CN106833663A - A kind of preparation method of biomass carbon base acid soil conditioning agent - Google Patents
A kind of preparation method of biomass carbon base acid soil conditioning agent Download PDFInfo
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- CN106833663A CN106833663A CN201611211737.3A CN201611211737A CN106833663A CN 106833663 A CN106833663 A CN 106833663A CN 201611211737 A CN201611211737 A CN 201611211737A CN 106833663 A CN106833663 A CN 106833663A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic 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
- C05D3/00—Calcareous fertilisers
- C05D3/02—Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products
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- 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
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Inorganic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Cultivation Of Plants (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The present invention relates to a kind of preparation method of biomass carbon base acid soil conditioning agent, belong to soil conditioner technical field.The present invention is first with feces of livestock and poultry,Wood chip,Soil rhizobium etc. carry out the prepared soil nutrient base that ferments,Dolomite and flyash etc. are carried out into ball milling again,Composite mountain flour is obtained,Mix with soil nutrient base again,And transplant Pea Plants culture growth,By activating the nutritional ingredient cultivated in soil in Pea Plants growth course,Pea Plants pyrolysis is made biomass carbon again,Mix with the native powder of cultivation after activated,And be transferred in comminutor and be made particle,Biomass carbon base acid soil conditioning agent is obtained after packaging envelope,Soil conditioner prepared by the present invention can break soil hardening,Chesson,Improve the gas permeability of soil,With improved soil,Water conservation drought resisting,Enhancing disease-resistant crops ability,Improve crop yield,Improve quality of agricultural product,Recover the function of crops original ecological,Increase substantially survival rate of planting and agricultural output.
Description
Technical field
The present invention relates to a kind of preparation method of biomass carbon base acid soil conditioning agent, belong to soil conditioner technology neck
Domain.
Background technology
Soil is the most basic means of production of the mankind, is material base for the survival of mankind.In China, land resource is not
But it is very limited, and, because the factors of soil formation or human factor cause the soil with obstruction factor also to there is significant proportion, wherein
Including erosion, bad quality, structure or tilth is poor, saline and alkaline, acidifying, noxious material pollution, exist in soil and hinder root system of plant
The bad soil layer of growth, soil moisture is excessive or not enough, fertility is low or nutrient is unbalance etc..Under normal circumstances, these barriers
Impenetrability soil is difficult with, and carries out improvement using soil conditioner in the last few years and show preferable effect.
Biomass carbon is the solid product of biomass high-temperature cracking, such as porous, highly stable with many special properties
There are substantial amounts of various functional groups on property, height aromatization, surface, simultaneous with positive and negative 2 kinds of electric charges, can binding molecule and negative and positive from
Son, polarity and apolar substance.Raw material, cracking temperature, pyrolysis time etc. are the masters for influenceing biomass carbon Wuli-Shili-Renli system approach
Factor is wanted, it is, in general, that within the specific limits, rising, the extension in reaction time with cracking temperature, the ratio table of biomass carbon
Area increase, the enhancing of aromatization structure, content of ashes and pH are raised, and available nutrient and content of calcium and magnesium are also increased.
The acidifying of soil refers to the phenomenon in the decline of natural and artificial Soil Under Conditions pH value, be in soil degradation one it is important
Aspect.Soil acidification not only causes the nutrient element loss such as Ca, Mg, P in soil, and causes various metals and a huge sum of money in soil
The solubility for belonging to compound is improved, and increased harm of the heavy metal element to environment, causes land quality continuous worsening, it has also become
The subject matter of restriction China agricultural sustainable development.Therefore, a kind of biomass carbon base soil conditioner is researched and developed to seem particularly
It is important.
