CN106116934A - The method of improvement acid ground - Google Patents
The method of improvement acid ground Download PDFInfo
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- CN106116934A CN106116934A CN201610417910.9A CN201610417910A CN106116934A CN 106116934 A CN106116934 A CN 106116934A CN 201610417910 A CN201610417910 A CN 201610417910A CN 106116934 A CN106116934 A CN 106116934A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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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
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/02—Soil-conditioning materials or soil-stabilising materials containing inorganic compounds only
- C09K17/04—Soil-conditioning materials or soil-stabilising materials containing inorganic compounds only applied in a physical form other than a solution or a grout, e.g. as granules or gases
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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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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The present invention discloses a kind of method improveing acid ground, mainly for overcoming soil fertility degeneration that existing acid ground exists and the design that the higher problem of acidity is carried out.The present invention improves the implementation of the method for acid ground: utilize forest and agricultural biomass to prepare biomass carbon, preparation fine grain mushroom slag；The described biomass carbon prepared, mushroom slag are sufficiently mixed uniformly with acid ground, obtain soil mixture；Soil mixture is carried out biochemical culture.The present invention improves the method for acid ground and forest and agricultural biomass is prepared as soil improvement material, and matched bacterium productional surplus mushroom residue product, for improving the character of acid ground；Its preparation technology and use are simple, and production cost is low and effect obvious, has the advantages such as environmental protection, low-carbon (LC), resource circulation utilization, provide new way for improvement acid ground, also have good economic results in society and application value.
Description
Technical field
The present invention relates to a kind of method improveing acid ground.
Background technology
" report of the Chinese arable land GEOCHEMICAL SURVEY " data issued for 2015 according to Ministry of Land and Resources show, China's major part
The soil organic matter of cultivated land content in area declines, and soil acidification and alkalization aggravation problem occurs.Especially in the south of China, along with greatly
Amount pesticide and the using of chemical nitrogen fertilizer, the acidifying area of soil and degree gradually tend to severe.Thus, find and use suitably
Modifying agent is with sweetening of the soil acidity, and the productivity of acid ground of increasing soil fertility, recover is to agriculture sustainable development and ecology
Environmental conservation has double meaning.
China is traditional agriculture big country, and according to statistics, Chinese agriculture can produce all kinds of crop material Biomass more than 800,000,000 every year
Ton.But at present the utilization rate of China's agricultural wastes is the most relatively low, there is the straw of up to 50% every year by open incineration, burning
Dense smoke has a strong impact on atmosphere quality, and health will be produced harmful effect.Therefore, how to realize large-scale straw to remain
The recycling of excess, becomes problem demanding prompt solution, also promotes researcher to begin to focus on more and consolidates effective garbage
Trans-utilization technology.Along with the development of mushroom industry in recent years, the annual edible fungi place of production has substantial amounts of waste material of edible mushroom to produce,
If dealing with improperly, not only causing the serious waste of resource, and harm greatly can be brought to environment, causing the climing of pest and disease damage
Prolong.Organic substrate Producer has carried out substantial amounts of research to waste material of edible mushroom production mushroom slag for cultivating substrate both at home and abroad, by research
Mushroom slag and other substrate mixture form the physicochemical character of composite interstitial substance and to soil fertility and plant growth effect, give up for mushroom slag
Recycling of gurry provides theoretical and realistic basis.
Summary of the invention
The present invention is directed to south China acid ground Fertility Degeneration and acidity is higher, and the money of extensive agricultural wastes
Source Utilizing question, it is provided that a kind of based on straw charring product and edible fungi remain mushroom residue product, efficiently, environmental protection improvement acidity
The method of soil.
For reaching above-mentioned purpose, a kind of method improveing acid ground of the present invention, said method comprising the steps of:
Step 1: utilize forest and agricultural biomass to prepare biomass carbon, preparation fine grain mushroom slag；
Step 2: the described biomass carbon prepared, mushroom slag are sufficiently mixed uniformly with acid ground, obtain mixing with soil
Thing；
Step 3: soil mixture is carried out biochemical culture.
