the animal cartilage of deodorization processing, water content≤25%.
Above-mentioned double-deck microbial-bacterial fertilizer adopts following method to prepare:
(1) take according to quantity urea, Diammonium phosphate (DAP), potassium chloride, potassium sulfate, zinc sulfate, calcium chloride and mix, then above-mentioned inorganic composite mixed fertilizer is joined to granulation in comminutor, the hot blast that passes into 100-110 DEG C of temperature after granulation completes is dried 2-3h, the cold wind cooling that passes into again 25-30 DEG C of temperature is processed, until the temperature of mixture is down to 30 DEG C, obtain granular mixture, point sift out diameter for subsequent use at the particle of 1-2mm;
(2) internal layer coating agent polyurethane resin is mixed with to the solution that mass percent is 3-5%, then send into the high-pressure atomization shower nozzle of coating machine, then step (1) gained inorganic composite mixed fertilizer particle is added to coating machine coating, under the spray of high-pressure atomization shower nozzle, polyurethane is constantly covered by inorganic composite mixed fertilizer surface and forms internal layer coating;
(3) banana skin, greasy filth, Chinese medicine slag, bean dregs, trace element are added in retort after taking according to weight portion, then add suitable quantity of water to keep water content 50%, then add EM bacterium liquid and stir, fermentation mixing speed is 7-8r/min, adding temperature in thermal control retort is 42 ± 3 DEG C, continuing fermentation 3 days, then dry, pulverize tunning the Powdered fertilizer of 200 mesh sieves.
(4) the Powdered fertilizer of step (3) gained is mixed with binding agent;
(5) by step (2), the inorganic composite mixed fertilizer particle after urethane resin-coated is evenly wetting with atomized water, then step (4) gained mixture is added wherein and constantly shake rolling evenly, make organic fertilizer fully be wrapped in outer surface, form the fertiliser granulates that is coated with organic fertilizer;
(6) attapulgite is pulverized to rear 100 mesh sieves of crossing, the prepared composite particles of step (5) is evenly wetting with atomized water, then attapulgite powder is sprayed on to fertilizer surface, and constantly rotation is rolled until all attapulgites are coated completely;
(7) will dry and sieve through the coated fertiliser granulates completely of step (6), obtain double-deck microbial-bacterial fertilizer of the present invention.
The fertilizer efficiency of the double-deck microbial-bacterial fertilizer that above-described embodiment is made is carried out application study. Concrete test grouping is as follows with method:
Experimental plot and test kind: two blocks of soils of choose that area is identical, soil regime is approximate be crop-planting experimental field, area is 1 mu, soil is sandy loam, crop varieties is cotton No. 10 of cotton the Liao Dynasty.
Control group: before plant cotton, 15-15-15 compound potassium sulfate fertilizer 50kg is applied as base manure, once, full-bloom stage imposes urea 3kg to the urea fertilizer that imposes 2kg at initial bloom stage, calcium superphosphate 12kg. Growing period waters twice, prevention and elimination of disease and pests 1 time.
Test group: before plant cotton, prepared the present invention double-deck microbial-bacterial fertilizer 30-50kg is once applied as base manure, do not topdress, do not carry out insect-pest. All the other are identical with control group.
Result of the test is as shown in table 1.
Table 1 result of the test
Group Disease and pest frequency Output of cotton (kg) Rate of growth (%)
Test group 0 320.01 32.8%
Control group 4 240.89 --
Embodiment 2
A kind of double-deck microbial-bacterial fertilizer, it is to be made up of the raw material of following weight portion: 50 parts of inorganic composite mixed fertilizers, 25 parts of polyurethane resins, 80 parts, organic fertilizer, 5 parts of unselected clays, 25 parts of attapulgites; Described inorganic composite mixed fertilizer is the fertile core of internal layer, and outside is coated the agent of internal layer coating, and mixed organic manure is bonded in outside internal layer coating agent polyurethane resin, and last reusable outer coating agent attapulgite coating mixed organic manure surface obtains finished product;
Described inorganic composite mixed fertilizer is made up of the raw material of following weight portion: 100 parts, urea, 30 parts of Diammonium phosphate (DAP), 60 parts, potassium chloride, 15 parts of potassium sulfates, 5 parts, zinc sulfate, 5 parts, calcium chloride;
Described organic fertilizer is that 10 parts of 150 parts of banana skins, 30 parts, greasy filth, 50 parts of Chinese medicine slags, 60 parts, bean dregs, 5 parts of trace elements, EM bacterium liquid form through fermentation;
Described trace element is zinc-amino acid chelate: chelating amino acids manganese: amino acid chelated iron: copper amino acid chelate forms according to 1:1:1.2:1.3.