The content of the invention
The present invention solves the technical problem of：For traditional acidic soil conditioner not only cause Ca in soil,
The nutrient element loss such as Mg, P, and cause that the solubility of various metals and heavy metal compound in soil is improved, increased weight
Harm of the metallic element to environment, causes the defect that land quality is continuous worsening, the invention provides a kind of acid of biomass carbon base
Property soil conditioner preparation method, first with feces of livestock and poultry, wood chip, soil rhizobium etc. ferment and soil are obtained the present invention
Earth Nutrient medium, then dolomite and flyash etc. are carried out into ball milling, composite mountain flour is obtained, then mix with soil nutrient base, and transplant
Pea Plants culture grows, by activating the nutritional ingredient cultivated in soil in Pea Plants growth course then Pea Plants are warm
Solution is made biomass carbon, it is activated after with cultivate native powder and mix, and be transferred in comminutor and be made particle, pack prepared after envelope
Biomass carbon base acid soil conditioning agent, biomass carbon base acid soil conditioning agent prepared by the present invention can break soil plate
Knot, chesson, the raising gas permeability of soil, with improved soil, water conservation drought resisting strengthens disease-resistant crops ability, improves farming
Produce amount, improves quality of agricultural product, recovers the function of crops original ecological, increases substantially survival rate of planting and agricultural product are produced
Amount.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
（1）Count by weight, weigh 30~50 parts of feces of livestock and poultry, 10~12 parts of wood chips, 8~10 parts of rice brans, 1~2 part of rotten plant
Sour magnesium, 1~2 part of calcium humate, 3~5 parts of soybean nodulations, 8~10 parts of mass fractions are 10% glucose solution, load batch mixer
In be well mixed, and fermentation reactor system 20~30 days at 36~38 DEG C obtain soil nutrient base；
（2）1~3kg dolomites are weighed, 500~600g flyash, 100~150g vermiculites, 30~60g diatomite loads ball milling
2~4h of ball milling in machine, crosses 200 mesh sieves, obtains composite mountain flour, and composite mountain flour is mixed with the above-mentioned soil nutrient bases of 100~120g, then
30~40 plants of Pea Plants of transplanting, it is 10~15 DEG C to control temperature, every 3~5 days addition above-mentioned soil nutrient bases of 5~6g, 100~
120mL deionized waters, cultivate 4~6 months, collect and cultivate soil and Pea Plants, standby；
（3）After by above-mentioned Pea Plants natural air drying, it is fitted into crushing in pulverizer, crosses 60 mesh sieves, the powder after sieving is transferred to
In Muffle furnace, under argon atmosphere, with 300~500 DEG C of 1~2h of pyrolysis, room temperature is cooled to, obtains biomass carbon, weigh 50~
100g biomass carbons, 2~3g dipotassium hydrogen phosphates, 1~2g diammonium hydrogen phosphates are fitted into Muffle furnace, in blanket of nitrogen after being well mixed
Under enclosing, 300~400 DEG C of 1~2h of activation are heated to, after being cooled to room temperature, obtain activated biomass charcoal；
（4）Weigh 100~120g steps（2）The cultivation soil of preparation, is fitted into drying box, is dried to perseverance at 105~110 DEG C
Weight, then be added into being crushed in pulverizer, 200 mesh sieves are crossed, the cultivation soil powder after sieving and the above-mentioned activation of 15~20g is biological
After matter charcoal is well mixed, it is transferred in comminutor and is made particle diameter for 1~3mm particles, then pack envelope, obtains biomass carbon base acid
Soil conditioner.
Application process of the invention：Before rape seed sowing, soil conditioner obtained in the present invention is uniformly sprinkled into
Upper soll layer, is turned in 8~10cm depth, and applied amount is 4000~5000g/ mus, after the completion of waiting to be sprinkled into, you can sowing oil
Colza, compared with traditional soil conditioner is used, its water-holding capacity improves 15.8~17.9%, under the soil weight is relatively original
0.44~0.64g/cm has dropped3, nutrient composition content improves 10.9~12.9% in making rape, carries the yield of rape of plantation
It is high by 15.9~17.51%.
The beneficial effects of the invention are as follows：
（1）Obtained acid soil conditioning agent of the invention can effectively improve the level of soil active ingredient, crop kernel nutrition
The content and yield of composition are obviously improved, and fertilizer efficiency is lasting, increasing both production and income；
（2）Acid soil conditioning agent preparation method process is simple prepared by the present invention, convenient operation and control, steady quality, production
Efficiency high, can large-scale industrial production.