Further, described utilize forest and agricultural biomass to prepare biomass carbon to be realized by following method:
Collect forest and agricultural biomass, forest and agricultural biomass is cut into 0.5～3cm segment, cleans up with water and hydrochloric acid, in 80 DEG C
Dry under constant temperature；
Forest and agricultural biomass through above-mentioned process is inserted in the filling casing of retort, seal at anoxybiotic logical protective gas
Reason, is pyrolyzed 5～6 hours under the conditions of pyrolysis temperature is 300 DEG C～700 DEG C；
Carbonization product is cooled to room temperature, ball mill grinding 1-2min, crosses 2～0.1mm stainless steel sifts, obtain biomass carbon.
Further, described preparation fine grain mushroom slag is realized by following method:
After thick mushroom slag is air-dried, levigate, cross 1～0.25mm stainless steel sift and process, obtain fine grain mushroom slag specimen product.
Further, described acid ground be by soil in advance cross 2mm stainless steel sift process obtain, described biomass carbon with
Mass ratio 0.5～2 parts, mushroom slag adds to be sufficiently mixed in acid ground with mass ratio 1～3 parts and uniformly obtains soil mixture.
Further, described soil mixture is carried out biochemical culture and is realized by following method:
By the biomass carbon after mix homogeneously and soil constant temperature culture 4～5 months at 25 DEG C～28 DEG C, periodically stir life
Material charcoal and soil mixture so that between biomass carbon and soil mixture oxygen sufficient, and for soil mixture supplementary go from
Sub-water is 40%～70% to maintain the saturation moisture content of soil mixture.
Further, described protective gas is nitrogen, and duration of ventilation is 30min；
Described pyrolysis temperature is 300 DEG C, 400 DEG C or 450 DEG C；
Described pyrolysis temperature is reached by heating under conditions of heating rate 5～10 DEG C/min.
Further, described step 2 has been also added with microbial bacteria, the quality hundred of described microbial bacteria in soil mixture
Proportion by subtraction is 0.01～0.05, and described microbial bacteria is photosynthetic bacteria, healthy and free from worry trichoderma, the mixture of bacillus subtilis, described light
Conjunction antibacterial, healthy and free from worry trichoderma, the mass ratio of bacillus subtilis are 1:1:2.
Further, described utilize forest and agricultural biomass prepare biomass carbon also include will obtain biomass carbon surface adsorption
The step of sodium metasilicate:
Acquisition biomass carbon is added to the water and fully mixes thoroughly, be subsequently adding powdery sodium metasilicate and be again sufficiently stirred for, will
Mixture dry in the sun after mixing to water content is 20%, must be eventually for the biomass carbon in soil.
Further, described utilize forest and agricultural biomass to prepare biomass carbon also to include activating the biomass carbon of acquisition
The step processed:
The biomass carbon obtained is mixed with activator, is warming up to activation temperature in an inert atmosphere and carries out activation processing,
It is then cooled to room temperature, uses dilute hydrochloric acid to clean product, be washed with water to neutrality and be dried, it is thus achieved that eventually in soil
Biomass carbon；
Wherein, described activator is potassium carbonate, potassium dihydrogen phosphate, dipotassium hydrogen phosphate, potassium acetate, diammonium phosphate, phosphoric acid
At least one in ammonium dihydrogen, ammonium acetate.
Further, described forest and agricultural biomass is crop material and/or forestry residue, and described crop material includes Oryza sativa L.
Straw, corn straw and/or peanut straw, described forestry residue includes horse hair Ramulus Pini and/or bamboo chip.
