CN105418316A - Biochar fertilizer modifying agent suitable for saline-alkali soil and preparing method and application method thereof - Google Patents
Biochar fertilizer modifying agent suitable for saline-alkali soil and preparing method and application method thereof Download PDFInfo
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- CN105418316A CN105418316A CN201510922483.5A CN201510922483A CN105418316A CN 105418316 A CN105418316 A CN 105418316A CN 201510922483 A CN201510922483 A CN 201510922483A CN 105418316 A CN105418316 A CN 105418316A
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Classifications
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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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Soil Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biotechnology (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Environmental Sciences (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention relates to a biochar fertilizer modifying agent suitable for saline-alkali soil and a preparing method and an application method thereof. The technical problem that application of existing biochar fertilizer to the saline-alkali soil is limited due to own alkalinity is solved. The biochar fertilizer modifying agent is prepared from biochar, farmyard manure and a modifying agent containing lactobacilli, wherein the mass ratio of biochar to farmyard manure is 1:(1-4), and the modifying agent containing the lactobacilli accounts for 5-10% of the total mass of the biochar and the farmyard manure. According to the preparing method, agricultural waste corn straw is used as a raw material to be split, the materials are mixed according to the ratio and then fermented, humidity is adjusted, and the biochar fertilizer modifying agent is prepared after sealing fermentation. According to the application ratio for the saline-alkali soil, 5-10 tons of biochar and 20 tons of farmyard manure are applied to one hectare of soil, and soil properties are improved well. The biochar fertilizer modifying agent is suitable for the saline-alkali soil with the high pH value and capable of improving the soil structure, increasing soil nutrition content and increasing the crop yield.
Description
Technical field
The present invention relates to a kind of soil improvement agent, be specifically related to a kind of charcoal fertilizer modifying agent being applicable to salinized soil and preparation method thereof and application process.
Background technology
Soil degradation (desertify, alkalization etc.) is a large limiting factor of restriction economy and environment development, for degenerated soil reparation and to improve also be the only way realizing soil sustainable use.Existing soil improvement agent and soil and fertilizer are research object mainly with agricultural soil, and to increase soil fertility, raising crop yield is main purpose, seldom have the charcoal fertilizer for degenerated soil improvement or modifying agent.
Human and animal excreta after pulverizing and agriculture and forestry organic waste material residue and activator fully mix by the production method of existing charcoal fertilizer mostly according to a certain percentage, and dry, high temperature anaerobic carbonizes, and makes charcoal fertilizer or charcoal base manure.But because charcoal itself is in alkalescence, in salinized soil, use can be restricted.Therefore a kind of modifying agent being applicable to salinized soil of development is badly in need of.
Summary of the invention
The present invention will solve existing charcoal fertilizer and limit in alkalescence the technical problem used in salinized soil due to itself, provides a kind of charcoal fertilizer modifying agent being applicable to salinized soil and preparation method thereof and application process.
In order to solve the problems of the technologies described above, technical scheme of the present invention is specific as follows:
Be applicable to a charcoal fertilizer modifying agent for salinized soil, this charcoal fertilizer modifying agent is made up of charcoal, farm manure and the conditioning agent containing milk-acid bacteria;
The mass ratio of described charcoal and farm manure is 1:1 ~ 4;
The quality of the described conditioning agent containing milk-acid bacteria is 5% ~ 10% of described charcoal and farm manure total mass.
In technique scheme, the described conditioning agent containing milk-acid bacteria is silage.
In technique scheme, in described charcoal fertilizer modifying agent, the mass ratio of charcoal and farm manure is 1:2.
In technique scheme, in described charcoal fertilizer modifying agent, the mass ratio of charcoal and farm manure is 1:4.
Be applicable to a preparation method for the charcoal fertilizer modifying agent of salinized soil, comprise the following steps:
(1) choose agricultural wastes maize straw as raw material, prepare charcoal in 300 ~ 500 DEG C of high temperature cracking after 3 ~ 5 hours, cross 4mm soil sieve after pulverizing for subsequent use;
(2) be that 1:1 ~ 4 take charcoal and mix with farm manure according to charcoal and the mass ratio of farm manure, add the conditioning agent containing milk-acid bacteria that quality is 5% ~ 10% of described charcoal and farm manure total mass again, humidity is adjusted after carrying out common fermentation, sealing secondary fermentation, obtains the charcoal fertilizer modifying agent being applicable to salinized soil.
