CN105199741A - Alkali-affected soil amendment and preparation method thereof - Google Patents
Alkali-affected soil amendment and preparation method thereof Download PDFInfo
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- CN105199741A CN105199741A CN201510701799.1A CN201510701799A CN105199741A CN 105199741 A CN105199741 A CN 105199741A CN 201510701799 A CN201510701799 A CN 201510701799A CN 105199741 A CN105199741 A CN 105199741A
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Abstract
The invention discloses an alkali-affected soil amendment and its preparation method. According to the invention, cotton stalk is carbonized to prepare cotton stalk charcoal; moisture content of desulfurized gypsum is controlled; and cotton stalk charcoal, desulfurized gypsum, fulvic acid and compound sodium nitrate are mixed according to a certain ratio so as to prepare the alkali-affected soil amendment. The alkali-affected soil amendment contains, by weight, 200-300 parts of cotton stalk charcoal, 500-800 parts of desulfurized gypsum, 100-200 parts of fulvic acid and 2-5 parts of compound sodium nitrate. The prepared alkali-affected soil amendment can improve chemical composition of soil by replacing lots of sodium ions in soil. Thus, soil forms an aggregated structure, water permeability and air permeability of soil are enhanced, and a good environment is created for the growth of crops. The alkali-affected soil amendment plays an important role and is of great significance.
Description
Technical field
The present invention relates to the technical field of alkaline land improving, specifically, the present invention relates to the technical field of a kind of alkali-affected soil modifying agent and preparation method thereof.
Background technology
Xinjiang is located in innerland, Eurasia, owing to evaporating the climate characteristic of high temperature and drought and the interior basin terrain feature of closure of large, little precipitation, just forms large-area saline-alkali soil.According to investigations, all kinds of saline-alkali soil areas in Xinjiang reach 1336.1 × 104hm
2, account for 36.8% of national saline-alkali soil area, be mainly distributed in Edge of Oasis and oasis inner, be also sporadicly distributed in around desert edge, the soak in Gobi deserf and mountain region, spring.Xinjiang saline-alkali soil kind is many, is called as the museum of world's saline-alkali soil, and this is the natural resources that a kind of potentiality are very large.The new breakthrough over nearly 10 years there not being saline-alkali soil research in Xinjiang on Theories and methods, mainly still take large hydraulic pressure salt, drip irrigation presses down salt, transform the measure such as canal system, agrochemistry improvement, focus on the optimum combination of various single technology, the comprehensive regulation is carried out to region, and along with the increase of population, the continuous expansion of cultivated area and the critical shortage of water resources, the application of new agricultural technology, new tillage translocation, salting of soil problem becomes increasingly conspicuous, and need have theory, the techniques and methods of new improvement salinized soil.
Saline-alkali soil refers to the total amount of water soluble salt in upper soll layer or sublayer more than 1-2g/kg(or saturated mud lixiviate specific conductivity (EC) more than 4ms/cm, or alkalization of soils degree (ESP) soil more than 10%.According to this standard, China's saline-alkali soil distribution widely, the too high Soil structure that causes of soil ESP value changes, soil is difficult to form crumb structure, soil permeability, air permeability are poor, soil nutrient runs off, and makes plant cannot complete normal growth, and this is that alkali-affected soil cannot the major reason of long-term cropping or low yield.This is also one of factor of restriction agriculture in arid areas development.Alkalinization often occurs together with demineralising process, but desalination might not cause alkalization.When alkalinization is due to Soil Desalting, sodium ion in the soil solution exchanges mutually with the calcium in soil colloid, magnesium ion, make soil colloid adsorb more exchangeable sodium, soil is strong basicity reaction, and pH is at more than 8.5-9, soil physical properties is worsened, soil high granular, expands time wet, hardens time dry, permeability is very poor, growing of serious obstruction crop.Generally account for more than 20% of exchangeable cation total amount for alkaline earth index with exchangeable sodium.