Specific embodiment
Count by weight, weigh 30~50 parts of feces of livestock and poultry, 10~12 parts of wood chips, 8~10 parts of rice brans, 1~2 part of rotten plant
Sour magnesium, 1~2 part of calcium humate, 3~5 parts of soybean nodulations, 8~10 parts of mass fractions are 10% glucose solution, load batch mixer
In be well mixed, and fermentation reactor system 20~30 days at 36~38 DEG C obtain soil nutrient base；Weigh 1~3kg dolomites, 500~
600g flyash, 100~150g vermiculites, 30~60g diatomite is fitted into 2~4h of ball milling in ball mill, crosses 200 mesh sieves, obtains compound
Stone flour, composite mountain flour is mixed with the above-mentioned soil nutrient bases of 100~120g, then transplants 30~40 plants of Pea Plants, controls temperature
It is 10~15 DEG C, adds within every 3~5 days the above-mentioned soil nutrient bases of 5~6g, 100~120mL deionized waters is cultivated 4~6 months, received
Collection cultivates soil and Pea Plants, by above-mentioned Pea Plants natural air drying after, is fitted into pulverizer and crushes, 60 mesh sieves, will sieve
Powder afterwards is transferred in Muffle furnace, under argon atmosphere, with 300~500 DEG C of 1~2h of pyrolysis, is cooled to room temperature, obtains biomass
Charcoal, weighs 50~100g biomass carbons, and 2~3g dipotassium hydrogen phosphates, 1~2g diammonium hydrogen phosphates load Muffle furnace after being well mixed
In, under nitrogen atmosphere, 300~400 DEG C of 1~2h of activation are heated to, after being cooled to room temperature, obtain activated biomass charcoal；Weigh 100
~120g cultivates soil, is fitted into drying box, is dried to constant weight at 105~110 DEG C, then is added into being crushed in pulverizer, mistake
200 mesh sieves, after the cultivation soil powder after sieving is well mixed with the above-mentioned activated biomass charcoals of 15~20g, are transferred in comminutor
Particle diameter is made for 1~3mm particles, envelope is then packed, biomass carbon base acid soil conditioning agent is obtained.
Example 1
Count by weight, weigh 30 parts of feces of livestock and poultry, 10 parts of wood chips, 8 parts of rice brans, 1 part of humic acid magnesium, 1 part of calcium humate, 3
Part soybean nodulation, 8 parts of mass fractions are 10% glucose solution, are fitted into well mixed in batch mixer, and the fermentation reactor system at 36 DEG C
20 days, obtain soil nutrient base；1kg dolomites are weighed, 500g flyash, 100g vermiculites, 30g diatomite is fitted into ball in ball mill
Mill 2h, crosses 200 mesh sieves, obtains composite mountain flour, and composite mountain flour is mixed with the above-mentioned soil nutrient bases of 100g, then transplants 30 plants of peas plants
Strain, it is 10 DEG C to control temperature, adds within every 3 days the above-mentioned soil nutrient bases of 5g, and 100mL deionized waters are cultivated 4 months, collect and cultivate
Soil and Pea Plants, by above-mentioned Pea Plants natural air drying after, is fitted into pulverizer and crushes, 60 mesh sieves of mistake, by the powder after sieving
End is transferred in Muffle furnace, under argon atmosphere, with 300 DEG C of pyrolysis 1h, is cooled to room temperature, obtains biomass carbon, weighs 50g biomass
Charcoal, 2g dipotassium hydrogen phosphates, 1g diammonium hydrogen phosphates are fitted into Muffle furnace after being well mixed, and under nitrogen atmosphere, are heated to 300 DEG C
Activation 1h, after being cooled to room temperature, obtains activated biomass charcoal；Weigh 100g and cultivate soil, be fitted into drying box, dried at 105 DEG C
To constant weight, then it is added into being crushed in pulverizer, crosses 200 mesh sieves, the cultivation soil powder after sieving is biological with the above-mentioned activation of 15g
After matter charcoal is well mixed, it is transferred in comminutor and is made particle diameter for 1mm particles, then pack envelope, obtains biomass carbon base acid soil
Earth conditioning agent.
Before rape seed sowing, soil conditioner obtained in the present invention is uniformly sprinkled into upper soll layer, in 8cm depth
Turned over, applied amount is 400g/ mus, after the completion of waiting to be sprinkled into, you can sowing rape seed, with the traditional soil conditioner of use
Compare, its water-holding capacity improves 15.8%, and the soil weight more originally have dropped 0.44g/cm3, nutrient composition content is carried in making rape
It is high by 10.9%, the yield of rape of plantation is improved 15.9%.