In technique scheme, described humidity is 60% ~ 70%.
In technique scheme, the time of described fermentation is 1 ~ 2 month.
Be applicable to an application process for the charcoal fertilizer modifying agent of salinized soil, comprise the following steps:
Charcoal fertilizer modifying agent described in applying salinized soil, applying ratio is: 5 ~ 10T/ha charcoal+20T/ha farm manure.
In technique scheme, described applying ratio is: 5T/ha charcoal+20T/ha farm manure.
In technique scheme, described applying ratio is: 10T/ha charcoal+20T/ha farm manure.
The invention has the beneficial effects as follows:
The charcoal fertilizer modifying agent being applicable to salinized soil provided by the invention, that charcoal is mixed with farm manure, after the conditioning agent simultaneously added containing milk-acid bacteria carries out common fermentation, pH can be made to reduce, reach neutral or slightly acidic, to be suitable in the higher salinized soil of pH, as modifying agent, can Soil structure being improved, to increase soil nutrient content and improve crop yield.
The preparation method being applicable to the charcoal fertilizer modifying agent of salinized soil provided by the invention, method for making is simple, and the charcoal fertilizer modifying agent prepared is suitable for the higher salinized soil of pH, can be good at improving Soil structure.
The application process being applicable to the charcoal fertilizer modifying agent of salinized soil provided by the invention, the method to salinized soil according to applying ratio is: 5 ~ 10T/ha charcoal+20T/ha farm manure, preferred 5T/ha charcoal+20T/ha farm manure or 10T/ha charcoal+20T/ha farm manure apply, the total organic carbon of soil, organonitrogen, water capacity can be made to increase all to some extent, and the soil weight and pH all reduce simultaneously.Soil property improves, and plant growth simultaneously and output all obtain front promoter action.
Embodiment
Invention thought of the present invention is: because charcoal itself is in alkalescence, in salinized soil, use can be restricted, and there be limited evidence currently of has the development of the charcoal fertilizer for salinized soil.The present invention attempts to explore a kind of charcoal fertilizer modifying agent being applicable to salinized soil.Because charcoal itself is in alkalescence, if be directly applied to separately in the soil of meta-alkalescence, can increase the Saline Alkali Stress degree of soil to plant, weaken improved effect, the fertilizer efficiency of charcoal itself is lower simultaneously, if mixed with farm manure, after the conditioning agent simultaneously added containing milk-acid bacteria carries out common fermentation, pH can be made to reduce, be suitable in the higher salinized soil of pH as modifying agent or charcoal fertilizer, can Soil structure be improved, increase soil nutrient content and improve crop yield.
The present invention is main research purpose with the improvement of salinized soil, is probed into and verify the feasibility that this modifying agent is produced and applied by indoor Control release and field field experiment.
Choose local a large amount of agricultural wastes maize straw as raw material, 300 ~ 500 DEG C of high temperature cracking prepared charcoal after 3 ~ 5 hours, crossed 4mm soil sieve for subsequent use after pulverizing.
Choose charcoal and farm manure (excrement of animals) according to 1:1,1:2,1:4, three kinds of ratio mixing, add certain proportion (the 5% or 10%) conditioning agent containing milk-acid bacteria, adjust humidity after fermenting, sealing secondary fermentation, obtains for examination charcoal fertilizer.
Indoor Control release: 6 charcoal fertilizer are set and apply gradient, be that subject plant carries out indoor pot experiment with mung bean, by mung bean seed percentage of germination, growth of seedling index, chlorophyll content in leaf blades etc. are evaluation index, preliminary screening goes out comparatively suitable charcoal and farm manure applies ratio, and the addition of conditioning agent containing milk-acid bacteria.Experimentally result, charcoal applies ratio between 5.0T/ha-15.0T/ha, to the accumulation of crop biomass and growth-promoting effect the most obvious, the amount of application of farm manure impels effect to start obviously at more than 15.0T/ha, and the higher effect of applying concentration is more remarkable.Charcoal and farm manure be pre-mixing and fermentation before the application, can reduce the pH of fertilizer, and the vesicular structure of charcoal can adsorb the easy leaching loss nutrient in farm manure, plays the effect of sustained release dosage, also compensate for the deficiency that the fertility of charcoal own is lower.
