CN105016868A - Soil curing method for saline and alkaline land by using polyvinyl alcohol soil scarification agent - Google Patents
Soil curing method for saline and alkaline land by using polyvinyl alcohol soil scarification agent Download PDFInfo
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- CN105016868A CN105016868A CN201510398463.2A CN201510398463A CN105016868A CN 105016868 A CN105016868 A CN 105016868A CN 201510398463 A CN201510398463 A CN 201510398463A CN 105016868 A CN105016868 A CN 105016868A
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Abstract
The invention provides a soil curing method for a saline and alkaline land by using a polyvinyl alcohol soil scarification agent. The soil curing method comprises a step of applying the soil scarification agent, wherein the soil scarification agent comprises the following components in parts by weight: 7-10 parts of polyvinyl alcohol, 2-4 parts of a bacillus licheniformis liquid, 12-19 parts of potato powder, 8-12 parts of modified starch, 6-8 parts of vermiculite, 14-18 parts of medical stones, 5-7 parts of ammonium ferrous sulfate, 2.5-3.5 parts of carboxymethylcellulose, 4-7 parts of gypsum and 6-9 parts of humic acid. The modified starch comprises 60% of acrylic acid modified starch and 40% of acetic acid modified starch. The viable content of the bacillus licheniformis liquid is 0.8 billion/ml. By adopting the soil curing method for curing the land for 4 months, the total porosity of the soil is 54-56% and the volume weight of the soil is 1.35-1.44 g/cm3.
Description
Technical field
The invention belongs to saltings slaking technical field, relate to the agent of a kind of polyvinyl alcohol soil subsoiling, be specifically related to a kind of alkaline land soil ageing method using the agent of polyvinyl alcohol soil subsoiling.
Background technology
Soil-ripening, by various technical measures, makes the tilth of soil constantly improve, the process that fertility improves constantly, and namely the immature soil becomes the process of mellow soil.
Alkaline land soil nutrient content is extremely low and easily harden, and the soil water, fertilizer, gas, thermal environment are inharmonious, and crop growth situation is poor, yields poorly and unstable.In addition, the northern area saltings of China, the method of many employings backfilling new soil improves saline and alkaline, but backfill is also the immature soil, add northern capital construction in recent years to accelerate to advance, Appropriate application saltings is planted, and promotes saltings bringing soil erosion under control, large-scale land management, is the basis promoting this regional agriculture continuous developing and good ecotope.
The soil-ripening method of prior art has following defect and deficiency: alkaline land soil slaking effect is undesirable, and alkaline land soil total porosity is less, and the unit weight of soil is large; Soil aggregate is unstable, and less than normal; Water holding capacity is low; The soil-ripening method of prior art is difficult to increase soil fertility at short notice, reduces saltings pH value simultaneously.
Summary of the invention
The present invention is directed to above deficiency, a kind of alkaline land soil ageing method using the agent of polyvinyl alcohol soil subsoiling be provided, realize following goal of the invention:
1, improve soil porosity, reduce alkaline land soil unit weight; Slaking, after 4 months, makes soil porosity be 54-56%, makes the soil weight be 1.35-1.44g/ cm
3;
2, improve Soil structure, improve soil aggregate size and water holding capacity, slaking, after 4 months, makes soil aggregate mean size be 3.5-3.8mm, makes water capacity be 42-45%;
3, reduce soil pH, reduce soil salt content;
4, the soil organism and humus content is improved.
For solving the problems of the technologies described above, by the following technical solutions:
Use an alkaline land soil ageing method for polyvinyl alcohol soil subsoiling agent, described soil-ripening method comprises the subsoiling agent step that is manured into soil; Described soil subsoiling agent comprises following component: polyvinyl alcohol, Bacillus licheniformis liquid, potato powder, treated starch, vermiculite, medical stone, ferrous ammonium sulphate, carboxymethyl cellulose, plaster stone, humic acid.
Below the further improvement to technique scheme:
The weight proportion of described soil subsoiling agent component is: polyvinyl alcohol 7-10 part, Bacillus licheniformis liquid 2-4 part, potato powder 12-19 part, treated starch 8-12 part, vermiculite 6-8 part, medical stone 14-18 part, ferrous ammonium sulphate 5-7 part, carboxymethyl cellulose 2.5-3.5 part, plaster stone 4-7 part, humic acid 6-9 part.