After agriculture waste biomass pyrolytic carbonization presented in stable, solid material, the biological carbon materials of generation has
Specific surface is big, and pore structure is flourishing, highly stable and the characteristic such as stronger absorbability.After charcoal adds soil, it contains
Alkaline matter can neutralize part soil aciditiy, makes soil pH value raise；Improve soil native to holding capabilities, the improvement of nutrient
Earth aggregate structure, provide easy decomposed substance and suitable habitat for soil microorganism, thus promote soil ecosystem material
Circulation and plant growth.Meanwhile, using of mushroom slag can change soil organic matter content, humus content, improves Soil structure, promotees
Enter the formation of soil aggregate, improve the fertility of soil.In the fruit gardens such as mandarin orange, Fructus Mali pumilae, pears, Fructus Vitis viniferae by dreg deep placement after
Bury, improvement orchard soil can be played, improve the effect of fruit quality, and fertilizer efficiency is lasting, economical and practical.Simultaneously also can conduct
Vegetable base manure.
The present invention improves the method for acid ground by the crop material pyrolysis charring to agriculture waste, is prepared into soil
Earth upgrade materials, matched bacterium productional surplus mushroom residue product, for improving the soil fertility factors of acid ground.This soil improvement side
Method preparation technology and use are simple, and production cost is low and effect obvious, has the advantages such as environmental protection, low-carbon (LC), resource circulation utilization, for
Improvement acid ground provides new way, also has good economic results in society and application value.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet that embodiment 1 improves the method for acid ground；
Fig. 2 is the embodiment 4 and 5 basic chemical property list for examination acid ground；
Fig. 3 is that embodiment 4 and 5 is for examination straw biological charcoal and the chemical property of mushroom slag；
Fig. 4 is under embodiment 4 biomass carbon 0.8 part, 1 part of addition of mushroom slag, and acid ground characteristic is affected comparison diagram；
A be changes of pH comparison diagram, B be Change of Soil Organic Carbon comparison diagram, C be total soil nitrogen change comparison diagram, D be soil speed
Effect phosphorus change comparison diagram, E are that soil available nitrogen changes comparison diagram, and F is that soil microbes biomass carbon changes comparison diagram；Experimental station
Reason includes comparison, adds Oryza sativa L. charcoal and add Semen Maydis charcoal three kinds process；
Fig. 5 is under embodiment 5 biomass carbon 1.5 parts, 2 parts of additions of mushroom slag, the impact on acid ground Fertility Characteristics, A
For changes of pH comparison diagram, B be Change of Soil Organic Carbon comparison diagram, C be total soil nitrogen change comparison diagram, D be soil speed
Effect phosphorus change comparison diagram, E are that soil available nitrogen changes comparison diagram, and F is that soil microbes biomass carbon changes comparison diagram；Experimental station
Reason includes comparison, adds Oryza sativa L. charcoal and add Semen Maydis charcoal three kinds process.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention will be further described.
Forest and agricultural biomass of the present invention is crop material and/or forestry residue, and described crop material includes Oryza sativa L. straw
Stalk, corn straw and/or peanut straw etc., described forestry residue includes horse hair Ramulus Pini and/or bamboo chip etc..
Embodiment 1
As it is shown in figure 1, the method for the present embodiment improvement acid ground comprises the steps:
Step 1: utilize forest and agricultural biomass to prepare biomass carbon, preparation fine grain mushroom slag.
Wherein, utilize forest and agricultural biomass to prepare biomass carbon to be realized by following method:
Collect the forest and agricultural biomass of separate sources, forest and agricultural biomass is cut into 0.5～3cm segment, clean with water and hydrochloric acid
Totally, dry under 80 DEG C of constant temperature,；
Forest and agricultural biomass through above-mentioned process is inserted in the filling casing of retort, seal anoxybiotic logical nitrogen 30min
Reach anoxybiotic, under conditions of heating rate 5 DEG C～10 DEG C/min, under the conditions of being heated to 300 DEG C～700 DEG C, keep constant temperature
Degree pyrolysis 5～6 hours；
Carbonization product is cooled to room temperature, ball mill grinding 1-2min, crosses 2～0.1mm stainless steel sifts, obtain for examination not
With particle diameter charcoal sample.