At present, the method for domestic alkaline land improving mainly contains following three aspects: (1) water conservancy improves: well array well irrigation, large hydraulic pressure salt, open drain salt discharge, hidden pipe salt discharge; (2) chemical modifying: use phosphogypsum, calcium superphosphate, humic acid, the dregs of fat etc.; (3) biological modification: plantation salt-tolerant plant Suaeda salsa, extra large covering etc., or use biological organic fertilizer etc.These modification methods cut both ways, water resources industry instant effect, but quantities is large, and cost is serious, and chemical modifying measure function singleness, effect is suitable because of ground, biological modification technology, and the cycle is long, and economic benefit is low.Although about preparing the research common report of soil-repairing agent for improveing saltings, about being 1%-1.8% for soil salt content, alkalization of soils degree is 30-40% severe alkali-affected soil, and the research preparing soil improvement agent has no report.
Summary of the invention
Be 1%-1.8% for having no relevant in prior art for soil salt content, alkalization of soils degree is the state of the art that research that 30-40% severe alkali-affected soil prepares soil improvement agent has no report, and the present invention aims to provide a kind of alkali-affected soil modifying agent and preparation method thereof.Alkali-affected soil modifying agent prepared by the present invention, by sodium ions a large amount of in displacement soil, improve soil chemistry composition, the salinity of soil and basicity are reduced, make Zinc fractions aggregate structure, increase soil water permeability, air permeability, for good environment is created in plant growth, the aspects such as the seedling rate of raising cotton, seeding corn and other crops and output all have important function and significance.
The present invention adopts main technical scheme:
Cotton stalk charcoal is prepared by carrying out charing to cotton stalk, control the moisture content of desulfurated plaster, according to certain proportioning mixing cotton stalk charcoal, desulfurated plaster, xanthohumic acid and multiple SODIUMNITRATE, prepare alkali-affected soil modifying agent, wherein cotton stalk charcoal 200-300 part, desulfurated plaster 500-800 part, xanthohumic acid 100-200 part, multiple SODIUMNITRATE 2-5 part.Meanwhile, the optimum formula providing alkali-affected soil modifying agent is desulfurated plaster 600 parts, cotton stalk charcoal 300 parts, xanthohumic acid 100 parts, sodium nitrophenolate 3 parts.Alkali-affected soil modifying agent prepared by the present invention, by sodium ions a large amount of in displacement soil, improve soil chemistry composition, the salinity of soil and basicity are reduced, make Zinc fractions aggregate structure, increase soil water permeability, air permeability, for good environment is created in plant growth, the aspects such as the seedling rate of raising cotton, seeding corn and other crops and output all have important function and significance.
The present invention specifically provides a kind of alkali-affected soil modifying agent and preparation method thereof, and concrete preparation method's step is as follows:
(1) cotton stalk charing: the quarter butt cotton stalk being cut to 5-8cm, and put into long 19cm, wide 13cm, the high iron ware with cover for 8cm, compacting covers tightly container lid, and putting into temperature is that the retort furnace of 300 DEG C carbonizes, and carbonization time is 2 hours.
(2) preparation of cotton stalk charcoal: extinguish the spark that the cotton stalk of charing step (1) prepared occurs with distilled water, natural air drying 1d, then dries 8h, be ground into powdery with pulverizer in the baking oven of 105 DEG C, for subsequent use:
(3) preparation of desulfurated plaster: by desulfurated plaster moisture controlled 8%, and be ground into powdery with pulverizer, for subsequent use;
(4) raw-material preparation: according to weight part ratio meter, cotton stalk charcoal 200-300 part prepared by step (2), desulfurated plaster 500-800 part prepared by step (3), xanthohumic acid 100-200 part, multiple SODIUMNITRATE 2-5 part.
(5) preparation of finished product: mixed fully by starting material prepared by step (4), grinding, crosses 40-100 mesh sieve, can prepare alkali-affected soil modifying agent.