Embodiment 1
(1) choose agricultural wastes maize straw as raw material, 300 DEG C of high temperature cracking prepared charcoal after 5 hours, crossed 4mm soil sieve for subsequent use after pulverizing;
(2) choose charcoal to mix according to mass ratio 1:1 ratio with farm manure (excrement of animals), add the silage that quality is 5% of charcoal and farm manure total mass again, adjusting humidity after fermenting is 60%, sealing secondary fermentation 1 month, obtains the charcoal fertilizer modifying agent being applicable to salinized soil.
Embodiment 2
(1) choose agricultural wastes maize straw as raw material, 500 DEG C of high temperature cracking prepared charcoal after 3 hours, crossed 4mm soil sieve for subsequent use after pulverizing;
(2) choose charcoal to mix according to the ratio of mass ratio 1:2 with farm manure (excrement of animals), add the silage that quality is 10% of charcoal and farm manure total mass again, adjusting humidity after fermenting is 70%, sealing secondary fermentation 2 months, obtains the charcoal fertilizer modifying agent being applicable to salinized soil.
Embodiment 3
(1) choose agricultural wastes maize straw as raw material, 300 DEG C of high temperature cracking prepared charcoal after 5 hours, crossed 4mm soil sieve for subsequent use after pulverizing;
(2) choose charcoal to mix according to mass ratio 1:4 ratio with farm manure (excrement of animals), add the silage that quality is 8% of charcoal and farm manure total mass again, adjusting humidity after fermenting is 60%, sealing secondary fermentation 1.5 months, obtains the charcoal fertilizer modifying agent being applicable to salinized soil.
What use in above-described embodiment 1-3 is specially silage containing the conditioning agent of milk-acid bacteria, and those skilled in the art can also other the conditioning agent containing milk-acid bacteria of choice for use according to actual needs, will not enumerate here.
Field experiment: choose Technique in Western Jilin Province salinization area as Experimental Base, carry out field experiment, the applying proportioning according to potted plant experiment screening carries out pilot scale.Applying concentration is 5.0T/ha charcoal+5.0T/ha farm manure, and 5.0T/ha charcoal+10.0T/ha farm manure, 5.0T/ha charcoal+20.0T/ha farm manure, 10.0T/ha charcoal+20.0T/ha farm manure, not apply modifying agent in contrast.To Technique in Western Jilin Province salinized soil nutrient element content, water holding capacity, pH after applying according to interpretation of result evaluation charcoal and farm manure, the impact of the soil weight and phytomass and crop yield.
In conjunction with factors such as local ecological condition and running costs, propose to local alkaline soil improved effect the best and to plant-growth and the most effective economically feasible of output increased, ecological friendly modifying agent applies proportioning.From result, when charcoal and farm manure ratio are 1:2 and 1:4, after hatching, the pH of mixing modifying agent can be stabilized in neutral level (6.7-7.2), pilot experiment result is seen, 5.0T/ha charcoal+20.0T/ha farm manure, and 10.0T/ha charcoal+20.0T/ha farm manure two applies ratio crop yield and adds 127.97% and 96.17% respectively, biomass adds 38.5% and 35.7%, and chlorophyll content in leaf blades is not than contrast high 7% to 37% etc.The thousand seed weight of mung bean adds 9% and 8% respectively, soil total organic carbon, organonitrogen, available phosphorus contents, and porosity and water capacity increase all to some extent, and the soil weight (1%-5%) and pH all decrease.Soil property improves, and plant growth and output all obtain front promoter action.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (10)
1. be applicable to a charcoal fertilizer modifying agent for salinized soil, it is characterized in that, this charcoal fertilizer modifying agent is made up of charcoal, farm manure and the conditioning agent containing milk-acid bacteria;
The mass ratio of described charcoal and farm manure is 1:1 ~ 4;
The quality of the described conditioning agent containing milk-acid bacteria is 5% ~ 10% of described charcoal and farm manure total mass.
2. the charcoal fertilizer modifying agent being applicable to salinized soil according to claim 1, is characterized in that, the described conditioning agent containing milk-acid bacteria is silage.
3. the charcoal fertilizer modifying agent being applicable to salinized soil according to claim 1 and 2, is characterized in that, in described charcoal fertilizer modifying agent, the mass ratio of charcoal and farm manure is 1:2.
