CN105016866A - Method for curing soil of saline-alkali land by using apatite soil deep scarifying agent - Google Patents
Method for curing soil of saline-alkali land by using apatite soil deep scarifying agent Download PDFInfo
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- CN105016866A CN105016866A CN201510398235.5A CN201510398235A CN105016866A CN 105016866 A CN105016866 A CN 105016866A CN 201510398235 A CN201510398235 A CN 201510398235A CN 105016866 A CN105016866 A CN 105016866A
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Abstract
The invention provides a method for curing the soil of a saline-alkali land by using an apatite soil deep scarifying agent. The method comprises a step of applying the soil deep scarifying agent, wherein the soil deep scarifying agent is prepared from the following components in parts by weight: 29-33 parts of apatite, 2.5-4.5 parts of sodium polyacrylate, 12-15 parts of potassium peroxodisulfate, 10-12 parts of paenibacillus amylolyticus bacterial liquid, 8-12 parts of bentonite, 18-21 parts of cottonseed hull, 7-10 parts of expanded perlite, 3-4 parts of polymaleic acid, 10-13 parts of humic acid and 5-7 parts of weathered coal, wherein the content of viable bacteria in the paenibacillus amylolyticus bacterial liquid is 0.6 billion/ml. By adopting the soil curing method, after the soil of the saline-alkali land is cured for 3 months, the total porosity of the soil is 49-57 percent, and the soil bulk density is 1.35-1.44g/cm<3>.
Description
Technical field
The invention belongs to saltings slaking technical field, relate to the agent of a kind of phosphatic rock soil subsoiling, be specifically related to a kind of alkaline land soil ageing method using the agent of phosphatic rock soil subsoiling.
Background technology
General saltings needs first to carry out soil-ripening before planting plants, and conventional soil-ripening method comprises ploughs deeply, presses and bury fertilizer, and the general soil physico-chemical property that measures weighs slaking effect.
The research of soil-ripening started from for 19 end of the centurys, mainly carry out this period and utilized natural organic matter for raw material, therefrom extract natural polymer, if Mierocrystalline cellulose, hemicellulose, xylogen, polyose, humic acid material are as soil-ripening amendment, but because natural component is easily decomposed by soil microorganisms, administration period is short, and consumption is large, use a large amount of positively charged ions of rear release to the toxic effect of soil, be difficult to wide popularization and application in agriculture production, so the research of synthetic modifying agent is carried out gradually.The effect starting the soil subsoiling agent, soil conditioner, soil improvement agent etc. of developing is all not ideal enough.In recent years, the how efficient slaking alkaline land soil of research becomes important research topic.
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; Organic content is low; The soil-ripening method of prior art is difficult to increase soil fertility at short notice and reduces saltings pH value.
Summary of the invention
The present invention is directed to above deficiency, a kind of alkaline land soil ageing method using the agent of phosphatic rock soil subsoiling be provided, realize following goal of the invention:
1, improve soil porosity, reduce alkaline land soil unit weight; Slaking, after 3 months, makes soil porosity be 49-57%, makes the soil weight be 1.35-1.44 g/ ㎝
3;
2, improve Soil structure, improve soil aggregate size, improve organic content; Slaking, after 3 months, makes soil aggregate mean size be 3.2-3.5mm, makes soil organic matter content be 1.9-2.5%;
3, increase soil fertility, improve the content of Nitrogen In Soils phosphorus potassium;
4, soil pH value and saltiness is reduced.
For solving the problems of the technologies described above, by the following technical solutions:
Use an alkaline land soil ageing method for phosphatic rock soil subsoiling agent, described soil-ripening method comprises the subsoiling agent step that is manured into soil; Described soil subsoiling agent comprises following component: phosphatic rock, sodium polyacrylate, Potassium Persulphate, bacillus amyloliquefaciens bacterium liquid, wilkinite, cotton seed hulls, pearlstone, poly-maleic acid, humic acid, weathered coal.
Below the further improvement to technique scheme:
The weight proportion of described soil subsoiling agent component is: phosphatic rock 29-33 part, sodium polyacrylate 2.5-4.5 part, Potassium Persulphate 12-15 part, bacillus amyloliquefaciens bacterium liquid 10-12 part, wilkinite 8-12 part, cotton seed hulls 18-21 part, pearlstone 7-10 part, poly-maleic acid 3-4 part, humic acid 10-13 part, weathered coal 5-7 part.
The weight proportion of described soil subsoiling agent component is: 30 parts, phosphatic rock, sodium polyacrylate 3 parts, Potassium Persulphate 14 parts, bacillus amyloliquefaciens bacterium liquid 11 parts, wilkinite 10 parts, cotton seed hulls 19 parts, pearlstone 9 parts, poly-maleic acid 3 parts, humic acid 12 parts, weathered coal 6 parts.
