CN107325823A - The soil conditioner and soil improvement method in a kind of salt-soda soil - Google Patents
The soil conditioner and soil improvement method in a kind of salt-soda soil Download PDFInfo
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- CN107325823A CN107325823A CN201710702719.3A CN201710702719A CN107325823A CN 107325823 A CN107325823 A CN 107325823A CN 201710702719 A CN201710702719 A CN 201710702719A CN 107325823 A CN107325823 A CN 107325823A
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- 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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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Abstract
The invention provides a kind of soil conditioner in salt-soda soil and soil improvement method, it is related to alkaline land improving field.This soil conditioner is obtained by mixing by flue gas desulfurization waste of fire coal and the acid trade waste of plant source, it can effectively improve the physicochemical character of alkaline land soil, the pH value of soil is reduced, the content of soluble-salt in soil is reduced, and reduce the basicity of soil.This modification method includes：The soil conditioner of a part is mixed with alkaline land soil using flat excute a law；It is spaced and digs pit on salt-soda soil again, after the soil conditioner of remainder is mixed with the alkaline land soil dug out, backfills in hole；Finally salt-soda soil is irrigated.This method cost is low, application process simple, alkaline land soil can be made to recover normal condition within a short period of time using this method.
Description
Technical field
Improve field the present invention relates to alkaline land soil, a kind of soil conditioner in particular to salt-soda soil and
Soil improvement method.
Background technology
The soil salinization is to influence the serious problems of Global Agriculture production and ecological environment, is also current restriction China agricultural
One of two big edphic factors of volume increase.Saline-alkali soil worldwide has huge potentiality to be exploited as a kind of land resource.
At present, China's saline-alkali soil gross area there are about 9.913 × 107hm2, but the salinized soil for still having 80% or so is not yet developed.
Salination control can not only improve the ecological environment of varieties in saline-alkali areas, enrich local Afforestation Landscape general layout, be that bio-diversity is carried
It is ecological good to realize for new habitat, moreover it is possible to the problem of preferably solving to run into regional environment development and forestry economic development
Property circulation and sustainable development provide broad space.Therefore, it is badly in need of seeking effective new in terms of Saline-alkali Field Control and afforestation
Method and new technology carry out renovation and utilization.
The content of the invention
The first object of the present invention is to provide a kind of soil conditioner in salt-soda soil, and this soil conditioner can be effective
Improvement alkaline land soil physicochemical character, reduce soil pH value, reduce soil in soluble-salt content, and reduction soil
The basicity of earth.
The second object of the present invention is to provide a kind of method of alkaline land soil improvement, and this method cost is low, using side
Method is simple, alkaline land soil can be made to recover normal condition within a short period of time using this method.
In order to realize the above-mentioned purpose of the present invention, spy uses following technical scheme：
A kind of soil conditioner in salt-soda soil, soil conditioner is by flue gas desulfurization waste of fire coal and the acid industry of plant source
Discarded object is obtained by mixing, flue gas desulfurization waste of fire coal be 0.8~1.8 parts by weight, plant source acidity trade waste be 0.4~
1.0 parts by weight.
A kind of method of alkaline land soil improvement, it includes：
Flat excute a law is used to mix 75~85wt% soil conditioner for 17~23cm alkaline land soil with earth's surface depth
Close, soil conditioner is sour by the flue gas desulfurization waste of fire coal of 0.8~1.8 parts by weight and the plant source of 0.4~1.0 parts by weight
Property trade waste is mixed to get.
It is spaced and digs pit on salt-soda soil again, 15~25wt% of residue soil conditioner and the alkaline land soil that digs out is mixed
After conjunction, backfill in hole.
Salt-soda soil is irrigated, irrigation quantity is 280~320m3/ mu.
Compared with prior art, beneficial effects of the present invention are：
This soil conditioner that present disclosure is provided, utilizes flue gas desulfurization waste of fire coal and the acid industry of plant source
This two classes discarded object of discarded object, it is possible to increase soil porosity, increase soil nutrient and the biology work for strengthening soil enzyme
Property, and then can effectively improve the physicochemical property of alkaline land soil, the pH value of soil is reduced, soluble-salt in soil is reduced
Content, and the basicity of soil is reduced, alkaline land soil is gradually recovered normal condition.