Described greasy filth is the leftover bits and pieces that extracts chondroitin sulfate through the animal cartilage of deodorization processing, water content≤25%.
The preparation method of above-mentioned double-deck microbial-bacterial fertilizer is with embodiment 1.
The fertilizer efficiency of the above-mentioned double-deck microbial-bacterial fertilizer that embodiment is made is carried out to application study. Concrete test grouping is as follows with method:
Experimental plot and test kind: two blocks of soils of choose that area is identical, soil regime is approximate be crop-planting experimental field, area is 1 mu, soil is loam, crop varieties is soybean neat yellow 34.
Control group: 17-17-17 compound potassium sulfate fertilizer 15-20kg is applied as base manure before soybean in plantation, the urea fertilizer that imposes 3kg at initial bloom stage once. Growing period waters twice, prevention and elimination of disease and pests 1 time.
Test group: before plantation soybean, prepared the present invention double-deck microbial-bacterial fertilizer 30-40kg is once applied as base manure, do not topdress, do not carry out insect-pest. All the other are identical with control group.
Result of the test is as shown in table 2.
Table 2 result of the test
Group Disease and pest frequency Soybean yields (kg) Rate of growth (%)
Test group 0 286.35 39.2%
Control group 4 205.69 --
Embodiment 3
A kind of double-deck microbial-bacterial fertilizer, it is to be made up of the raw material of following weight portion: 45 parts of inorganic composite mixed fertilizers, 20 parts of polyurethane resins, 70 parts, organic fertilizer, 4 parts of unselected clays, 22 parts of attapulgites; Described inorganic composite mixed fertilizer is the fertile core of internal layer, and outside is coated the agent of internal layer coating, and mixed organic manure is bonded in outside internal layer coating agent polyurethane resin, and last reusable outer coating agent attapulgite coating mixed organic manure surface obtains finished product;
Described inorganic composite mixed fertilizer is made up of the raw material of following weight portion: 90 parts, urea, 25 parts of Diammonium phosphate (DAP), 50 parts, potassium chloride, 12 parts of potassium sulfates, 4 parts, zinc sulfate, 4 parts, calcium chloride;
Described organic fertilizer is that 8 parts of 120 parts of banana skins, 25 parts, greasy filth, 40 parts of Chinese medicine slags, 55 parts, bean dregs, 4 parts of trace elements, EM bacterium liquid form through fermentation;
Described trace element is zinc-amino acid chelate: chelating amino acids manganese: amino acid chelated iron: copper amino acid chelate forms according to 1:1:1.2:1.3.
Described greasy filth is the leftover bits and pieces that extracts chondroitin sulfate through the animal cartilage of deodorization processing, water content≤25%.
Above-mentioned double-deck microbial-bacterial fertilizer preparation method is with embodiment 1.
The fertilizer efficiency of the double-deck microbial-bacterial fertilizer that above-described embodiment is made is carried out application study. Concrete test grouping is as follows with method:
Experimental plot and test kind: two blocks of soils of choose that area is identical, soil regime is approximate be crop-planting experimental field, area is 25.6m2, soil is sandy loam, and crop varieties is vegetables No. 4 in tomato, and planting type is Winter-Spring stubble Cultivation in Greenhouse. Control group: 15-15-15 compound potassium sulfate fertilizer 1.5kg is applied as base manure transplanting before tomato, topdress once at fruiting period, spray the mixed liquor 1.5-2.5kg being formed by the borax of 1% urea liquid, 0.5% potassium dihydrogen phosphate and 0.1%. Growing period waters twice, prevention and elimination of disease and pests 1 time, yield meter fruit gross weight when results.
Test group: before tomato is transplanted, prepared the present invention double-deck microbial-bacterial fertilizer 2.5-4kg is once applied as base manure, do not topdress, do not carry out insect-pest. All the other are identical with control group.
Result of the test is as shown in table 3.