In described bacillus amyloliquefaciens bacterium liquid, viable bacteria content is 600,000,000/ml.
The preparation method of described bacillus amyloliquefaciens bacterium liquid: 37-40 DEG C ferments 24 hours, obtain bacillus amyloliquefaciens mother liquor; Mother liquor is through the centrifugal 3min of 800rpm.
Described soil-ripening method also comprises and applies fertilizer step: mu fertilise 30kg; 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.
Described soil-ripening method also comprises step of pouring water: pour water comprise pour water first and secondary pour water; 20 days, twice irrigation period interval.
Described pours 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.
Described secondary is poured water: irrigation quantity is 450m
3/ hectare, the pH of water is 6.8, and salinity is 1g/l.
Adopt soil-ripening method of the present invention, slaking alkaline land soil is after 3 months, and soil porosity is 49-57%, and the soil weight is 1.35-1.44 g/ ㎝
3.
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 3 months, and soil porosity is 49-57%, and the soil weight is 1.35-1.44 g/ ㎝
3;
2, use soil-ripening method of the present invention, significantly improve Soil structure, slaking is after 3 months, and soil aggregate mean size is 3.2-3.5mm, and soil organic matter content is 1.9-2.5%;
3, use soil-ripening method of the present invention, significantly improve soil fertility, slaking is after 3 months, and total nitrogen content is 0.28-0.35%, and content of tatal phosphorus is 0.09-0.14%, full potassium content 2.1-2.8%;
4, use soil-ripening method of the present invention, slaking is after 3 months, and soil pH is reduced to 7.3-7.5, and saltiness reduces 50-60%.
Embodiment
the agent of embodiment 1 one kinds of phosphatic rock soil subsoilings
The weight proportion of each component of soil subsoiling agent is:
29 parts, phosphatic rock, sodium polyacrylate 2.5 parts, Potassium Persulphate 12 parts, bacillus amyloliquefaciens bacterium liquid 10 parts, wilkinite 8 parts, cotton seed hulls 18 parts, pearlstone 7 parts, poly-maleic acid 3 parts, humic acid 10 parts, weathered coal 5 parts;
The viable bacteria content of described bacillus amyloliquefaciens bacterium liquid is 600,000,000/ml.
the agent of embodiment 2 one kinds of phosphatic rock soil subsoilings
The weight proportion of each component of soil subsoiling agent is:
30 parts, phosphatic rock, sodium polyacrylate 3 parts, Potassium Persulphate 14 parts, bacillus amyloliquefaciens bacterium liquid 11 parts, wilkinite 10 parts, cotton seed hulls 19 parts, pearlstone 9 parts, poly-maleic acid 3 parts, humic acid 12 parts, weathered coal 6 parts;
The viable bacteria content of described bacillus amyloliquefaciens bacterium liquid is 600,000,000/ml.
the agent of embodiment 3 one kinds of phosphatic rock soil subsoilings
33 parts, phosphatic rock, sodium polyacrylate 4.5 parts, Potassium Persulphate 15 parts, bacillus amyloliquefaciens bacterium liquid 12 parts, wilkinite 12 parts, cotton seed hulls 21 parts, pearlstone 10 parts, poly-maleic acid 4 parts, humic acid 13 parts, weathered coal 7 parts;
The viable bacteria content of described bacillus amyloliquefaciens bacterium liquid is 600,000,000/ml.
the preparation method of embodiment 4 one kinds of phosphatic rock soil subsoilings agent
Step 1, prepare bacillus amyloliquefaciens bacterium liquid
After streak culture for the bacterial classification of bacillus amyloliquefaciens, then spread cultivation through the fermentation of 37-40 DEG C, ferment 24 hours, obtain bacillus amyloliquefaciens mother liquor; Mother liquor, through the centrifugal 3min of 800rpm, obtains supernatant liquor, filters, and the bacterium liquid adding distil water dilution leached, obtain bacillus amyloliquefaciens bacterium liquid, viable bacteria content is 600,000,000/ml.
Step 2, take each component of soil subsoiling agent by embodiment 1-3 weight proportion, for subsequent use.
Step 3, phosphatic rock, wilkinite, cotton seed hulls, pearlstone, weathered coal to be ground, cross 80 mesh sieves, then, add in reactor, open and stir, mixing speed 100rpm, stirs 10 minutes, obtains blended solid powder.
Step 4, in reactor, add sodium polyacrylate, Potassium Persulphate, humic acid, poly-maleic acid, add while stirring, stir.