The method for this alkaline land soil improvement that present disclosure is provided, cost is low, application process is simple, utilizes the party
Method can effectively improve alkaline land soil, make it possible that saline-alkali soil is planted trees, and then effectively contain moving back for local ecosystem
Change, be conducive to recovering and rebuild the rudimentary ecosystem.
Embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the present invention.It is unreceipted specific in embodiment
Condition person, the condition advised according to normal condition or manufacturer is carried out.Agents useful for same or the unreceipted production firm person of instrument, be
The conventional products that can be obtained by commercially available purchase.
Present embodiment provides a kind of soil conditioner in salt-soda soil, soil conditioner by flue gas desulfurization waste of fire coal and
Plant source acidity trade waste is obtained by mixing, and flue gas desulfurization waste of fire coal is 0.8~1.8 parts by weight, plant source acidity work
Industry discarded object is 0.4~1.0 parts by weight.
This soil conditioner, it is discarded using flue gas desulfurization waste of fire coal and this two class of the acid trade waste of plant source
Thing, it is possible to increase the biological activity of soil porosity, increase soil nutrient and enhancing soil enzyme, and then can be effective
Improve the present situation of alkaline land soil, reduce the pH value of soil, reduce the content of soluble-salt in soil, and reduce the alkali of soil
Change degree, makes alkaline land soil gradually recover normal condition.
Flue gas desulfurization waste of fire coal, for the Industry Waste prepared using wet desulfurization of flue gas by limestone-gypsum method technique
Gurry, using the technique of this wet desulphurization, is conducive to obtaining the more excellent flue gas desulfurization waste of fire coal of performance.
Further, in preferred embodiments of the present invention, gypsum content is not less than in flue gas desulfurization waste of fire coal
80wt%, preferably 80~85wt%；Water content is not higher than 12%.The main chemical compositions of gypsum are CaSO4, it can be with salt
Sodium salt (sodium carbonate, sodium acid carbonate) reaction of the alkali ground in soil, generates Na2SO4, calcium ion replacement sodium ion after, on the one hand can
Calcium colloid and organo-mineral colloidal complex are formed, and then changes soil granular structure, the permeability of soil is improved；On the other hand
Surface soil alkalinity can be reduced, so as to eliminate murder by poisoning of the sodium ion to crop.
Selectable, the pH value of flue gas desulfurization waste of fire coal is 7~7.5, and its main active is CaSO4·2H2O,
Particle is tiny loose uniform, and particle diameter is concentrated mainly on 30-60 μm, and objectionable impurities is few, and its quality and fineness are superior to the natural gypsum.
In preferred embodiments of the present invention, the pH value of plant source acidity trade waste is 2~4, and it can be with soil
Hydrolysis occurs for ion, so as to reduce the pH value of soil.Selectable, plant source acidity trade waste includes but not limited
In：At least one of furfural dregs, vinegar grain and vinasse.Furfural dregs are the discarded object produced during biomass by hydrolyzation, its salinity
Content is high, in acidity；Furfural dregs contain substantial amounts of cellulose, hemicellulose, lignin simultaneously, can play improvement basic soil
Purpose.Vinegar grain and vinasse are cereal crops in the remaining residue after making vinegar or wine brewing, wherein containing substantial amounts of vinegar egg
In vain, crude fibre etc., also containing abundant trace element and microorganism, is conducive to improveing basic soil.
Present embodiment also provides a kind of method of alkaline land soil improvement, and it includes：
S1:By the flue gas desulfurization waste of fire coal of 0.8~1.8 parts by weight and the acid work of the plant source of 0.4~1.0 parts by weight
Industry discarded object is mixed, and prepares soil conditioner.
It is selectable, before following step is carried out, in addition to according to the pH value of alkaline land soil, or alkaline land soil
Basicity, determines the consumption of flue gas desulfurization waste of fire coal and the acid trade waste of plant source.Inventor is by reason for many years
Found by with practical studies, for the pH value or basicity of different alkaline land soils, selectively adjustment coal-fired flue-gas takes off
The consumption of sulphur discarded object and the acid trade waste of plant source, it is possible to increase the effect of alkaline land soil improvement.