Table 3 result of the test
Group Strain number Disease and pest frequency Malformed fruit rate (%) Fruit gross weight (kg) Rate of growth (%)
Test group 164 0 2.1% 380.03 41%
Control group 164 4 16.8% 269.47 --
Can find out from the result of above-mentioned table 1-3, the prepared double-deck microbial-bacterial fertilizer of the present invention is compared with common fertilizer, effect of increasing production is obvious, disease and pest incidence is low, and malformed fruit generation rate is low, and this is mainly because fertilizer of the present invention meets this area chief crop growth characteristic, can effectively control the burst size of each nutrient in fertilizer, match with plant growth nutritional need, thereby reach the effect of increasing both production and income, there is the effect of well slow controlled release nutrients. The present invention also contains the beneficial microbe by gained after the fermentation of EM bacterium, can effectively suppress the harmful microbe growths such as fungi in soil, bacterium, virus, the effectively generation of the various disease and pests of prevention, can also improve simultaneously fertilizer service efficiency, reduce heavy metal in soil and noxious material in addition, in double-deck microbial-bacterial fertilizer of the present invention, can also effectively keep soil from packing together, improve soil texture, improve utilization rate of fertilizer, fertilizer efficiency is effective lastingly, reduces fertilizer application frequency.

Claims (6)

1. a double-deck microbial-bacterial fertilizer, is characterized in that, it is to be made up of the raw material of following weight portion: inorganic composite mixed fertilizer 40-50 part, internal layer coating agent 18-25 part, organic fertilizer 60-80 part, binding agent 3-5 part, outer coating agent 20-25 part; Described inorganic composite mixed fertilizer is the fertile core of internal layer, and outside is coated the agent of internal layer coating, and mixed organic manure is bonded in outside the agent of internal layer coating, and last reusable outer coating agent coating mixed organic manure surface obtains finished product; The agent of described internal layer coating is polyurethane resin, and described outer coating agent is attapulgite; Described binding agent is unselected clay;
Described inorganic composite mixed fertilizer is made up of the raw material of following weight portion: urea 80-100 part, Diammonium phosphate (DAP) 20-30 part, potassium chloride 40-60 part, potassium sulfate 10-15 part, zinc sulfate 2-5 part, calcium chloride 3-5 part;
Described organic fertilizer is that banana skin 100-150 part, greasy filth 20-30 part, Chinese medicine slag 30-50 part, bean dregs 50-60 part, micro-2-5 part, EM bacterium liquid 5-10 part form through fermentation.
2. double-deck microbial-bacterial fertilizer according to claim 1, is characterized in that, described greasy filth is the leftover bits and pieces that extracts chondroitin sulfate through the animal cartilage of deodorization processing, water content≤25%.
3. double-deck microbial-bacterial fertilizer according to claim 1, it is characterized in that, the preparation method of described organic fertilizer is: banana skin, greasy filth, Chinese medicine slag, bean dregs, trace element are added in retort after taking according to weight portion, then add suitable quantity of water to keep water content 50%, then add EM bacterium liquid and stir, mixing speed is 7-8r/min; Add that in thermal control retort, temperature is at 42 ± 3 DEG C, continuing fermentation 3 days, then dry, pulverize tunning 200 mesh sieves and obtained Powdered fertilizer.
4. double-deck microbial-bacterial fertilizer according to claim 1, is characterized in that, described trace element is zinc-amino acid chelate: chelating amino acids manganese: amino acid chelated iron: copper amino acid chelate forms according to 1:1:1.2:1.3.
5. a preparation method for double-deck microbial-bacterial fertilizer claimed in claim 1, is characterized in that, it comprises the following steps:
(1) take according to quantity urea, Diammonium phosphate (DAP), potassium chloride, potassium sulfate, zinc sulfate, calcium chloride and mix, then above-mentioned inorganic composite mixed fertilizer is joined to granulation in comminutor, the hot blast that passes into 100-110 DEG C of temperature after granulation completes is dried 2-3h, the cold wind cooling that passes into again 25-30 DEG C of temperature is processed, until the temperature of mixture is down to 30 DEG C, obtain granular mixture, point sift out diameter for subsequent use at the particle of 1-2mm;
(2) internal layer coating agent polyurethane resin is mixed with to the solution that mass percent is 3-5%, then send into the high-pressure atomization shower nozzle of coating machine, then step (1) gained inorganic composite mixed fertilizer particle is added to coating machine coating, under the spray of high-pressure atomization shower nozzle, polyurethane is constantly covered by inorganic composite mixed fertilizer surface and forms internal layer coating;
(3) banana skin, greasy filth, Chinese medicine slag, bean dregs, trace element are added in retort after taking according to weight portion, then add suitable quantity of water to keep water content 50%, then add EM bacterium liquid and stir, add temperature in thermal control retort, continuing fermentation 3 days, then tunning be dry, pulverize to the Powdered fertilizer of 200 mesh sieves;
(4) the Powdered fertilizer of step (3) gained is mixed with binding agent;
(5) by step (2), the inorganic composite mixed fertilizer particle after urethane resin-coated is evenly wetting with atomized water, then step (4) gained mixture is added wherein and constantly shake rolling evenly, make organic fertilizer fully be wrapped in outer surface, form the fertiliser granulates that is coated with organic fertilizer;
(6) attapulgite is pulverized to rear 100 mesh sieves of crossing, the prepared composite particles of step (5) is evenly wetting with atomized water, then attapulgite powder is sprayed on to fertilizer surface, and constantly rotation is rolled until all attapulgites are coated completely;
(7) will dry and sieve through the coated fertiliser granulates completely of step (6), obtain double-deck microbial-bacterial fertilizer of the present invention.