The weight proportion of described soil subsoiling agent component is: polyvinyl alcohol 8 parts, Bacillus licheniformis liquid 3 parts, potato powder 15 parts, treated starch 10 parts, vermiculite 7 parts, medical stone 15 parts, ferrous ammonium sulphate 6 parts, carboxymethyl cellulose 3 parts, plaster stone 5 parts, humic acid 8 parts.
Described treated starch comprises 60% acrylic acid modified starch and 40% acetic acid treated starch.
Described Bacillus licheniformis liquid: viable bacteria content is 800,000,000/ml.
The described subsoiling agent step that is manured into soil: mu executes soil subsoiling agent 80kg; After applying subsoiling agent, turn over, underground is ploughed under in subsoiling agent.
Described soil-ripening method also comprises and applies fertilizer step, and described fertilizer comprises the component of following weight part: chicken manure 15-18 part, nitrocalcite 1-2 part, magnesium sulfate 4-5 part, 0.9 part, zinc sulfate, 0.5 part, ferrous sulfate, lanthanum nitrate 0.3 part.
Soil-ripening method described in employing, slaking is after 4 months, and soil porosity is 54-56%, and the soil weight is 1.35-1.44g/ cm
3.
Soil-ripening method described in employing, slaking is after 4 months, and soil aggregate mean size is 3.5-3.8mm, and water capacity is 42-45%.
The present invention compared with prior art, has following beneficial effect:
1, use soil-ripening method of the present invention, significantly improve soil porosity, reduce alkaline land soil unit weight, slaking is after 4 months, and soil porosity is 54-56%, and the soil weight is 1.35-1.44g/ cm
3;
2, use soil-ripening method of the present invention, significantly improve Soil structure, slaking is after 4 months, and soil aggregate mean size is 3.5-3.8mm, and water capacity is 42-45%;
3, use soil-ripening method of the present invention, slaking is after 4 months, and soil pH is reduced to 7.4-7.6, and saltiness reduces 60-70%;
4, use soil-ripening method of the present invention, significantly improve soil organic matter content and humus content; Slaking is after 4 months, and organic content rises to original 4-5 doubly, and humus content rises to original 2.5-3 doubly.
Embodiment
the agent of embodiment 1 one kinds of polyvinyl alcohol soil subsoilings
The weight proportion of each component of soil subsoiling agent is:
Polyvinyl alcohol 7 parts, Bacillus licheniformis liquid 2 parts, potato powder 12 parts, treated starch 8 parts, vermiculite 6 parts, medical stone 14 parts, ferrous ammonium sulphate 5 parts, carboxymethyl cellulose 2.5 parts, plaster stone 4 parts, humic acid 6 parts;
Described treated starch comprises 60% acrylic acid modified starch and 40% acetic acid treated starch, and described percentage ratio is weight percentage.
the agent of embodiment 2 one kinds of polyvinyl alcohol soil subsoilings
Polyvinyl alcohol 8 parts, Bacillus licheniformis liquid 3 parts, potato powder 15 parts, treated starch 10 parts, vermiculite 7 parts, medical stone 15 parts, ferrous ammonium sulphate 6 parts, carboxymethyl cellulose 3 parts, plaster stone 5 parts, humic acid 8 parts;
Described treated starch comprises 60% acrylic acid modified starch and 40% acetic acid treated starch, and described percentage ratio is weight percentage.
the agent of embodiment 3 one kinds of polyvinyl alcohol soil subsoilings
Polyvinyl alcohol 10 parts, Bacillus licheniformis liquid 4 parts, potato powder 19 parts, treated starch 12 parts, vermiculite 8 parts, medical stone 18 parts, ferrous ammonium sulphate 7 parts, carboxymethyl cellulose 3.5 parts, plaster stone 7 parts, humic acid 9 parts;
Described treated starch comprises 60% acrylic acid modified starch and 40% acetic acid treated starch, and described percentage ratio is weight percentage.
the preparation method of embodiment 4 one kinds of polyvinyl alcohol soil subsoilings agent
Step 1, prepare Bacillus licheniformis liquid
By streak culture for the bacterial classification of Bacillus licheniformis 36 hours, under gnotobasis, scraping bacterium colony, made seed liquor with sterilized water, then poured in fermentor tank, spread cultivation through the fermentation of 36-39 DEG C, fermented 24 hours, obtained Bacillus licheniformis mother liquor;
Mother liquor, through the centrifugal 3min of 800rpm, obtains supernatant liquor, and get the dilution of supernatant liquor adding distil water, obtain Bacillus licheniformis liquid, viable bacteria content is 800,000,000/ml.