Described desulfurated plaster, xanthohumic acid and multiple SODIUMNITRATE are commercially available common material.
Concrete, the optimum formula that the invention provides alkali-affected soil modifying agent counts desulfurated plaster 600 parts according to weight part ratio, cotton stalk charcoal 300 parts, xanthohumic acid 100 parts, sodium nitrophenolate 3 parts.
Cotton stalk charcoal in the present invention is that cotton stalk is prepared by low-temperature carbonization, has cellular structure, can promote Zinc fractions crumb structure; Desulfurated plaster has adjustment soil pH value, utilizes the Na in Ca displacement soil colloid, improves Soil structure, promote that soil granular is formed; Xanthohumic acid can change that saliferous in soil is high, the physicochemical character of excessivelys strong, the Soil structure difference of alkalescence, and promote that soil agreegate is formed, raising soil nutrient content, promotion plant is to effects such as the absorptions of nutrient; Sodium nitrophenolate is a kind of powerful cell-activating agent, with energy rapid permeability after plant contact in plant materials, promotes the protoplasma flowing of cell, improves cell viability.
The problem adopting existing common practise as prior art basis is newly created about new invention.In fact, except the invention of initiative, any one innovation and creation is all based on too busy to get away prior art means and technology essential factor, is all adopt the result through innovation further on prior art means basis.For the technology such as charing, pulverizing, moisture controlled, mixing be all prior art basis, but the time of cotton stalk charing, temperature, raw-material collocation, raw-material proportionings etc. all need to be verified by scientific experiment, all need repeatedly to verify through the unpredictalbe scientific experimentation of series draw for preparing alkali-affected soil modifying agent.Just because of these reasons, although the application make use of based on routine techniques means, and provide a kind of alkali-affected soil modifying agent and preparation method thereof through scientific experiment on this basis, for basicity or the higher soil of sodium adsorption ratio, by sodium ions a large amount of in displacement soil, improve soil chemistry composition, make Zinc fractions aggregate structure, increase soil water permeability, air permeability, for good environment is created in plant growth, simultaneously, alkali-affected soil modifying agent prepared by the present invention also has the composition of Promoting plant growth, the growth vigor of plant in alkali-affected soil can be improved, for good environment is created in plant growth, improve cotton, the seedling rate of seeding corn and other crops and output, significantly good technique effect is obtained for the quality improving alkali-affected soil.
by implementing the concrete summary of the invention of the present invention, following beneficial effect can be reached:
(1) the alkali-affected soil modifying agent that prepared by the present invention can improve the quality of alkali-affected soil, obtain significantly outstanding technique effect: soil salt content can be made to be 1.8%, basicity be 30% severe alkali-affected soil salinity drop to 0.8%, alkalization of soils degree drops to 8%; Soil salt content can be made to be 1.6%, basicity be 40% severe alkali-affected soil salinity drop to 0.7%, alkalization of soils degree drops to 7%, and the soil after improvement belongs to non-alkalized soil.
(2) the alkali-affected soil modifying agent prepared of the present invention, can improve seedling rate and the output of cotton and corn, the seedling rate of cotton and corn improves 28.3% and 40% respectively, and the output of cotton and corn improves 106 kgs/acre and 206 kgs/acre respectively.
(3) the alkali-affected soil modifying agent prepared of the present invention, by sodium ions a large amount of in displacement soil, improve soil chemistry composition, make Zinc fractions aggregate structure, increase soil water permeability, air permeability, for good environment is created in plant growth, simultaneously, alkali-affected soil modifying agent prepared by the present invention composition also containing Promoting plant growth, can improve the growth vigor of plant in alkali-affected soil.
Embodiment
, for embodiment, the present invention is described below, but the present invention is not limited to following embodiment.
Desulfurated plaster, xanthohumic acid and multiple SODIUMNITRATE are commercially available common material.
