CN108586164A - Long-acting corn special-purpose compound fertilizer and preparation method thereof - Google Patents
Long-acting corn special-purpose compound fertilizer and preparation method thereof Download PDFInfo
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- CN108586164A CN108586164A CN201810077861.8A CN201810077861A CN108586164A CN 108586164 A CN108586164 A CN 108586164A CN 201810077861 A CN201810077861 A CN 201810077861A CN 108586164 A CN108586164 A CN 108586164A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/04—Double-superphosphate; Triple-superphosphate; Other fertilisers based essentially on monocalcium phosphate
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES 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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
Abstract
The present invention relates to a kind of long-acting corn special-purpose compound fertilizers and preparation method thereof.Compound fertilizer includes the component of following parts by weight：20~30 parts of urea, 15~20 parts of double superhosphate, 5~10 parts of potassium chloride, 25~35 parts of activated humic acid powder, 1~8 part of light-burning magnesium powder, 1~5 part of long-acting sustained-release agent, 0.5~2 part of trace element, 0.1~1 part of complex micro organism fungicide, 5~15 parts of humus organic material.The present invention can carry out rational proportion in maize production phase, puberty, maturity period nutrient demand ratio, add the ingredients such as long-acting sustained-release agent, activated humic acid, trace element and complex micro organism fungicide simultaneously, to solve the top dressing of conventional elements fertilizer, composite fertilizer and corn fertilizer and three kinds of fertilizer, existing fertilizer efficiency period is short, utilization rate is low, pollutes the problems such as environment.
Description
Technical field
The present invention relates to technical field of fertilizers, has and be related to a kind of long-acting corn special-purpose compound fertilizer and preparation method thereof.
Background technology
Corn is one of the important grain in China, and the sown area and total output of corn are only second to rice and wheat, occupies the
Three.Corn is mainly planted on the North China in China, northeast, northwest and other places, due to the difference of each department natural conditions, different geographical
Planting patterns it is different, yield and quality have certain difference.Due to being influenced with fertile idea by tradition, peasant is to corn fertilizing
Bias toward single chemical fertilizer, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer separate administration, it is bringing the result is that：Fertilizer efficiency is single, and fertilizer efficiency is short, chemical fertilizer utilization ratio
Low (being only 30% or so), most of available nutrient is lost, and can not supply the needs in corn each period.In recent years, China
The chemical fertilizer of production and selling gradually becomes complex element composite fertilizer, special fertilizer by single element.But due to the fertilizer efficiency period of wherein nitrogenous fertilizer
Only 40~60 days, so corn of the breeding time at 75 days or more, it is necessary to Nitrogen Top Dressing.Since Nitrogen Top Dressing can only be that shallow apply is
To top application, there are about 50% or more active ingredients to be vapored away with gaseous ammonia, not only increases fertilising cost in this way but also polluted environment.
Invention content
The object of the present invention is to provide a kind of long-acting corn special-purpose compound fertilizers and preparation method thereof, can be by maize production
Phase, puberty, maturity period nutrient demand ratio carry out rational proportion, while adding long-acting sustained-release agent, activated humic acid, micro member
The ingredients such as element and complex micro organism fungicide, to solve conventional elements fertilizer, composite fertilizer and corn fertilizer and three kinds of fertilizer
Top dressing, existing fertilizer efficiency period is short, utilization rate is low, pollution environment the problems such as.
To achieve the above object, the present invention uses following technical scheme：
A kind of long-acting corn special-purpose compound fertilizer includes the component of following parts by weight：20~30 parts of urea, double superhosphate 15
~20 parts, it is 5~10 parts of potassium chloride, 25~35 parts of activated humic acid powder, 1~8 part of light-burning magnesium powder, 1~5 part of long-acting sustained-release agent, micro-
0.5~2 part of secondary element, 0.1~1 part of complex micro organism fungicide, 5~15 parts of humus organic material.
In above-mentioned technical proposal：
Preferred weight part of the component is：23~28 parts of urea, 16~19 parts of double superhosphate, 6~9 parts of potassium chloride,
26~30 parts of activated humic acid powder, 2~6 parts of light-burning magnesium powder, 2~4 parts of long-acting sustained-release agent, trace element 0.8~1.5 part, it is compound
0.3~0.8 part of microbial bacterial agent, 8~12 parts of humus organic material.