When the pH value of alkaline land soil is more than 9, or when the basicity of alkaline land soil is more than 25%, coal-fired flue-gas takes off
The consumption of sulphur discarded object is 1.6~1.8 tons/mu, and the consumption of plant source acidity trade waste is 0.8~1.0 ton/mu.
When the pH value of alkaline land soil is 8~9, or when the basicity of alkaline land soil is 16~25%, coal-fired cigarette
The consumption of desulfurization discarded object is 1.2~1.6 tons/mu, and the consumption of plant source acidity trade waste is 0.6~0.8 ton/mu.
When the pH value of alkaline land soil is 7~8, or when the basicity of alkaline land soil is less than 16%, coal-fired cigarette
The consumption of desulfurization discarded object is 0.8~1.0 ton/mu, and the consumption of plant source acidity trade waste is 0.4~0.6 ton/mu.
S2:Use flat excute a law 75~85wt% soil conditioner and alkaline land soil of the earth's surface depth for 17~23cm
Mixing.
Further, put down excute a law including：75~85wt% soil conditioner is spread fertilizer over the fields in saline and alkaline ground surface, then in rotary tillage
Soil conditioner is set to be mixed with earth's surface depth for 17~23cm alkaline land soil afterwards, i.e., progress plough, which is turned over, after rotary tillage makes itself and depth
17~23cm of degree soil is fully mixed, and is preferably to be mixed with 20cm soil；
S3:It is spaced and digs pit on salt-soda soil again, by 15~25wt% of residue soil conditioner and the salt-soda soil dug out soil
After earth mixing, backfill in hole.
This time applying for soil conditioner is excuted a law using hole, i.e., according to the vegetation quantity to be planted in the future, such as to plant
Dungarunga, then can excavate plantation hole according to the strain number of the estimated plantation of unit area on salt-soda soil, then by remaining 15~
25wt% soil conditioner proportional assignment is uniform, makes after it is well mixed with the alkaline land soil dug out in each hole, then
Backfill in hole.Excuted a law using this hole, can targetedly improve local soil, be easy to the later stage to plant or transplant such as small
The vegetation of arbor etc, improves the survival rate of vegetation, and then progressively improves the present situation in salt-soda soil.
S4:Salt-soda soil is irrigated, irrigation quantity is 280~320m3/ mu.
Salt-soda soil is irrigated, is conducive to the desalination in salt-soda soil to drop alkali effect.It is more preferred, using broad irrigation,
Irrigation quantity is 300m3Preserved soil moisture after/mu, flood irrigation Fu Pao using agronomic measures such as rake, a kind of farm tools, delay moisture evaporation, prevent underground
Salinity in water is brought to earth's surface with water evaporation.
Further, can again it be irrigated in the spring of Second Year for applying soil conditioner, irrigation quantity is 120~
140m3/ mu, preferably 130m3/ mu.
The method of this alkaline land soil improvement, cost is low, application process is simple, can effectively improve saline and alkaline using this method
Ground soil, makes it possible that saline-alkali soil is planted trees, and then effectively contains the degeneration of local ecosystem, is conducive to recovering and again
Build the rudimentary ecosystem.
The feature and performance to the present invention are described in further detail with reference to embodiments：
Embodiment 1
The present embodiment provides a kind of soil conditioner in salt-soda soil, and this soil conditioner is used to improve pH more than 9, alkalization
Heavy saline soil of the degree more than 25%, it is obtained by mixing by coal-fired flue gas desulfurization waste of fire coal and vinasse, coal-fired flue-gas
Desulfuration waste is 1.6 parts by weight, and vinasse are 1.0 parts by weight.Wherein, the gypsum content in flue gas desulfurization waste of fire coal is
80wt%, moisture is 10wt%.
Use this soil conditioner improvement pH be more than 9, basicity be more than 25% heavy saline method for：
A. flat excute a law is used to mix 75wt% soil conditioner for 23cm alkaline land soil with earth's surface depth.
B. digged pit again on salt-soda soil by planting density, by remaining 25wt% soil conditioner mean allocation, and with it is every
After the alkaline land soil mixing dug out in individual hole, backfill in hole.