The all raw and auxiliary materials selected in the present invention are all well known selecting, and the % related in the present invention is weight percentage, unless otherwise indicated.
embodiment one: alkali-affected soil modifying agent and preparation method thereof
The invention provides alkali-affected soil modifying agent and preparation method thereof, concrete preparation method's step is as follows:
(1) cotton stalk charing: the quarter butt cotton stalk being cut to 5-8cm, and put into self-control long 19cm, wide 13cm, the high iron ware with cover for 8cm, compacting covers tightly iron ware lid, and putting into temperature is that the retort furnace of 300 DEG C carbonizes, and carbonization time is 2 hours.
(2) preparation of cotton stalk charcoal: extinguish the spark that the cotton stalk of charing step (1) prepared occurs with distilled water, natural air drying 1d, then dries 8h, be ground into powdery with pulverizer in the baking oven of 105 DEG C, for subsequent use:
(3) preparation of desulfurated plaster: by desulfurated plaster moisture controlled 8%, and be ground into powdery with pulverizer, for subsequent use;
(4) raw-material preparation: according to weight part ratio meter, cotton stalk charcoal 200-300 part prepared by step (2), desulfurated plaster 500-800 part prepared by step (3), xanthohumic acid 100-200 part, multiple SODIUMNITRATE 2-5 part.
(5) preparation of finished product: mixed fully by starting material prepared by step (4), grinding, crosses 40-100 mesh sieve, can prepare alkali-affected soil modifying agent.
The cotton stalk charcoal selected in the present invention is that cotton stalk is prepared by low-temperature carbonization, has cellular structure, can promote Zinc fractions crumb structure; Desulfurated plaster has adjustment soil pH value, utilizes the Na in Ca displacement soil colloid, improves Soil structure, promote that soil granular is formed; Xanthohumic acid can change that saliferous in soil is high, the physicochemical character of excessivelys strong, the Soil structure difference of alkalescence, and promote that soil agreegate is formed, raising soil nutrient content, promotion plant is to effects such as the absorptions of nutrient; Sodium nitrophenolate is a kind of powerful cell-activating agent, with energy rapid permeability after plant contact in plant materials, promotes the protoplasma flowing of cell, improves cell viability.
The problem adopting existing common practise as prior art basis is newly created about new invention.In fact, except the invention of initiative, any one innovation and creation is all based on too busy to get away prior art means and technology essential factor, is all adopt the result through innovation further on prior art means basis.For the technology such as charing, pulverizing, moisture controlled, mixing be all prior art basis, but the time of cotton stalk charing, temperature, raw-material collocation, raw-material proportionings etc. all need to be verified by scientific experiment, all need repeatedly to verify through the unpredictalbe scientific experimentation of series draw for preparing alkali-affected soil modifying agent.Just because of these reasons, although the application make use of based on routine techniques means, and provide a kind of alkali-affected soil modifying agent and preparation method thereof through scientific experiment on this basis, for basicity (ESP) or the higher soil of sodium adsorption ratio (SAR), by sodium ions a large amount of in displacement soil, improve soil chemistry composition, make Zinc fractions aggregate structure, increase soil water permeability, air permeability, for good environment is created in plant growth, simultaneously, this modifying agent also has the composition of Promoting plant growth, the growth vigor of plant in alkali-affected soil can be improved, significantly good technique effect is obtained for the quality improving alkali-affected soil.
embodiment two: alkali-affected soil modifying agent and preparation method thereof
The invention provides alkali-affected soil modifying agent and preparation method thereof, concrete preparation method's step is as follows:
(1) cotton stalk charing: be the quarter butt of 5-8cm by cotton stalk cutter knife, and put into homemade long 19cm, wide 13cm, the high iron ware with cover for 8cm, compacting covers tightly lid, and putting into temperature is that the retort furnace of 300 DEG C carbonizes, and carbonization time is 2 hours.