Optimum weight part of the component is：26.1 parts of urea, 18.7 parts of double superhosphate, 8.5 parts of potassium chloride, activity are rotten
28 parts of phytic acid powder, 3 parts of long-acting sustained-release agent, 1.2 parts of trace element, 0.5 part of complex micro organism fungicide, decomposed has 4 parts of light-burning magnesium powder
10 parts of machine object.
The long-acting sustained-release agent is grouped as by the group of following parts by weight：15~45 parts of activated humic acid powder, dicyandiamide 5~20
20~50 parts of part and zeolite powder.
The trace element is grouped as by the group of following parts by weight：25~30 parts of ferrous sulfate heptahydrate, monohydrate zinc sulphate 15
~50 parts and 20~40 parts of Boratex.
The complex micro organism fungicide is by azotobacter chroococcum, bacillus megaterium, bacillusmusilaginosiengineering, bacillus subtilis
Bacterium and bacillus laterosporus compound ,/gram of total viable count >=40,000,000,000, generally 400~200,000,000,000/gram.
The preparation method of above-mentioned activated humic acid powder is：Humic acid contents on dry basis is first no less than 48wt% and water content is small
After the weathered coal, lignite or peat soil of 25wt% crush, humic acid material powder is obtained；Again by the corruption of 98.5~99.5wt%
Phytic acid material powder is uniformly mixed with the activator of 0.5~1.5wt%, and it is 20~40wt% to add water management moisture content of material,
36~96 hours are sealed at normal temperatures to get activated humic acid powder.
Wherein, the activator is grouped as by the group of following parts by weight：15~40 parts of ammonium hydrogen carbonate, sodium hydroxide 10~40
20~45 parts of part and sodium pyrophosphate.
Wherein, the weathered coal, lignite or peat soil are preferably crushed to 20~100 mesh, are best with 80 mesh.
Wherein, the time of the sealing was best with 72 hours.
The present invention also provides the preparation method of above-mentioned long-acting corn special-purpose compound fertilizer, this method is as follows：First by long-acting slow-release
Agent is uniformly mixed with urea, then is uniformly mixed with activated humic acid powder, finally double superhosphate, potassium chloride, light-burning magnesium powder, micro-
Secondary element, complex micro organism fungicide and humus organic material are added, and are sufficiently mixed uniformly, are obtained after granulation, drying and screening
Product.
Preferably, the grain size of gained particle is 1~5mm after the granulation.
The method of administration of long-acting corn special-purpose compound fertilizer of the present invention is：80~double centner is applied per acre, disposably makees base manure
It applies after corn planting bottom of trench, crop does not need top dressing, and fertilizer is applied at away from 7~8cm of seed, deep 10~12cm.
Compared to the prior art, advantages of the present invention is：
1, environment friendly and pollution-free.Long-acting sustained-release agent and complex micro organism fungicide used in the compound fertilizer of the present invention are inherently
Nutritional substance can be utilized in degradation process by Maize Absorption；Adjusting and controlling growth substance dosage is humble, can all be inhaled by corn
It receives, it is without side-effects.
2, nutrient balance.Supply situation of the present invention according to nitrogen, phosphorus, potassium nutrition in soils in south china, corn is to nitrogen, phosphorus, potassium
The demand of nutrient and a large amount of field fertilizer efficiency results determine that rational nitrogen, phosphorus, potassium nutrition proportioning, nutrient balance application carry
The high utilization rate of fertilizer.
3, using simplicity.The compound fertilizer of the present invention is on the basis of the formula of ordinary maize special fertilizer, in conjunction with long-acting slow-release
Technology, microorganism adjusting and controlling growth technology and manufactured product.Long-acting sustained-release agent in product can pass through activated humic acid and zeolite
Powder adsorbs the free state NH in soil4 +, it is possible to reduce NH3Volatilization loss, while by the effect of dicyandiamide, can significantly reduce
N2O、N2Deng volatilization loss, to play the role of holding and extend fertilizer effectiveness.Complex micro organism fungicide in product is
Phosphorus element activator, can be improved P use efficiency, activate the phosphorus element in soil, makes to imitate phosphorus late and becomes rapid available phosphorus；Meanwhile it is compound micro-
Bacteria agent also has the function of potassium decomposing.The compound fertilizer persistently supplies nutrient balance, nutrient and adjusting and controlling growth is melted into a whole, plantation
When corn, corn growing season, puberty, maturity period can be met in corn planting bottom of trench to the need of nutrient by disposably being applied as base manure
It asks, simplifies fertilising and adjusting and controlling growth measure to the full extent, be remarkably improved labor productivity, it is strong to mitigate peasant's labour
Degree exempts the various unscientific fertilization modes of peasant household.