4. the charcoal fertilizer modifying agent being applicable to salinized soil according to claim 1 and 2, is characterized in that, in described charcoal fertilizer modifying agent, the mass ratio of charcoal and farm manure is 1:4.
5. the preparation method being applicable to the charcoal fertilizer modifying agent of salinized soil according to claim 1, is characterized in that, comprise the following steps:
(1) choose agricultural wastes maize straw as raw material, prepare charcoal in 300 ~ 500 DEG C of high temperature cracking after 3 ~ 5 hours, cross 4mm soil sieve after pulverizing for subsequent use;
(2) be that 1:1 ~ 4 take charcoal and mix with farm manure according to charcoal and the mass ratio of farm manure, add the conditioning agent containing milk-acid bacteria that quality is 5% ~ 10% of described charcoal and farm manure total mass again, humidity is adjusted after carrying out common fermentation, sealing secondary fermentation, obtains the charcoal fertilizer modifying agent being applicable to salinized soil.
6. the preparation method being applicable to the charcoal fertilizer modifying agent of salinized soil according to claim 5, is characterized in that, described humidity is 60% ~ 70%.
7. the preparation method being applicable to the charcoal fertilizer modifying agent of salinized soil according to claim 5, is characterized in that, the time of described fermentation is 1 ~ 2 month.
8. the application process being applicable to the charcoal fertilizer modifying agent of salinized soil according to claim 1, is characterized in that, comprise the following steps:
Charcoal fertilizer modifying agent described in applying salinized soil, applying ratio is: 5 ~ 10T/ha charcoal+20T/ha farm manure.
9. the application process being applicable to the charcoal fertilizer modifying agent of salinized soil according to claim 8, is characterized in that, described applying ratio is: 5T/ha charcoal+20T/ha farm manure.
10. the application process being applicable to the charcoal fertilizer modifying agent of salinized soil according to claim 8, is characterized in that, described applying ratio is: 10T/ha charcoal+20T/ha farm manure.
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| CN201510922483.5A CN105418316A (en) | 2015-12-14 | 2015-12-14 | Biochar fertilizer modifying agent suitable for saline-alkali soil and preparing method and application method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107201229A (en) * | 2017-01-24 | 2017-09-26 | 河北省科学院生物研究所 | A kind of bioremediation agents and its preparation and application with improved soil and regulating and controlling microbial population structure function |
| CN107500893A (en) * | 2017-09-19 | 2017-12-22 | 阿米巴南京生物技术有限责任公司 | A kind of soil conditioner and preparation method thereof |
| CN107853093A (en) * | 2017-11-29 | 2018-03-30 | 河海大学 | A kind of biological modification agent on beach saline-alkali ground and its preparation method and application |
| CN108029270A (en) * | 2017-11-29 | 2018-05-15 | 台州东发建设投资有限公司 | A kind of beach saline land comprehensive processing method |
| CN110366893A (en) * | 2019-07-24 | 2019-10-25 | 中国科学院东北地理与农业生态研究所 | A method of addition charcoal improves saline-alkali grassland soil quality |
| CN115386381A (en) * | 2021-05-24 | 2022-11-25 | 中国科学院沈阳应用生态研究所 | Wetland beach soil conditioner and preparation method thereof |
| CN116584198A (en) * | 2023-06-23 | 2023-08-15 | 甘肃昊洲土壤修复科技有限责任公司 | Soil improvement method for preventing soil acidification, alkalization and desertification |
| CN117720383A (en) * | 2024-02-18 | 2024-03-19 | 天津大学 | Organomineral mixture and method for improving saline-alkali soil and raising seedlings by using same |
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| CN107201229A (en) * | 2017-01-24 | 2017-09-26 | 河北省科学院生物研究所 | A kind of bioremediation agents and its preparation and application with improved soil and regulating and controlling microbial population structure function |
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| CN116584198B (en) * | 2023-06-23 | 2024-02-13 | 甘肃昊洲土壤修复科技有限责任公司 | Soil improvement method for preventing soil acidification, alkalization and desertification |
| CN117720383A (en) * | 2024-02-18 | 2024-03-19 | 天津大学 | Organomineral mixture and method for improving saline-alkali soil and raising seedlings by using same |
| CN117720383B (en) * | 2024-02-18 | 2024-04-30 | 天津大学 | Organomineral mixture and method for improving saline-alkali soil and raising seedlings by using same |
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