Step 2, take each component of soil subsoiling agent by embodiment 1-3 weight proportion, for subsequent use.
Step 3, spray bacterium
Get load weighted potato powder and treated starch, mixing, stirs, as the attachment carrier of Bacillus licheniformis;
Bacillus licheniformis liquid step 1 prepared is sprayed on above-mentioned attachment carrier, and spray limit, limit stirs, and mixing speed is 60rpm, after having sprayed, leaves standstill 40-60min, obtains mixed bacterium powder.
Step 4, by vermiculite, medical stone, plaster stone, humic acid is levigate, after crossing 50 mesh sieves, adds in reactor.
Step 5, polyvinyl alcohol, ferrous ammonium sulphate, carboxymethyl cellulose are joined successively in reactor, limit edged stirs, and stir speed (S.S.) is 80rpm, makes it mix.
Step 6, mixed bacterium powder prepared by step 3 is joined in reactor, 60rpm stirs, and obtains the agent of finished product polyvinyl alcohol soil subsoiling.
embodiment 5 one kinds uses the alkaline land soil ageing method of polyvinyl alcohol soil subsoiling agent
Step 1, apply fertilizer
The growing area saltings selected: 0-40cm soil layer saltiness is 1.2-1.5%, pH is 7.8-8.0, and soil porosity is 30-35%, and the soil weight is 1.70-1.78 g/cm
3, soil aggregate mean size is 0.8-1.2mm, and soil organic matter content is 0.5-0.6%.
Fertilizer is applied, mu fertilise 30kg to growing area saltings;
Described fertilizer comprises the component of following weight part: chicken manure 15-18 part, nitrocalcite 1-2 part, magnesium sulfate 4-5 part, 0.9 part, zinc sulfate, 0.5 part, ferrous sulfate, lanthanum nitrate 0.3 part.
Step 2, machinery are ploughed deeply
Use Cultivator, turned over by growing area, ploughed depth is 50cm.
Step 3, the subsoiling that is manured into soil agent
Spread fertilizer over the fields the soil subsoiling agent of embodiment 1-3 to growing area saltings, mu executes soil subsoiling agent 80kg; After applying subsoiling agent, then turn over once, ploughed depth is 20-30cm, and underground is ploughed under in subsoiling agent.
Step 4, to pour water
To growing area pour water comprise pour water first and secondary pour water; 20 days, twice irrigation period interval;
Pour water first: irrigation quantity is 260m
3/ hectare, salinity is 2.2 g/L, pH is 7.8, and saltiness is 0.09%, and sodium salt content accounts for 70% of total salt content.
Secondary is poured water: irrigation quantity is 450m
3/ hectare, the pH of water is 6.8, and salinity is 1g/l.
aged result detects:
After 4 months, detect the result of the soil subsoiling agent vegetable soil adopting embodiment 1-3, detected result is in table 1:
Table 1
Through test, use soil-ripening method of the present invention, slaking is after 4 months, and soil porosity is 54-56%, and the soil weight is 1.35-1.44g/ cm
3, soil aggregate mean size is 3.5-3.8mm, and water holding capacity is 42-45%, and soil pH is 7.4-7.6, and saltiness reduces 60-70%, and organic content rises to original 4-5 doubly, and humus content rises to original 2.5-3 doubly.
Through test, after using soil improvement method of the present invention to improve growing area saltings, red clover is planted in growing area saltings, plantation surviving rate is 99%, and the fresh careless annual production of red clover is 6800kg/ mu, and the dry matter content of fresh grass is 27%; The fresh careless gross protein value of red clover is 5.3-6.4%.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. use an alkaline land soil ageing method for polyvinyl alcohol soil subsoiling agent, it is characterized in that: described soil-ripening method comprises the subsoiling agent step that is manured into soil; Described soil subsoiling agent comprises following component: polyvinyl alcohol, Bacillus licheniformis liquid, potato powder, treated starch, vermiculite, medical stone, ferrous ammonium sulphate, carboxymethyl cellulose, plaster stone, humic acid.