Described preparation fine grain mushroom slag is realized by following method:
After thick for productional surplus mushroom slag is air-dried in right amount, levigate, cross 1～0.25mm stainless steel sift, obtain fine grain mushroom slag.
Step 2: the described biomass carbon prepared, mushroom slag are sufficiently mixed uniformly with acid ground, obtain mixing with soil
Thing.
Soil is crossed 2mm stainless steel sift in advance process and obtain acid ground to be tried, described biomass carbon with mass ratio 0.5～
2 parts, mushroom slag adds to be sufficiently mixed in acid ground with mass ratio 1～3 parts and uniformly obtains soil mixture.
Step 3: soil mixture is carried out biochemical culture.
By the biomass carbon after mix homogeneously and soil constant temperature culture 4～5 months at 25 DEG C～28 DEG C, periodically stir life
Material charcoal and soil mixture so that between biomass carbon and soil mixture oxygen sufficient, and for soil mixture supplementary go from
Sub-water is 40%～70% to maintain the saturation moisture content of soil mixture.
Embodiment 2
The method of the present embodiment improvement acid ground is the biomass carbon that will obtain in step 1 on the basis of embodiment 1
It is then added in acid ground after being further processed.
The biomass carbon obtained in step 1 also includes the step that carries out activation processing:
The biomass carbon obtained is mixed with activator, is warming up to activation temperature in an inert atmosphere and carries out activation processing,
It is then cooled to room temperature, uses dilute hydrochloric acid to clean product, be washed with water to neutrality and be dried, it is thus achieved that the biology in soil
Matter charcoal；
Wherein, described activator is potassium carbonate, potassium dihydrogen phosphate, dipotassium hydrogen phosphate, potassium acetate, diammonium phosphate, phosphoric acid
At least one in ammonium dihydrogen, ammonium acetate.
Embodiment 3
The method of the present embodiment improvement acid ground will obtain in step 1 on the basis of embodiment 1 or embodiment 2
Biomass carbon is then added in acid ground after being further processed.
The biomass carbon obtained in step 1 also included that before adding in soil the biomass carbon surface adsorption by obtaining is inclined
The step of sodium silicate:
Acquisition biomass carbon is added to the water and fully mixes thoroughly, be subsequently adding powdery sodium metasilicate and be again sufficiently stirred for, will
Mixture dry in the sun after mixing to water content is 20%, must be eventually for the biomass carbon in soil.
Step 2 has been also added with in soil mixture described in various embodiments above microbial bacteria, described microbial bacteria
Mass percent is 0.01～0.05, and described microbial bacteria is photosynthetic bacteria, healthy and free from worry trichoderma, the mixture of bacillus subtilis,
Described photosynthetic bacteria, healthy and free from worry trichoderma, the mass ratio of bacillus subtilis are 1:1:2.
Embodiment 4
The method of the present embodiment improvement acid ground is to provide a kind of operational instances on the basis of embodiment 1.
The present embodiment improvement acid ground method in particularly as follows:
The agricultural wastes (rice straw and corn straw) collected are shredded into the segment of 1-3cm, with water and hydrochloric acid
Clean up, dried under 80 DEG C of constant temperature, put into retort and load in casing, under anoxic condition, with the intensification speed of 5 DEG C/min
Rate, is heated to 350 DEG C, keeps pyrolysis 6 hours；It is then cooled to room temperature, obtains biological carbon materials.By charcoal through stainless steel sleeve
Sieve, crosses 2～0.1mm sieves, obtains particle diameter > 0.1mm charcoal sample, standby.Mushroom sizing is thin, cross 1mm sieve, obtain fine fraction mushroom
Slag specimen product.According to charcoal: mushroom slag: the mass ratio of soil=0.8:1:100 applies in acid ground, regulate soil moisture content
To 60% saturation moisture content, in 25 DEG C of constant incubators, carry out cultural aim.