C. salt-soda soil is irrigated, irrigation quantity is 320m3/ mu.
Embodiment 2
The present embodiment provides a kind of soil conditioner in salt-soda soil, and this soil conditioner is used to improve pH more than 9, alkalization
Heavy saline soil of the degree more than 25%, it is obtained by mixing by flue gas desulfurization waste of fire coal and furfural dregs, and coal-fired flue-gas takes off
Sulphur discarded object is 1.7 parts by weight, and furfural dregs are 0.9 parts by weight.Wherein, the gypsum content in flue gas desulfurization waste of fire coal is
85wt%, moisture is 12wt%.
Use this soil conditioner improvement pH be more than 9, basicity be more than 25% heavy saline method for：
A. flat excute a law is used to mix 80wt% soil conditioner for 23cm alkaline land soil with earth's surface depth.
B. digged pit again on salt-soda soil by planting density, by remaining 20wt% soil conditioner mean allocation, and with it is every
After the alkaline land soil mixing dug out in individual hole, backfill in hole.
C. salt-soda soil is irrigated by the way of broad irrigation, irrigation quantity is 300m3Used after/mu, flood irrigation Fu Pao
The agronomic measures such as rake, a kind of farm tools are preserved soil moisture.
Embodiment 3
The present embodiment provides a kind of soil conditioner in salt-soda soil, and this soil conditioner is used to improve pH more than 9, alkalization
Heavy saline soil of the degree more than 25%, it is obtained by mixing by flue gas desulfurization waste of fire coal and vinegar grain, coal-fired flue gas desulfurization
Discarded object is 1.8 parts by weight, and vinegar grain is 0.8 parts by weight.Wherein, the gypsum content in flue gas desulfurization waste of fire coal is
82wt%, moisture is 8wt%.
Use this soil conditioner improvement pH be more than 9, basicity be more than 25% heavy saline method for：
A. flat excute a law is used to mix 85wt% soil conditioner for 23cm alkaline land soil with earth's surface depth.
B. digged pit again on salt-soda soil by planting density, by remaining 15wt% soil conditioner mean allocation, and with it is every
After the alkaline land soil mixing dug out in individual hole, backfill in hole.
C. salt-soda soil is irrigated, irrigation quantity is 280m3/ mu.
It is more than the salt-soda soil that 9, basicity is more than 25% for pH, after being handled using embodiment 1~3 after 1 year, soil improvement
Situation it is as shown in table 1：
Table 1.
As shown in Table 1, the saline-alkali land soil conditioner that the embodiment of the present invention 1~3 is provided, and alkaline land soil improvement
Method, is more than 9 and heavy saline soil of the basicity more than 25% for pH, and improved effect is notable.
Embodiment 4
The present embodiment provides a kind of soil conditioner in salt-soda soil, and it is 8, alkalization that this soil conditioner, which is used to improve pH value,
The alkaline land soil for 16% is spent, it is obtained by mixing by flue gas desulfurization waste of fire coal and vinegar grain, coal-fired flue gas desulfurization is discarded
Thing is 1.2 parts by weight, and vinegar grain is 0.6 parts by weight.Wherein, the gypsum content in flue gas desulfurization waste of fire coal is 82wt%, water
It is 10wt% to divide content.
The method for using the heavy saline that this soil conditioner improvement pH value is 16% for 8, basicity is：
A. flat excute a law is used to mix 80wt% soil conditioner for 20cm alkaline land soil with earth's surface depth.
B. digged pit again on salt-soda soil by planting density, by remaining 20wt% soil conditioner mean allocation, and with it is every
After the alkaline land soil mixing dug out in individual hole, backfill in hole.
C. salt-soda soil is irrigated by the way of broad irrigation, irrigation quantity is 300m3Used after/mu, flood irrigation Fu Pao
The agronomic measures such as rake, a kind of farm tools are preserved soil moisture.
Embodiment 5
The present embodiment provides a kind of soil conditioner in salt-soda soil, and it is 8.5, alkali that this soil conditioner, which is used to improve pH value,
Change degree is 20% alkaline land soil, and it is obtained by mixing by flue gas desulfurization waste of fire coal and furfural dregs, coal-fired flue gas desulfurization
Discarded object is 1.2~1.4 parts by weight, and furfural dregs are 0.6~0.8 parts by weight.Wherein, the gypsum in flue gas desulfurization waste of fire coal
Content is 82wt%, and moisture is 10wt%.
Use the method and embodiment 4 for the heavy saline that this soil conditioner improvement pH value is 20% for 8.5, basicity
It is basically identical.