Step 5, bacillus amyloliquefaciens bacterium liquid step 1 prepared spray in the blended solid powder in reactor, stir, obtained finished product soil subsoiling agent.
embodiment 5 one kinds uses the alkaline land soil ageing method of phosphatic rock soil subsoiling agent
Step 1, apply fertilizer
Growing area saltings: 0-30cm soil layer saltiness is 1.0-1.4%, pH is 7.6-7.8, and soil porosity is 36-38%, the soil weight is 1.69-1.72 g/ ㎝
3, soil aggregate mean size is 0.8-1.3mm, 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 3 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 3 months, and soil porosity is 49-57%, and the soil weight is 1.35-1.44 g/ ㎝
3, soil aggregate mean size is 3.2-3.5mm, and soil organic matter content is 1.9-2.5%, and soil pH is 7.3-7.5, and saltiness reduces 50-60%, and total nitrogen content is 0.28-0.35%, and content of tatal phosphorus is 0.09-0.14%, full potassium content 2.1-2.8%.
Through test, after using soil improvement method of the present invention to improve growing area saltings, silphium perfoliatum L is planted in growing area saltings, plantation surviving rate is 99.6%, and the fresh careless annual production of silphium perfoliatum L is 13 tons/mu, and the dry-matter total content of fresh grass is 36%.
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 (10)
1. use an alkaline land soil ageing method for phosphatic rock 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: phosphatic rock, sodium polyacrylate, Potassium Persulphate, bacillus amyloliquefaciens bacterium liquid, wilkinite, cotton seed hulls, pearlstone, poly-maleic acid, humic acid, weathered coal.
2. a kind of alkaline land soil ageing method using the agent of phosphatic rock soil subsoiling according to claim 1, is characterized in that: the weight proportion of described soil subsoiling agent component is: phosphatic rock 29-33 part, sodium polyacrylate 2.5-4.5 part, Potassium Persulphate 12-15 part, bacillus amyloliquefaciens bacterium liquid 10-12 part, wilkinite 8-12 part, cotton seed hulls 18-21 part, pearlstone 7-10 part, poly-maleic acid 3-4 part, humic acid 10-13 part, weathered coal 5-7 part.
3. a kind of alkaline land soil ageing method using the agent of phosphatic rock soil subsoiling according to claim 2, is characterized in that: the weight proportion of described soil subsoiling agent component is: 30 parts, phosphatic rock, sodium polyacrylate 3 parts, Potassium Persulphate 14 parts, bacillus amyloliquefaciens bacterium liquid 11 parts, wilkinite 10 parts, cotton seed hulls 19 parts, pearlstone 9 parts, poly-maleic acid 3 parts, humic acid 12 parts, weathered coal 6 parts.
4. a kind of alkaline land soil ageing method using the agent of phosphatic rock soil subsoiling according to claim 1, is characterized in that: in described bacillus amyloliquefaciens bacterium liquid, viable bacteria content is 600,000,000/ml.
5. a kind of alkaline land soil ageing method using the agent of phosphatic rock soil subsoiling according to claim 4, is characterized in that: the preparation method of described bacillus amyloliquefaciens bacterium liquid: 37-40 DEG C ferments 24 hours, obtain bacillus amyloliquefaciens mother liquor; Mother liquor is through the centrifugal 3min of 800rpm.
6. a kind of alkaline land soil ageing method using the agent of phosphatic rock soil subsoiling according to claim 1, is characterized in that: described soil-ripening method also comprises and applies fertilizer step: mu fertilise 30kg; 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.
7. a kind of alkaline land soil ageing method using the agent of phosphatic rock soil subsoiling according to claim 1, is characterized in that: described soil-ripening method also comprises step of pouring water: pour water comprise pour water first and secondary pour water; 20 days, twice irrigation period interval.
8. a kind of alkaline land soil ageing method using the agent of phosphatic rock soil subsoiling according to claim 7, is characterized in that: described pours 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.
9. a kind of alkaline land soil ageing method using the agent of phosphatic rock soil subsoiling according to claim 7, is characterized in that: described secondary is poured water: irrigation quantity is 450m
3/ hectare, the pH of water is 6.8, and salinity is 1g/l.
10. a kind of alkaline land soil ageing method using the agent of phosphatic rock soil subsoiling according to claim 1, it is characterized in that: adopt soil-ripening method of the present invention, slaking alkaline land soil is after 3 months, and soil porosity is 49-57%, and the soil weight is 1.35-1.44 g/ ㎝
3.
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| CN106358710A (en) * | 2016-08-31 | 2017-02-01 | 山东胜伟园林科技有限公司 | Method for collecting rainwater by use of pine bark stone water storage layer and application thereof in saline-alkali land improvement |
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