Example 2
Count by weight, weigh 50 parts of feces of livestock and poultry, 12 parts of wood chips, 10 parts of rice brans, 2 parts of humic acid magnesium, 2 parts of calcium humates, 5
Part soybean nodulation, 10 parts of mass fractions are 10% glucose solution, are fitted into batch mixer and are well mixed, and composting is sent out at 38 DEG C
Ferment 30 days, obtains soil nutrient base；3kg dolomites are weighed, 600g flyash, 150g vermiculites, 60g diatomite is fitted into ball mill
Ball milling 4h, crosses 200 mesh sieves, obtains composite mountain flour, composite mountain flour is mixed with the above-mentioned soil nutrient bases of 120g, then transplant 40 plants of peas
Plant, it is 15 DEG C to control temperature, adds within every 5 days the above-mentioned soil nutrient bases of 6g, and 120mL deionized waters are cultivated 6 months, collect training
Educate soil and Pea Plants, by above-mentioned Pea Plants natural air drying after, is fitted into pulverizer and crushes, 60 mesh sieves of mistake, after sieving
Powder is transferred in Muffle furnace, under argon atmosphere, with 500 DEG C of pyrolysis 2h, is cooled to room temperature, obtains biomass carbon, weighs 100g lifes
Material charcoal, 3g dipotassium hydrogen phosphates, 2g diammonium hydrogen phosphates are fitted into Muffle furnace after being well mixed, and under nitrogen atmosphere, are heated to
400 DEG C of activation 2h, after being cooled to room temperature, obtain activated biomass charcoal；Weigh 120g and cultivate soil, be fitted into drying box, at 110 DEG C
Dry to constant weight, then be added into being crushed in pulverizer, cross 200 mesh sieves, by the cultivation soil powder after sieving and the above-mentioned activation of 20g
After biomass carbon is well mixed, it is transferred in comminutor and is made particle diameter for 3mm particles, then pack envelope, obtains the acid of biomass carbon base
Property soil conditioner.
Before rape seed sowing, soil conditioner obtained in the present invention is uniformly sprinkled into upper soll layer, in 10cm depths
Degree is turned over, and applied amount is 500g/ mus, after the completion of waiting to be sprinkled into, you can sowing rape seed, is adjusted with using traditional soil
Agent is compared, and its water-holding capacity improves 17.9, and the soil weight more originally have dropped 0.64g/cm3, make nutrient composition content in rape
12.9% is improve, the yield of rape of plantation is improved 17.51%.
Example 3
Count by weight, weigh 40 parts of feces of livestock and poultry, 11 parts of wood chips, 9 parts of rice brans, 2 parts of humic acid magnesium, 2 parts of calcium humates, 4
Part soybean nodulation, 9 parts of mass fractions are 10% glucose solution, are fitted into well mixed in batch mixer, and the fermentation reactor system at 37 DEG C
25 days, obtain soil nutrient base；2kg dolomites are weighed, 550g flyash, 125g vermiculites, 45g diatomite is fitted into ball in ball mill
Mill 3h, crosses 200 mesh sieves, obtains composite mountain flour, and composite mountain flour is mixed with the above-mentioned soil nutrient bases of 110g, then transplants 35 plants of peas plants
Strain, it is 13 DEG C to control temperature, adds within every 4 days the above-mentioned soil nutrient bases of 6g, and 110mL deionized waters are cultivated 5 months, collect and cultivate
Soil and Pea Plants, by above-mentioned Pea Plants natural air drying after, is fitted into pulverizer and crushes, 60 mesh sieves of mistake, by the powder after sieving
End is transferred in Muffle furnace, under argon atmosphere, with 400 DEG C of pyrolysis 2h, is cooled to room temperature, obtains biomass carbon, weighs 75g biomass
Charcoal, 3g dipotassium hydrogen phosphates, 2g diammonium hydrogen phosphates are fitted into Muffle furnace after being well mixed, and under nitrogen atmosphere, are heated to 350 DEG C
Activation 2h, after being cooled to room temperature, obtains activated biomass charcoal；Weigh 110g and cultivate soil, be fitted into drying box, dried at 108 DEG C
To constant weight, then it is added into being crushed in pulverizer, crosses 200 mesh sieves, the cultivation soil powder after sieving is biological with the above-mentioned activation of 18g
After matter charcoal is well mixed, it is transferred in comminutor and is made particle diameter for 2mm particles, then pack envelope, obtains biomass carbon base acid soil
Earth conditioning agent.
Before rape seed sowing, soil conditioner obtained in the present invention is uniformly sprinkled into upper soll layer, in 9cm depth
Turned over, applied amount is 450g/ mus, after the completion of waiting to be sprinkled into, you can sowing rape seed, with the traditional soil conditioner of use
Compare, its water-holding capacity improves 16.9, and the soil weight more originally have dropped 0.54g/cm3, nutrient composition content is carried in making rape
It is high by 11.9%, the yield of rape of plantation is improved 16.51%.