Wherein, Oryza sativa L. charcoal and Semen Maydis charcoal carry out experiment cultivation respectively and compare experiment, and each experiment 3 repetition.Real
After having tested use potentiometer method measure soil pH value (Tu Shui is than 1:5), be respectively adopted Qiu Linfa, Micro-kjoldahl method,
Molybdenum antimony resistance colorimetric method and flame photometric anaysis soil organic matter, full nitrogen, rapid available phosphorus and the content of available potassium, use chloroform to smoke
Steaming-extraction measures soil microbes biomass carbon content.
As shown in Figure 4, coarse grain footpath charcoal and mushroom slag being coordinated after applying acid ground 135 days, soil pH value averagely carries
High 0.20 unit, wherein corn straw charcoal joins that to execute the effect of mushroom slag the most notable；Soil organic carbon is by 8.85g/kg
Improve significantly to 13.87g/kg；The applying of corn straw charcoal and mushroom slag significantly improves total nitrogen content of soil；Two kinds of straw charcoals and
The cooperation of mushroom applies, and makes the available phosphorus contents of soil averagely be improved significantly to 17.64mg/kg by 11.87mg/kg；Soil speed
The content of effect potassium averagely dramatically increases under 226.0%, and the applying of rice straw charcoal, and effect is the most notable.Compared with the control, Oryza sativa L.
Under straw charcoal and corn straw charcoal process, the content of soil microbes biomass carbon the most averagely adds 81.0% He
40.3%.
Embodiment 5
The method of the present embodiment improvement acid ground is to provide a kind of operational instances on the basis of embodiment 1.
The present embodiment improvement acid ground method particularly as follows:
The agricultural wastes (rice straw and corn straw) collected are shredded into the segment of 1-3cm, with water and hydrochloric acid
Clean up, dried under 80 DEG C of constant temperature, put into retort and load in casing, under anoxic condition, with the intensification speed of 8 DEG C/min
Rate, is heated to 350 DEG C, keeps pyrolysis 5 hours；It is then cooled to room temperature, obtains biological carbon materials.By charcoal through stainless steel sleeve
Sieve, cross 2～0.1mm sieve, obtain particle diameter < 0.1mm charcoal sample, standby.Mushroom sizing is thin, cross 0.25mm sieve, obtain particulate
Level mushroom slag specimen product.According to charcoal: mushroom slag: the mass ratio of soil=1.5:2:100 applies in acid ground, regulation soil contains
The water yield, to 60% saturation moisture content, carries out cultural aim in 25 DEG C of constant incubators.
Wherein, Oryza sativa L. charcoal and Semen Maydis charcoal carry out experiment cultivation respectively and compare experiment, and each experiment 3 repetition.Examination
After having tested use potentiometer method measure soil pH value (Tu Shui is than 1:5), be respectively adopted Qiu Linfa, Micro-kjoldahl method,
Molybdenum antimony resistance colorimetric method and flame photometric anaysis soil organic matter, full nitrogen, rapid available phosphorus and the content of available potassium, use chloroform to smoke
Steaming-extraction measures soil microbes biomass carbon content.
As it is shown in figure 5, after fine grain charcoal and the cooperation of mushroom slag are applied acid ground 135 days, soil pH value averagely carries
High 0.22 unit；Soil organic carbon is improved significantly to 14.07g/kg by 8.85g/kg；Fine grain corn straw charcoal is joined
The applying closing mushroom slag significantly improves total nitrogen content of soil；The cooperation of two kinds of straw charcoals and mushroom applies, and makes the rapid available phosphorus of soil
Content is averagely improved significantly to 20.31mg/kg by 11.87mg/kg；The content of soil available nitrogen averagely dramatically increases 235.2%,
And under rice straw charcoal applies, effect is the most notable.Compared with the control, two kinds of straw charcoals and the compounding application of mushroom, can soil
The content of microbes biomass carbon the most averagely adds 41.4% and 57.9%.