4, at low cost.The relatively similar slow release product of production cost of the compound fertilizer of the present invention is relatively low, relative to common compound
Fertile cost only increases by 120 yuan or so, and utilization rate of fertilizer averagely improves 20% or so.
5, fertilizer efficiency is notable.It is measured through experiment, after the compound fertilizer using the present invention, bottom can disposably be used sufficient to overlay film corn
Fertilizer, growth medium need not refertilize, and without " burn seedlings " phenomenon, will not damage mulch because of fertilising, can meet each needed for corn growth
Kind nutritional ingredient, improves maize grain yield, increases production 13%~18% compared with the common fertilizer of equal nutrient content, averagely per acre
2 people of top dressing recruitment can be saved, is reduced expenses per acre about 200 yuan.
Specific implementation mode
With reference to specific embodiment for instruction and explanation of the present invention.
Embodiment 1
Weigh 261 kilograms of urea, 187 kilograms of double superhosphate powder, 85 kilograms of potassium chloride, 280 kilograms of activated humic acid powder,
40 kilograms of light-burning magnesium powder, 30 kilograms of long-acting sustained-release agent, 12 kilograms of trace element, 5 kilograms of complex micro organism fungicide, humus organic material
Powder double centner.Long-acting sustained-release agent is uniformly mixed with urea first, then is uniformly mixed with activated humic acid powder, finally mistake phosphorus again
Sour calcium, potassium chloride, light-burning magnesium powder, trace element, complex micro organism fungicide and humus organic material are added, and are sufficiently mixed uniformly,
It is granulated, grain size is 1~5mm, and product is obtained after dry and screening.
Wherein, long-acting sustained-release agent is grouped as by the group of following parts by weight：30 parts of activated humic acid powder, 15 parts of dicyandiamide and boiling
30 parts of mountain flour.Trace element is grouped as by the group of following parts by weight：28 parts of ferrous sulfate heptahydrate, 35 parts of monohydrate zinc sulphate and boric acid
30 parts of sodium.Complex micro organism fungicide by azotobacter chroococcum, bacillus megaterium, bacillusmusilaginosiengineering, bacillus subtilis and
Bacillus laterosporus compounds, and total viable count is 60,000,000,000/gram.
Wherein, the preparation method of activated humic acid powder is：Humic acid contents on dry basis is first no less than 48wt% and water content
After weathered coal less than 25wt% is crushed to 80 mesh, humic acid material powder is obtained；Again by the humic acid material powder of 99wt%
Be uniformly mixed with the activator of 1wt%, add water management moisture content of material be 30wt%, at normal temperatures seal 72 hours to get
Activated humic acid powder.Activator is grouped as by the group of following parts by weight：30 parts of ammonium hydrogen carbonate, 20 parts of sodium hydroxide and sodium pyrophosphate
30 parts.
The index of gained fertilizer is：NPK total content >=25% (N:P2O5:K2O=12:8:5), the content of organic matter >=20%,
/ gram of total viable count >=200,000,000, SiO2>=2%, Ca >=2%, Mg >=2%, S >=1%, Zn >=0.3%, Fe >=0.2%, B >=
0.05%.
Embodiment 2
Weigh 230 kilograms of urea, 190 kilograms of double superhosphate, 60 kilograms of potassium chloride, 300 kilograms of activated humic acid powder, light
Burn 20 kilograms of magnesium powder, 40 kilograms of long-acting sustained-release agent, 8 kilograms of trace element, 8 kilograms of complex micro organism fungicide, humus organic material 80
Kilogram.Long-acting sustained-release agent is uniformly mixed with urea first, then is uniformly mixed with activated humic acid powder, finally double superhosphate,
Potassium chloride, light-burning magnesium powder, trace element, complex micro organism fungicide and humus organic material are added, and are sufficiently mixed uniformly, are granulated,
Grain size is 1~5mm, and product is obtained after dry and screening.