Embodiment 6
The present embodiment provides a kind of soil conditioner in salt-soda soil, and it is 8.7, alkali that this soil conditioner, which is used to improve pH value,
Change degree is 24% alkaline land soil, and it is obtained by mixing by flue gas desulfurization waste of fire coal and vinasse, and coal-fired flue gas desulfurization gives up
Gurry is 1.4 parts by weight, and vinasse are 0.8 parts by weight.Wherein, the gypsum content in flue gas desulfurization waste of fire coal is 82wt%,
Moisture is 10wt%.
Use the method and embodiment 4 for the heavy saline that this soil conditioner improvement pH value is 24% for 8.7, basicity
It is basically identical.
It is the salt-soda soil that 8~9, basicity is 16~25% for pH, after being handled using embodiment 4~6 after 1 year, soil
The situation of improvement is as shown in table 2：
Table 2.
As shown in Table 2, the saline-alkali land soil conditioner that the embodiment of the present invention 4~6 is provided, and alkaline land soil improvement
Method, is the alkaline land soil that 8~9, basicity is 16~25% for pH, and improved effect is notable.
Embodiment 7
The present embodiment provides a kind of soil conditioner in salt-soda soil, and it is 7.8, alkali that this soil conditioner, which is used to improve pH value,
Change degree is 15% alkaline land soil, and it is obtained by mixing by flue gas desulfurization waste of fire coal and vinegar grain, and coal-fired flue gas desulfurization gives up
Gurry is 1.0 parts by weight, and vinegar grain is 0.6 parts by weight.Wherein, the gypsum content in flue gas desulfurization waste of fire coal is 84wt%,
Moisture is 8wt%.
The method for using the heavy saline that this soil conditioner improvement pH value is 15% for 7.8, basicity is：
A. flat excute a law is used to mix 80wt% soil conditioner for 20cm alkaline land soil with earth's surface depth.
B. digged pit again on salt-soda soil by planting density, by remaining 20wt% soil conditioner mean allocation, and with it is every
After the alkaline land soil mixing dug out in individual hole, backfill in hole.
C. salt-soda soil is irrigated by the way of broad irrigation, irrigation quantity is 300m3Used after/mu, flood irrigation Fu Pao
The agronomic measures such as rake, a kind of farm tools are preserved soil moisture.
Embodiment 8
The present embodiment provides a kind of soil conditioner in salt-soda soil, and it is 7.4, alkali that this soil conditioner, which is used to improve pH value,
Change degree is 12% alkaline land soil, and it is obtained by mixing by flue gas desulfurization waste of fire coal and furfural dregs, coal-fired flue gas desulfurization
Discarded object is 0.9 parts by weight, and furfural dregs are 0.5 parts by weight.Wherein, the gypsum content in flue gas desulfurization waste of fire coal is
82wt%, moisture is 8wt%.
Use the method and embodiment 7 for the heavy saline that this soil conditioner improvement pH value is 12% for 7.4, basicity
It is basically identical.
Embodiment 9
The present embodiment provides a kind of soil conditioner in salt-soda soil, and it is 7.2, alkali that this soil conditioner, which is used to improve pH value,
Change degree is 10.4% alkaline land soil, and it is obtained by mixing by flue gas desulfurization waste of fire coal and vinasse, coal-fired flue gas desulfurization
Discarded object is 0.8 parts by weight, and vinasse are 0.4 parts by weight.Wherein, the gypsum content in flue gas desulfurization waste of fire coal is
82wt%, moisture is 8wt%.
Use method and the implementation for the heavy saline that this soil conditioner improvement pH value is 10.4% for 7.2, basicity
Example 7 is basically identical.
It is the salt-soda soil less than 8, basicity less than 16% for pH, after being handled using embodiment 7~9 after 1 year, soil changes
Good situation is as shown in table 3：
Table 3.
As shown in Table 3, the saline-alkali land soil conditioner that the embodiment of the present invention 7~9 is provided, and alkaline land soil improvement
Method, is the alkaline land soil less than 8, basicity less than 16% for pH, and improved effect is notable.