Embodiment 4 and embodiment 5 result show, utilize the different-grain diameter charcoal of waste crop straws pyrolysis preparation,
The mushroom residue product of matched bacterium productional surplus, all can make to improve the effective ways of acid ground, to the reduction of soil aciditiy, have
The raising of raising, available nutrient and the microbes biomass in machine carbon storehouse is respectively provided with and is obviously promoted effect.
Above, only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, any it is familiar with basis
Those skilled in the art in the technical scope that the invention discloses, the change that can readily occur in or replacement, all should contain
Within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claim is defined.
Claims (10)
1. the method improveing acid ground, it is characterised in that: said method comprising the steps of:
Step 1: utilize forest and agricultural biomass to prepare biomass carbon, preparation fine grain mushroom slag；
Step 2: the described biomass carbon prepared, mushroom slag are sufficiently mixed uniformly with acid ground, obtain soil mixture；
Step 3: soil mixture is carried out biochemical culture.
The method of improvement acid ground the most according to claim 1, it is characterised in that: described utilize forest and agricultural biomass to prepare
Biomass carbon is realized by following method:
Collect forest and agricultural biomass, forest and agricultural biomass is cut into 0.5～3cm segment, cleans up with water and hydrochloric acid, in 80 DEG C of constant temperature
Lower drying；
Forest and agricultural biomass through above-mentioned process is inserted in the filling casing of retort, seals anoxybiotic and logical protective gas processes,
It is pyrolyzed 5～6 hours under the conditions of pyrolysis temperature is 300 DEG C～700 DEG C；
Carbonization product is cooled to room temperature, ball mill grinding 1-2min, crosses 2～0.1mm stainless steel sifts, obtain biomass carbon.
The method of improvement acid ground the most according to claim 1, it is characterised in that: described preparation fine grain mushroom slag is logical
Cross what following method realized:
After thick mushroom slag is air-dried, levigate, cross 1～0.25mm stainless steel sift and process, obtain fine grain mushroom slag specimen product.
The method of improvement acid ground the most according to claim 1, it is characterised in that: described acid ground is that soil is pre-
First crossing 2mm stainless steel sift to process and obtain, described biomass carbon is with mass ratio 0.5～2 parts, and mushroom slag adds to mass ratio 1～3 parts
Acid ground is sufficiently mixed and uniformly obtains soil mixture.
The method of improvement acid ground the most according to claim 1, it is characterised in that: described soil mixture carries out biochemistry
Cultivation is realized by following method:
By the biomass carbon after mix homogeneously and soil constant temperature culture 4～5 months at 25 DEG C～28 DEG C, periodically stir biomass
Charcoal and soil mixture so that between biomass carbon and soil mixture oxygen sufficient, and supplement deionized water for soil mixture
It is 40%～70% to maintain the saturation moisture content of soil mixture.
The method of improvement acid ground the most according to claim 2, it is characterised in that: described protective gas is nitrogen,
Duration of ventilation is 30min；
Described pyrolysis temperature is 300 DEG C, 400 DEG C or 450 DEG C；
Described pyrolysis temperature is reached by heating under conditions of heating rate 5～10 DEG C/min.
The method of improvement acid ground the most according to claim 1, it is characterised in that: soil mixture in described step 2
In be also added with microbial bacteria, the mass percent of described microbial bacteria is 0.01～0.05, described microbial bacteria be photosynthetic carefully
Bacterium, healthy and free from worry trichoderma, the mixture of bacillus subtilis, described photosynthetic bacteria, healthy and free from worry trichoderma, the mass ratio of bacillus subtilis are
1:1:2.