Wherein, long-acting sustained-release agent is grouped as by the group of following parts by weight：15 parts of activated humic acid powder, 20 parts of dicyandiamide and boiling
20 parts of mountain flour.Trace element is grouped as by the group of following parts by weight：30 parts of ferrous sulfate heptahydrate, 15 parts of monohydrate zinc sulphate and boric acid
40 parts of sodium.Complex micro organism fungicide by azotobacter chroococcum, bacillus megaterium, bacillusmusilaginosiengineering, bacillus subtilis and
Bacillus laterosporus compounds, and total viable count is 40,000,000,000/gram.
Wherein, the preparation method of activated humic acid powder is：Humic acid contents on dry basis is first no less than 48wt% and water content
After lignite less than 25wt% is crushed to 100 mesh, humic acid material powder is obtained；Again by the humic acid material powder of 98.5wt%
It is uniformly mixed with the activator of 1.5wt%, it is 20wt% to add water management moisture content of material, at normal temperatures sealing 96 hours, i.e.,
Obtain activated humic acid powder.Activator is grouped as by the group of following parts by weight：15 parts of ammonium hydrogen carbonate, 40 parts of sodium hydroxide and pyrophosphoric acid
20 parts of sodium.
Embodiment 3
Weigh 280 kilograms of urea, 160 kilograms of double superhosphate, 90 kilograms of potassium chloride, 260 kilograms of activated humic acid powder, light
Burn 60 kilograms of magnesium powder, 20 kilograms of long-acting sustained-release agent, 15 kilograms of trace element, 3 kilograms of complex micro organism fungicide, humus organic material
120 kilograms.Long-acting sustained-release agent is uniformly mixed with urea first, then is uniformly mixed with activated humic acid powder, finally weight peroxophosphoric acid
Calcium, potassium chloride, light-burning magnesium powder, trace element, complex micro organism fungicide and humus organic material are added, and are sufficiently mixed uniformly, make
Grain, grain size are 1~5mm, and product is obtained after dry and screening.
Wherein, long-acting sustained-release agent is grouped as by the group of following parts by weight：45 parts of activated humic acid powder, 5 parts of dicyandiamide and boiling
50 parts of mountain flour.Trace element is grouped as by the group of following parts by weight：25 parts of ferrous sulfate heptahydrate, 50 parts of monohydrate zinc sulphate and boric acid
20 parts of sodium.Complex micro organism fungicide by azotobacter chroococcum, bacillus megaterium, bacillusmusilaginosiengineering, bacillus subtilis and
Bacillus laterosporus compounds, and total viable count is 100,000,000,000/gram.
Wherein, the preparation method of activated humic acid powder is：Humic acid contents on dry basis is first no less than 48wt% and water content
After peat soil less than 25wt% is crushed to 20 mesh, humic acid material powder is obtained；Again by the humic acid material powder of 99.5wt%
Body is uniformly mixed with the activator of 0.5wt%, and it is 40wt% to add water management moisture content of material, is sealed 36 hours at normal temperatures,
Up to activated humic acid powder.Activator is grouped as by the group of following parts by weight：40 parts of ammonium hydrogen carbonate, 10 parts of sodium hydroxide and burnt phosphorus
45 parts of sour sodium.
Embodiment 4
Weigh 300 kilograms of urea, 150 kilograms of double superhosphate, potassium chloride double centner, 250 kilograms of activated humic acid powder,
80 kilograms of light-burning magnesium powder, 10 kilograms of long-acting sustained-release agent, 20 kilograms of trace element, 1 kilogram of complex micro organism fungicide, humus organic material
15 kilograms.Long-acting sustained-release agent is uniformly mixed with urea first, then is uniformly mixed with activated humic acid powder, finally weight peroxophosphoric acid
Calcium, potassium chloride, light-burning magnesium powder, trace element, complex micro organism fungicide and humus organic material are added, and are sufficiently mixed uniformly, make
Grain, grain size are 1~5mm, and product is obtained after dry and screening.