2. a kind of alkaline land soil ageing method using the agent of polyvinyl alcohol soil subsoiling according to claim 1, is characterized in that: the weight proportion of described soil subsoiling agent component is: polyvinyl alcohol 7-10 part, Bacillus licheniformis liquid 2-4 part, potato powder 12-19 part, treated starch 8-12 part, vermiculite 6-8 part, medical stone 14-18 part, ferrous ammonium sulphate 5-7 part, carboxymethyl cellulose 2.5-3.5 part, plaster stone 4-7 part, humic acid 6-9 part.
3. a kind of alkaline land soil ageing method using the agent of polyvinyl alcohol soil subsoiling according to claim 2, is characterized in that: the weight proportion of described soil subsoiling agent component is: polyvinyl alcohol 8 parts, Bacillus licheniformis liquid 3 parts, potato powder 15 parts, treated starch 10 parts, vermiculite 7 parts, medical stone 15 parts, ferrous ammonium sulphate 6 parts, carboxymethyl cellulose 3 parts, plaster stone 5 parts, humic acid 8 parts.
4. a kind of alkaline land soil ageing method using the agent of polyvinyl alcohol soil subsoiling according to claim 1, is characterized in that: described treated starch comprises 60% acrylic acid modified starch and 40% acetic acid treated starch.
5. a kind of alkaline land soil ageing method using the agent of polyvinyl alcohol soil subsoiling according to claim 1, is characterized in that: described Bacillus licheniformis liquid: viable bacteria content is 800,000,000/ml.
6. a kind of alkaline land soil ageing method using the agent of polyvinyl alcohol soil subsoiling according to claim 1, is characterized in that: the described subsoiling agent step that is manured into soil: mu executes soil subsoiling agent 80kg; After applying subsoiling agent, turn over, underground is ploughed under in subsoiling agent.
7. a kind of alkaline land soil ageing method using the agent of polyvinyl alcohol soil subsoiling according to claim 1, it is characterized in that: described soil-ripening method also comprises and applies fertilizer step, and described fertilizer comprises the component of following weight part: chicken manure 15-18 part, nitrocalcite 1-2 part, magnesium sulfate 4-5 part, 0.9 part, zinc sulfate, 0.5 part, ferrous sulfate, lanthanum nitrate 0.3 part.
8. a kind of alkaline land soil ageing method using the agent of polyvinyl alcohol soil subsoiling according to claim 1, it is characterized in that: the soil-ripening method described in employing, slaking is after 4 months, and soil porosity is 54-56%, and the soil weight is 1.35-1.44g/ cm
3.
9. a kind of alkaline land soil ageing method using the agent of polyvinyl alcohol soil subsoiling according to claim 1, it is characterized in that: the soil-ripening method described in employing, slaking is after 4 months, and soil aggregate mean size is 3.5-3.8mm, and water capacity is 42-45%.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106396881A (en) * | 2016-08-29 | 2017-02-15 | 山东胜伟园林科技有限公司 | Ammonium humate organic fertilizer for improving saline and alkaline soil |
| CN106588377A (en) * | 2016-12-22 | 2017-04-26 | 安徽康坶国际化肥股份有限公司 | Farmland fertilizer for improving permeability of soil |
| CN106748142A (en) * | 2016-12-22 | 2017-05-31 | 安徽康坶国际化肥股份有限公司 | A kind of farmland is used can improved soil fertilizer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106396881A (en) * | 2016-08-29 | 2017-02-15 | 山东胜伟园林科技有限公司 | Ammonium humate organic fertilizer for improving saline and alkaline soil |
| CN106588377A (en) * | 2016-12-22 | 2017-04-26 | 安徽康坶国际化肥股份有限公司 | Farmland fertilizer for improving permeability of soil |
| CN106748142A (en) * | 2016-12-22 | 2017-05-31 | 安徽康坶国际化肥股份有限公司 | A kind of farmland is used can improved soil fertilizer |
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Application publication date: 20151104 |