The method of improvement acid ground the most according to claim 2, it is characterised in that: described utilize forest and agricultural biomass to prepare
Biomass carbon also includes the step of the biomass carbon surface adsorption sodium metasilicate obtained:
Acquisition biomass carbon is added to the water and fully mixes thoroughly, be subsequently adding powdery sodium metasilicate and be again sufficiently stirred for, will mixing
After mixture dry in the sun to water content be 20%, must be eventually for the biomass carbon in soil.
The method of improvement acid ground the most according to claim 2, it is characterised in that: described utilize forest and agricultural biomass to prepare
Biomass carbon also includes the step that the biomass carbon of acquisition carries out activation processing:
The biomass carbon obtained is mixed with activator, is warming up to activation temperature in an inert atmosphere and carries out activation processing, then
It is cooled to room temperature, uses dilute hydrochloric acid to clean product, be washed with water to neutrality and be dried, it is thus achieved that eventually for the biology in soil
Matter charcoal；
Wherein, described activator is potassium carbonate, potassium dihydrogen phosphate, dipotassium hydrogen phosphate, potassium acetate, diammonium phosphate, biphosphate
At least one in ammonium, ammonium acetate.
The method of improvement acid ground the most according to claim 1, it is characterised in that: described forest and agricultural biomass is crop
Straw and/or forestry residue, described crop material includes rice straw, corn straw and/or peanut straw, and described forestry remains
Excess includes horse hair Ramulus Pini and/or bamboo chip.
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Cited By (8)
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|---|---|---|---|---|
| CN107188386A (en) * | 2017-07-17 | 2017-09-22 | 北京建筑大学 | A kind of method that utilization sewage plant excess sludge prepares charcoal |
| CN107710943A (en) * | 2017-09-30 | 2018-02-23 | 湖南省烟草公司湘西自治州公司 | A kind of improvement nursing method of acid tobacco-growing soil |
| CN108156873A (en) * | 2017-12-15 | 2018-06-15 | 上海交通大学 | A kind of method using biomass carbon recuperated vegetable plastic shed soil |
| CN109121517A (en) * | 2018-07-30 | 2019-01-04 | 国家林业局竹子研究开发中心 | A kind of modification method of difference culture underglass time limit Bamboo Soil |
| CN111778038A (en) * | 2020-08-05 | 2020-10-16 | 鹤灵谷(福州)生物科技有限公司 | Soil conditioner and preparation method thereof |
| US11124461B2 (en) | 2019-07-04 | 2021-09-21 | Incitec Pivot Limited | Fertilizer |
| CN114391328A (en) * | 2022-01-13 | 2022-04-26 | 中国科学院南京土壤研究所 | Method for improving acid tobacco field soil by using flue-curing barn biomass fuel ash |
| CN117923460A (en) * | 2023-12-08 | 2024-04-26 | 江苏省中国科学院植物研究所 | H (H)3PO4Preparation method of mineral composite modified biomass charcoal, product and application thereof |
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| CN109121517B (en) * | 2018-07-30 | 2021-07-20 | 国家林业局竹子研究开发中心 | Method for improving bamboo forest soil in different coverage cultivation ages |
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| CN111778038A (en) * | 2020-08-05 | 2020-10-16 | 鹤灵谷(福州)生物科技有限公司 | Soil conditioner and preparation method thereof |
| CN114391328A (en) * | 2022-01-13 | 2022-04-26 | 中国科学院南京土壤研究所 | Method for improving acid tobacco field soil by using flue-curing barn biomass fuel ash |
| CN114391328B (en) * | 2022-01-13 | 2022-10-21 | 中国科学院南京土壤研究所 | Method for improving acid tobacco field soil by using flue-curing barn biomass fuel ash |
| CN117923460A (en) * | 2023-12-08 | 2024-04-26 | 江苏省中国科学院植物研究所 | H (H)3PO4Preparation method of mineral composite modified biomass charcoal, product and application thereof |
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