(2) preparation of cotton stalk charcoal: extinguish the spark that the cotton stalk of charing step (1) prepared occurs with distilled water, natural air drying 1d, then dries 8h, be ground into powdery with pulverizer in the baking oven of 105 DEG C, for subsequent use.
(3) preparation of desulfurated plaster: by desulfurated plaster moisture controlled 8%, and be ground into powdery with pulverizer, for subsequent use.
(4) raw-material preparation: according to weight part ratio meter, cotton stalk charcoal 300 parts prepared by step (2), desulfurated plaster 600 parts prepared by step (3), xanthohumic acid 100 parts, multiple SODIUMNITRATE 3 parts.
(5) preparation of finished product: mixed fully by starting material prepared by step (4), grinding, crosses 40-100 mesh sieve, prepares alkali-affected soil modifying agent.
The alkali-affected soil modifying agent utilizing the present embodiment to prepare is improved alkali-affected soil, and experimental result is: before using, the salt of alkali-affected soil is divided into 1.5%, alkalizes as degree 41%; Use the salt of rear alkali-affected soil to be divided into 0.9%, basicity is 12%; Visible, salinity and the basicity of alkali-affected soil all have dropped, and the quality of alkali-affected soil is improved.
embodiment three: alkali-affected soil modifying agent and preparation method thereof
The invention provides alkali-affected soil modifying agent and preparation method thereof, concrete preparation method's step is as follows:
(1) cotton stalk charing: the quarter butt cotton stalk being cut to 5-8cm, and put into homemade long 19cm, wide 13cm, the high iron ware with cover for 8cm, compacting covers tightly lid, and putting into temperature is that the retort furnace of 300 DEG C carbonizes, and carbonization time is 2 hours.
(2) preparation of cotton stalk charcoal: extinguish the spark that the cotton stalk of charing step (1) prepared occurs with distilled water, natural air drying 1d, then dries 8h, be ground into powdery with pulverizer in the baking oven of 105 DEG C, for subsequent use.
(3) preparation of desulfurated plaster: by desulfurated plaster moisture controlled 8%, and be ground into powdery with pulverizer, for subsequent use.
(4) raw-material preparation: according to weight part ratio meter, cotton stalk charcoal 200 parts prepared by step (2), desulfurated plaster 700 parts prepared by step (3), xanthohumic acid 150 parts, multiple SODIUMNITRATE 5 parts.
(5) preparation of finished product: mixed fully by starting material prepared by step (4), grinding, crosses 40-100 mesh sieve, prepares alkali-affected soil modifying agent.
The alkali-affected soil modifying agent utilizing the present embodiment to prepare is improved alkali-affected soil, and experimental result is: before using, the salt of alkali-affected soil is divided into 1.1%, alkalizes as degree 33%; Use the salt of rear alkali-affected soil to be divided into 0.9%, basicity is 10%; Visible, salinity and the basicity of alkali-affected soil all have dropped, and the quality of alkali-affected soil is improved.
embodiment four: alkali-affected soil modifying agent and preparation method thereof
The invention provides alkali-affected soil modifying agent and preparation method thereof, concrete preparation method's step is as follows:
(1) cotton stalk charing: the quarter butt cotton stalk being cut to 5-8cm, and put into homemade long 19cm, wide 13cm, the high iron ware with cover for 8cm, compacting covers tightly lid, and putting into temperature is that the retort furnace of 300 DEG C carbonizes, and carbonization time is 2 hours.
(2) preparation of cotton stalk charcoal: extinguish the spark that the cotton stalk of charing step (1) prepared occurs with distilled water, natural air drying 1d, then dries 8h, be ground into powdery with pulverizer in the baking oven of 105 DEG C, for subsequent use.
(3) preparation of desulfurated plaster: by desulfurated plaster moisture controlled 8%, and be ground into powdery with pulverizer, for subsequent use.
(4) raw-material preparation: according to weight part ratio meter, cotton stalk charcoal 300 parts prepared by step (2), desulfurated plaster 500 parts prepared by step (3), xanthohumic acid 200 parts, multiple SODIUMNITRATE 2 parts.