Wherein, long-acting sustained-release agent is grouped as by the group of following parts by weight：15 parts of activated humic acid powder, 10 parts of dicyandiamide and boiling
50 parts of mountain flour.Trace element is grouped as by the group of following parts by weight：25 parts of ferrous sulfate heptahydrate, 30 parts of monohydrate zinc sulphate and boric acid
40 parts of sodium.Complex micro organism fungicide by azotobacter chroococcum, bacillus megaterium, bacillusmusilaginosiengineering, bacillus subtilis and
Bacillus laterosporus compounds, and total viable count is 200,000,000,000/gram.
Wherein, the preparation method of activated humic acid powder is：Humic acid contents on dry basis is first no less than 48wt% and water content
After weathered coal less than 25wt% is crushed to 60 mesh, humic acid material powder is obtained；Again by the humic acid material powder of 99.5wt%
Body is uniformly mixed with the activator of 0.5wt%, and it is 30wt% to add water management moisture content of material, is sealed 96 hours at normal temperatures,
Up to activated humic acid powder.Activator is grouped as by the group of following parts by weight：15 parts of ammonium hydrogen carbonate, 30 parts of sodium hydroxide and burnt phosphorus
45 parts of sour sodium.
Embodiment 5
Weigh 200 kilograms of urea, 200 kilograms of double superhosphate, 50 kilograms of potassium chloride, 350 kilograms of activated humic acid powder, light
Burn 10 kilograms of magnesium powder, 50 kilograms of long-acting sustained-release agent, 5 kilograms of trace element, 10 kilograms of complex micro organism fungicide, humus organic material 50
Kilogram.Long-acting sustained-release agent is uniformly mixed with urea first, then is uniformly mixed with activated humic acid powder, finally double superhosphate,
Potassium chloride, light-burning magnesium powder, trace element, complex micro organism fungicide and humus organic material are added, and are sufficiently mixed uniformly, are granulated,
Grain size is 1~5mm, and product is obtained after dry and screening.
Wherein, long-acting sustained-release agent is grouped as by the group of following parts by weight：45 parts of activated humic acid powder, 20 parts of dicyandiamide and boiling
20 parts of mountain flour.Trace element is grouped as by the group of following parts by weight：25 parts of ferrous sulfate heptahydrate, 50 parts of monohydrate zinc sulphate and boric acid
40 parts of sodium.Complex micro organism fungicide by azotobacter chroococcum, bacillus megaterium, bacillusmusilaginosiengineering, bacillus subtilis and
Bacillus laterosporus compounds, and total viable count is 40,000,000,000/gram.
Wherein, the preparation method of activated humic acid powder is：Humic acid contents on dry basis is first no less than 48wt% and water content
After lignite less than 25wt% is crushed to 20 mesh, humic acid material powder is obtained；Again by the humic acid material powder of 99wt% with
The activator of 1wt% is uniformly mixed, and it is 30wt% to add water management moisture content of material, seals 72 hours at normal temperatures to get work
Property humic acid powder.Activator is grouped as by the group of following parts by weight：40 parts of ammonium hydrogen carbonate, 10 parts of sodium hydroxide and sodium pyrophosphate 20
Part.
Claims (10)
1. long-acting corn special-purpose compound fertilizer, which is characterized in that it includes the component of following parts by weight：20~30 parts of urea, again mistake
15~20 parts of calcium phosphate, 5~10 parts of potassium chloride, 25~35 parts of activated humic acid powder, 1~8 part of light-burning magnesium powder, long-acting sustained-release agent 1
~5 parts, trace element 0.5~2 part, 0.1~1 part of complex micro organism fungicide, 5~15 parts of humus organic material.
2. long-acting corn special-purpose compound fertilizer according to claim 1, which is characterized in that the parts by weight of the component are：Urea
23~28 parts, 16~19 parts of double superhosphate, 6~9 parts of potassium chloride, 26~30 parts of activated humic acid powder, 2~6 parts of light-burning magnesium powder,
2~4 parts of long-acting sustained-release agent, 0.8~1.5 part of trace element, 0.3~0.8 part of complex micro organism fungicide, humus organic material 8~12
Part.
3. long-acting corn special-purpose compound fertilizer according to claim 1, which is characterized in that the parts by weight of the component are：Urine
26.1 parts of element, 18.7 parts of double superhosphate, 8.5 parts of potassium chloride, 28 parts of activated humic acid powder, 4 parts of light-burning magnesium powder, long-acting sustained-release agent
3 parts, trace element 1.2 parts, 0.5 part of complex micro organism fungicide, 10 parts of humus organic material.