6. preparation method according to claim 5, is characterized in that, in described step (3), fermentation mixing speed is 7-8r/min, and adding temperature in thermal control retort is 42 ± 3 DEG C.
CN201610142626.5A 2016-03-14 2016-03-14 Double-layer microbial fertilizer and preparation method thereof Pending CN105585393A (en)

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CN103553770A (en) * 2013-10-21 2014-02-05 张喜梅 Organic microorganism-containing ecological fertilizer and production method thereof
CN104478540A (en) * 2014-10-23 2015-04-01 合肥智上农业开发有限公司 A multilayer slow release functional fertilizer and a preparing method thereof
CN104945098A (en) * 2015-06-05 2015-09-30 明光市数智肥业有限公司 Slow-release fertilizer synergist for ensuring later period nutrition feeding of corns and preparation method of slow-release fertilizer synergist
CN104987190A (en) * 2015-06-17 2015-10-21 明光市数智肥业有限公司 High-nitrogen slow-release fertilizer synergist used for corn and preparation method thereof

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CN106083493A (en) * 2016-06-13 2016-11-09 牡丹江师范学院 A kind of composite microbiological fertilizer reducing Nicotiana tabacum L. underground pest and disease damage and preparation method thereof
CN106187503A (en) * 2016-07-18 2016-12-07 山东植丰农化集团有限公司 A kind of N P and K microbial envelope fertilizer and preparation method thereof
CN107652041A (en) * 2017-10-16 2018-02-02 王欣 A kind of production method of the strong microbial manure of increasing both production and income, disease-resistant growth-promoting
CN108530169A (en) * 2018-05-21 2018-09-14 广州市阔途生物科技有限公司 A kind of production method of compound fertilizer addition trace element
CN110577429A (en) * 2018-06-08 2019-12-17 广东唐博生物科技有限公司 double-layer embedded composite microbial fertilizer and preparation method thereof
CN110606789A (en) * 2019-10-31 2019-12-24 上海永通生态工程股份有限公司 Anti-facility strawberry continuous cropping soil conditioner and preparation method thereof
CN110606789B (en) * 2019-10-31 2022-07-26 上海永通生态工程股份有限公司 Anti-facility strawberry continuous cropping soil conditioner and preparation method thereof
CN111727832A (en) * 2020-05-22 2020-10-02 紫云自治县紫香源农林科技有限责任公司 Purple cloud red core sweet potato double-cropping cultivation method
CN111689813A (en) * 2020-06-22 2020-09-22 襄阳职业技术学院 Environment-friendly biochar-based organic-inorganic compound fertilizer and preparation method thereof
CN111548226B (en) * 2020-06-24 2022-06-24 黑龙江省科学院大庆分院 High-efficiency cultivation compound fertilizer for astragalus membranaceus as well as preparation method and fertilizing method thereof
CN111548226A (en) * 2020-06-24 2020-08-18 黑龙江省科学院大庆分院 High-efficiency cultivation compound fertilizer for astragalus membranaceus as well as preparation method and fertilizing method thereof
CN112062634A (en) * 2020-09-14 2020-12-11 熊忠伟 Rice slow-release fertilizer and preparation and application methods thereof
CN112062646A (en) * 2020-09-14 2020-12-11 江云 Chili slow-release fertilizer and preparation and application methods thereof
CN112568057A (en) * 2020-12-09 2021-03-30 福建省荣佳菇业有限公司 High-stress-resistance and excellent-quality agaricus bisporus breeding equipment and method
CN114716278A (en) * 2021-04-15 2022-07-08 石家庄市金鑫肥业有限公司 Bulk blend fertilizer and preparation method thereof
CN113717010A (en) * 2021-09-07 2021-11-30 新洋丰农业科技股份有限公司 Preparation method of zinc efficient corn special fertilizer suitable for calcareous soil

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Application publication date: 20160518