(5) preparation of finished product: mixed fully by starting material prepared by step (4), grinding, crosses 40-100 mesh sieve, prepares alkali-affected soil modifying agent.
The alkali-affected soil modifying agent utilizing the present embodiment to prepare is improved alkali-affected soil, and experimental result is: before using, the salt of alkali-affected soil is divided into 1.2%, alkalizes as degree 29%; Use the salt of rear alkali-affected soil to be divided into 0.7%, basicity is 8%; Visible, salinity and the basicity of alkali-affected soil all have dropped, and the quality of alkali-affected soil is improved.
embodiment five: alkali-affected soil modifying agent application experiment
In August, 2014 carries out pot experiment in laboratory.Testing soil saltiness is 2.1%, and basicity is 44%, designs 2 process, the alkali-affected soil modifying agent that process 1 is prepared for using embodiment two, and usage quantity 0.4%, is namely converted into 600kg/ mu, spreads fertilizer over the fields on potted plant earth surface; Process 2 does not use any modifying agent in contrast, and each process repeats for 3 times.10, superior corn seed selected by every basin, program request; Every basin is poured water 500ml.Observe the situation of emerging of corn seed, after the alkali-affected soil modifying agent using the present invention to prepare, corn emergence rate is 80%, higher than contrast, improves 24% than control group corn emergence rate, the results are shown in Table 1.After the alkali-affected soil modifying agent simultaneously using the present invention to prepare, soil salt drops to 0.8%, lower than 1.6% of contrast; Basicity is 9%, lower than 38% of contrast, the results are shown in Table 2.
Table 1: emergence of corn information slip
Table 2: soil improvement information slip
example six: the application experiment of alkali-affected soil modifying agent
Within 2015, carry out field test in Se Yeke township, Yuepuhu County and Cha Buchaer Xian Wu township, Yi Li state, at Se Yeke township, Yuepuhu County plant cotton, at Cha Buchaer Xian Wu township, Yi Li state maize planting, top layer, test site (0-30cm) soil salt content is respectively 1.8% and 1.6%, and basicity (ESP) is 30% and 40% belong to severe alkali-affected soil; Alkali-affected soil modifying agent prepared by the test site embodiment of the present invention 2 is improved soil.
Table 3: the change of soil salt and basicity
Table 4: alkali-affected soil modifying agent is emerged on Yuepuhu County cotton and the impact of output
Table 5: alkali-affected soil modifying agent is on the impact of Cha Buchaer county emergence of corn and output
Experimental result: as can be seen from Table 3, after the alkali-affected soil modifying agent using the embodiment of the present invention 2 to prepare, Se Yeke township, Yuepuhu County and Cha Buchaer Xian Wu township, Yi Li state test site surface soil salinity have dropped 0.8% and 0.7% respectively, the range of decrease all reaches more than 50% compared with the control, alkalization of soils degree drops to 8% and 7% respectively, belong to non-alkalized soil, as can be seen here, the quality of salt affected soil can be improved after using alkali-affected soil modifying agent prepared by the present invention, and there is good effect.
From table 4 and table 5, the seedling rate of cotton and corn and output are apparently higher than the check plot of not using any soil improvement agent, after improvement, the average seedling rate of demonstration area cotton and corn reaches 79.8% and 82.9% respectively, the average seedling rate of the cotton and corn of not improveing check plot is respectively 51.5% and 42.9%, visible use the present embodiment 2 prepare alkali-affected soil modifying agent after, the seedling rate of cotton and corn improves 28.3% and 40% respectively; After improvement, the grain yield of demonstration area cotton and corn on average reaches 346 kgs/acre and 416 kgs/acre respectively, and check plot cotton and maize grain yield are on average respectively 240 kgs/acre and 210 kgs/acre, visible use the present embodiment 2 prepare alkali-affected soil modifying agent after, the output of cotton and corn improves 106 kgs/acre and 206 kgs/acre respectively.