Claims (1)
1. a kind of preparation method of biomass carbon base acid soil conditioning agent, it is characterised in that specific preparation process is：
（1）Count by weight, weigh 30~50 parts of feces of livestock and poultry, 10~12 parts of wood chips, 8~10 parts of rice brans, 1~2 part of rotten plant
Sour magnesium, 1~2 part of calcium humate, 3~5 parts of soybean nodulations, 8~10 parts of mass fractions are 10% glucose solution, load batch mixer
In be well mixed, and fermentation reactor system 20~30 days at 36~38 DEG C obtain soil nutrient base；
（2）1~3kg dolomites are weighed, 500~600g flyash, 100~150g vermiculites, 30~60g diatomite loads ball milling
2~4h of ball milling in machine, crosses 200 mesh sieves, obtains composite mountain flour, and composite mountain flour is mixed with the above-mentioned soil nutrient bases of 100~120g, then
30~40 plants of Pea Plants of transplanting, it is 10~15 DEG C to control temperature, every 3~5 days addition above-mentioned soil nutrient bases of 5~6g, 100~
120mL deionized waters, cultivate 4~6 months, collect and cultivate soil and Pea Plants, standby；
（3）After by above-mentioned Pea Plants natural air drying, it is fitted into crushing in pulverizer, crosses 60 mesh sieves, the powder after sieving is transferred to
In Muffle furnace, under argon atmosphere, with 300~500 DEG C of 1~2h of pyrolysis, room temperature is cooled to, obtains biomass carbon, weigh 50~
100g biomass carbons, 2~3g dipotassium hydrogen phosphates, 1~2g diammonium hydrogen phosphates are fitted into Muffle furnace, in blanket of nitrogen after being well mixed
Under enclosing, 300~400 DEG C of 1~2h of activation are heated to, after being cooled to room temperature, obtain activated biomass charcoal；
（4）Weigh 100~120g steps（2）The cultivation soil of preparation, is fitted into drying box, is dried to perseverance at 105~110 DEG C
Weight, then be added into being crushed in pulverizer, 200 mesh sieves are crossed, the cultivation soil powder after sieving and the above-mentioned activation of 15~20g is biological
After matter charcoal is well mixed, it is transferred in comminutor and is made particle diameter for 1~3mm particles, then pack envelope, obtains biomass carbon base acid
Soil conditioner.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107118779A (en) * | 2017-06-14 | 2017-09-01 | 合肥助航生态农业科技有限公司 | Acid soil improving agent and preparation method thereof |
| CN107141177A (en) * | 2017-06-14 | 2017-09-08 | 合肥助航生态农业科技有限公司 | Modifying agent increase soil fertility and preparation method thereof |
| CN107141122A (en) * | 2017-06-20 | 2017-09-08 | 黄山市吉元肥业科技有限公司 | Organic fertilizer suitable for acid soil and preparation method thereof |
| CN107556141A (en) * | 2017-10-09 | 2018-01-09 | 常州美帛纺织品有限公司 | A kind of soil conditioner and preparation method thereof |
| CN108218565A (en) * | 2017-12-29 | 2018-06-29 | 金华市铁骑士生物科技有限公司 | Alkaline soil improver and preparation method thereof |
| CN108456105A (en) * | 2018-02-26 | 2018-08-28 | 北京三聚绿能科技有限公司 | A kind of pine charcoal base microbe soil conditioner and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107118779A (en) * | 2017-06-14 | 2017-09-01 | 合肥助航生态农业科技有限公司 | Acid soil improving agent and preparation method thereof |
| CN107141177A (en) * | 2017-06-14 | 2017-09-08 | 合肥助航生态农业科技有限公司 | Modifying agent increase soil fertility and preparation method thereof |
| CN107141122A (en) * | 2017-06-20 | 2017-09-08 | 黄山市吉元肥业科技有限公司 | Organic fertilizer suitable for acid soil and preparation method thereof |
| CN107556141A (en) * | 2017-10-09 | 2018-01-09 | 常州美帛纺织品有限公司 | A kind of soil conditioner and preparation method thereof |
| CN108218565A (en) * | 2017-12-29 | 2018-06-29 | 金华市铁骑士生物科技有限公司 | Alkaline soil improver and preparation method thereof |
| CN108456105A (en) * | 2018-02-26 | 2018-08-28 | 北京三聚绿能科技有限公司 | A kind of pine charcoal base microbe soil conditioner and preparation method thereof |
| CN108456105B (en) * | 2018-02-26 | 2021-02-05 | 北京三聚绿能科技有限公司 | Pine charcoal-based microbial soil conditioner and preparation method thereof |
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Application publication date: 20170613 |