In summary, this soil conditioner that present embodiment is provided, utilizes flue gas desulfurization waste of fire coal and plant
Source acidity trade waste this two classes discarded object, it is possible to increase soil porosity, increase soil nutrient and enhancing soil enzyme
Biological activity, and then can effectively improve the present situation of alkaline land soil, the pH value of soil is reduced, is reduced soluble in soil
The content of salt, and the basicity of soil is reduced, alkaline land soil is gradually recovered normal condition.
The method for this alkaline land soil improvement that present embodiment is provided, cost is low, application process is simple, utilizes the party
Method can effectively improve alkaline land soil, make it possible that saline-alkali soil is planted trees, and then effectively contain moving back for local ecosystem
Change, be conducive to recovering and rebuild the rudimentary ecosystem.
Although illustrate and describing the present invention with specific embodiment, but it will be appreciated that without departing substantially from the present invention's
Many other changes and modification can be made in the case of spirit and scope.It is, therefore, intended that in the following claims
Including belonging to all such changes and modifications in the scope of the invention.
Claims (10)
1. a kind of soil conditioner in salt-soda soil, it is characterised in that the soil conditioner by flue gas desulfurization waste of fire coal and
Plant source acidity trade waste is obtained by mixing, and the flue gas desulfurization waste of fire coal is 0.8~1.8 parts by weight, the plant
Source acidity trade waste is 0.4~1.0 parts by weight.
2. the soil conditioner in salt-soda soil according to claim 1, it is characterised in that the acid industrial waste of the plant source
Thing includes at least one of furfural dregs, vinegar grain and vinasse.
3. the soil conditioner in salt-soda soil according to claim 1, it is characterised in that the flue gas desulfurization waste of fire coal
Prepared by Limestone-gypsum Wet Flue Gas Desulfurization Process technique.
4. the soil conditioner in salt-soda soil according to claim 3, it is characterised in that the flue gas desulfurization waste of fire coal
The content of middle gypsum is 80~85wt%.
5. a kind of method of alkaline land soil improvement, it is characterised in that it includes：
Flat excute a law is used to mix the 75~85wt% soil conditioner and earth's surface depth for 17~23cm alkaline land soil
Close, the soil conditioner is the plant of flue gas desulfurization waste of fire coal by 0.8~1.8 parts by weight and 0.4~1.0 parts by weight
Source acidity trade waste is mixed to get；
It is spaced and digs pit on salt-soda soil again, 15~25wt% of the residue soil conditioner and the alkaline land soil that digs out is mixed
After conjunction, backfill in the hole；And salt-soda soil is irrigated, irrigation quantity is 280~320m3/ mu.
6. the method for alkaline land soil according to claim 5 improvement, it is characterised in that it is described it is flat excute a law including：By 75
~85wt% the soil conditioner is spread fertilizer over the fields in saline and alkaline ground surface, then makes after rotary tillage the soil conditioner and earth's surface depth
Mixed for 17~23cm alkaline land soil.
7. the method for alkaline land soil improvement according to claim 5, it is characterised in that excute a law it carrying out described put down
Before, in addition to：According to the pH value of alkaline land soil, the flue gas desulfurization waste of fire coal and the acid industry of the plant source are determined
The consumption of discarded object.
8. the method for alkaline land soil improvement according to claim 7, it is characterised in that as the pH of the alkaline land soil
When value is more than 9, the consumption of the flue gas desulfurization waste of fire coal is 1.6~1.8 tons/mu, the acid industrial waste of the plant source
The consumption of thing is 0.8~1.0 ton/mu.
9. the method for alkaline land soil improvement according to claim 7, it is characterised in that as the pH of the alkaline land soil
Be worth for 8~9 when, the consumption of the flue gas desulfurization waste of fire coal is 1.2~1.6 tons/mu, the acid industrial waste of the plant source
The consumption of thing is 0.6~0.8 ton/mu.
10. the method for alkaline land soil improvement according to claim 7, it is characterised in that when the alkaline land soil
When pH value is 7~8, the consumption of the flue gas desulfurization waste of fire coal is 0.8~1.0 ton/mu, the acid Industry Waste of the plant source
The consumption of gurry is 0.4~0.6 ton/mu.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110272744A (en) * | 2019-07-08 | 2019-09-24 | 宁夏大学 | A kind of compound desulfurized gypsum biomass carbon base alkali-affected soil conditioner and the preparation method and application thereof |
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