4. long-acting corn special-purpose compound fertilizer according to claim 1, which is characterized in that the long-acting sustained-release agent by weighing as follows
The group of amount part is grouped as：20~50 parts of 15~45 parts of activated humic acid powder, 5~20 parts of dicyandiamide and zeolite powder.
5. long-acting corn special-purpose compound fertilizer according to claim 1, which is characterized in that the trace element is by following weight
The group of part is grouped as：20~40 parts of 25~30 parts of ferrous sulfate heptahydrate, 15~50 parts of monohydrate zinc sulphate and Boratex.
6. long-acting corn special-purpose compound fertilizer according to claim 1, which is characterized in that the complex micro organism fungicide is by justifying
Brown nitrogen-fixing bacteria, bacillus megaterium, bacillusmusilaginosiengineering, bacillus subtilis and bacillus laterosporus compound, and live
Bacterium sum >=40,000,000,000/gram.
7. long-acting corn special-purpose compound fertilizer according to claim 1 or 4, which is characterized in that the activated humic acid powder
Preparation method is：Humic acid contents on dry basis is first no less than 48wt% and water content is less than weathered coal, lignite or the mud of 25wt%
After charcoal soil crushes, humic acid material powder is obtained；Again by the humic acid material powder of 98.5~99.5wt% and 0.5~
The activator of 1.5wt% is uniformly mixed, and it is 20~40wt% to add water management moisture content of material, and it is small to seal 36~96 at normal temperatures
When to get activated humic acid powder.
8. long-acting corn special-purpose compound fertilizer according to claim 7, which is characterized in that the activator is by following parts by weight
Group be grouped as：20~45 parts of 15~40 parts of ammonium hydrogen carbonate, 10~40 parts of sodium hydroxide and sodium pyrophosphate.
9. long-acting corn special-purpose compound fertilizer according to claim 7, it is characterised in that：The weathered coal, lignite or peat
Soil is crushed to 20~100 mesh.
10. the preparation method of long-acting corn special-purpose compound fertilizer according to any one of claims 1 to 9, which is characterized in that the party
Method is as follows：Long-acting sustained-release agent is uniformly mixed with urea first, then is uniformly mixed with activated humic acid powder, finally weight peroxophosphoric acid
Calcium, potassium chloride, light-burning magnesium powder, trace element, complex micro organism fungicide and humus organic material are added, and are sufficiently mixed uniformly, warp
It is granulated, obtains product after dry and screening.
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Cited By (3)
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| CN110358710A (en) * | 2019-07-25 | 2019-10-22 | 山东省农业科学院农业资源与环境研究所 | One plant of bacillus laterosporus and preparing the application in disease-resistant saline-alkali tolerant functional microorganism preparation |
| CN110574644A (en) * | 2019-09-18 | 2019-12-17 | 广东省生物工程研究所（广州甘蔗糖业研究所） | Green planting method for fruit corn |
| CN111849498A (en) * | 2020-07-20 | 2020-10-30 | 迪斯科科技集团（宜昌）有限公司 | Soil conditioner and preparation method thereof |
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| CN105969399A (en) * | 2016-06-06 | 2016-09-28 | 广西美耕生物科技有限公司 | Organic soil activating agent and preparation method thereof |
| CN107082699A (en) * | 2017-05-17 | 2017-08-22 | 贵州天宝丰原生态农业科技有限公司 | Rice And Maize sustained-release synergistic composite fertilizer and preparation method thereof |
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| CN110358710A (en) * | 2019-07-25 | 2019-10-22 | 山东省农业科学院农业资源与环境研究所 | One plant of bacillus laterosporus and preparing the application in disease-resistant saline-alkali tolerant functional microorganism preparation |
| CN110574644A (en) * | 2019-09-18 | 2019-12-17 | 广东省生物工程研究所（广州甘蔗糖业研究所） | Green planting method for fruit corn |
| CN110574644B (en) * | 2019-09-18 | 2021-05-11 | 广东省生物工程研究所（广州甘蔗糖业研究所） | Green planting method for fruit corn |
| CN111849498A (en) * | 2020-07-20 | 2020-10-30 | 迪斯科科技集团（宜昌）有限公司 | Soil conditioner and preparation method thereof |
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