Alkali-affected soil modifying agent prepared by the present invention, by sodium ions a large amount of in displacement soil, improve soil chemistry composition, make Zinc fractions aggregate structure, increase soil water permeability, air permeability, for good environment is created in plant growth, simultaneously, alkali-affected soil modifying agent prepared by the present invention composition also containing Promoting plant growth, can improve the growth vigor of plant in alkali-affected soil.Alkali-affected soil modifying agent prepared by the present invention can improve the quality of alkali-affected soil, and has good effect; Soil salt content can be made to be 1.8%, basicity be 30% severe alkali-affected soil salinity drop to 0.8%, alkalization of soils degree drops to 8%, and the soil after improvement belongs to non-alkalized soil; Soil salt content can be made to be 1.6%, basicity be 40% severe alkali-affected soil salinity drop to 0.7%, alkalization of soils degree drops to 7%, soil after improvement belongs to non-alkalized soil, simultaneously, can also improve seedling rate and the output of cotton and corn, the seedling rate of cotton and corn improves 28.3% and 40% respectively, and the output of cotton and corn improves 106 kgs/acre and 206 kgs/acre respectively.
Above-described embodiment is only for example of the present invention is clearly 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 apparent change extended thus or variation are still among protection scope of the present invention.
Claims (4)
1. a preparation method for alkali-affected soil modifying agent, is characterized in that, described preparation method's concrete steps are as follows:
(1) cotton stalk charing: the quarter butt cotton stalk being cut to 5-8cm, and put into homemade long 19cm, wide 13cm, the high iron ware with cover for 8cm, compacting covers tightly iron ware lid, and putting into temperature is that the retort furnace of 300 DEG C carbonizes, and carbonization time is 2 hours;
(2) preparation of cotton stalk charcoal: extinguish the spark that the cotton stalk of charing step (1) prepared occurs with distilled water, natural air drying 1d, then dries 8h, be ground into powdery with pulverizer in the baking oven of 105 DEG C, for subsequent use;
(3) preparation of desulfurated plaster: by desulfurated plaster moisture controlled 8%, and be ground into powdery with pulverizer, for subsequent use;
(4) raw-material preparation: according to weight part ratio meter, cotton stalk charcoal 200-300 part prepared by step (2), desulfurated plaster 500-800 part prepared by step (3), xanthohumic acid 100-200 part, multiple SODIUMNITRATE 2-5 part;
(5) preparation of finished product: mixed fully by starting material prepared by step (4), grinding, crosses 40-100 mesh sieve, prepares alkali-affected soil modifying agent.
2. an alkali-affected soil modifying agent, is characterized in that, according to weight part ratio meter, alkali-affected soil modifying agent contains cotton stalk charcoal 200-300 part, desulfurated plaster 500-800 part, xanthohumic acid 100-200 part, multiple SODIUMNITRATE 2-5 part.
3. an alkali-affected soil modifying agent, is characterized in that, according to weight part ratio meter, alkali-affected soil modifying agent contains desulfurated plaster 600 parts, cotton stalk charcoal 300 parts, xanthohumic acid 100 parts, sodium nitrophenolate 3 parts.
4. the application of the alkali-affected soil modifying agent as described in claims 1 to 3 any one in improvement alkali-affected soil quality.
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| CN106171104A (en) * | 2016-07-11 | 2016-12-07 | 山东胜伟园林科技有限公司 | A kind of method that desulfurated plaster improvement salt-soda soil is used in deep ploughing of tiling |
| CN107384424A (en) * | 2017-08-07 | 2017-11-24 | 韦孺聪 | A kind of alkaline soil improver |
| CN109181709A (en) * | 2018-10-11 | 2019-01-11 | 江苏省水文水资源勘测局苏州分局 | Soil conditioner for increasing soil permeability and preparation method thereof |
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