A method for controlling and improving saline-alkali land

Abstract

The invention discloses a method for controlling and improving saline-alkali land. The key points of the technical scheme include the following steps: uniformly mix the soil conditioner and the soil improver, sprinkle it evenly on the surface of the saline-alkali land, and turn over the saline-alkali land after static treatment. The soil conditioner includes furfural slag, peat, animal manure, traditional Chinese medicine residue, sodium alginate, fulvic acid, biological bacteria agent and water; the soil conditioner includes phosphogypsum, superphosphoric acid Calcium, Polyacrylamide, Potassium Monolauryl Phosphate, Potassium Monobasic Phosphate, Sepiolite Powder, Diatomaceous Earth, Attapulgite, Bamboo Fiber, Sodium Lignosulfonate, and Water. The invention reduces the salinity and pH value of the soil by applying the soil conditioner and the soil improver on the saline-alkali land, increases the soil fertility, improves the soil structure, reduces the return of salt in the plow layer, improves the emergence rate of crops, and improves the Governance efficiency.

Description

technical field [0001] The invention relates to the technical field of saline-alkali land treatment, more specifically, it relates to a method for improving saline-alkali land. Background technique [0002] Saline-alkali land refers to the land where too much soluble salt accumulates on the soil surface, which is harmful to the growth of crops; factors such as climatic conditions, geographical conditions, soil texture, unreasonable farming techniques, and rising groundwater levels can all lead to soil salinization; the main causes of saline-alkali land It is characterized by high alkalinity, high salinity, and serious loss of soil humus, making it difficult for most plants to survive in saline-alkali land. Therefore, saline-alkali land has become an important factor restricting the development of agriculture and animal husbandry. [0003] At present, the control of saline-alkali land mainly includes four aspects: physical improvement, water conservancy improvement, biologica...

AI Technical Summary

Problems solved by technology

[0003] At present, the control of saline-alkali land mainly includes four aspects: physical improvement, water conservancy improvement, biological improvement and chemical improvement; physical improvement mainly refers to the rectification of the soil layer, including methods such as leveling the land, deep plowing and sunning, and micro-area soil improvement, but these methods exist The problem of cumbersome operation and high labor intensity; water conservancy improvement refers to taking away the salt in the soil through water washing and leaching, so as to achieve the purpose of reducing soil salinity, but this method needs to use a lot of water, which will cause waste of water resources; biological Improvement is to plant saline-alkali-tolerant plants in saline-alkali land, so that the plants can solidify the land, reduce soil erosion, reduce the deposition of soluble salts, and achieve the purpose of reducing soil salinity, because this method is to reduce the salinity of the soil during the growth of plants , is greatly affected by environmental factors and plant varieties, the treatment time is long, and the treatment efficiency is low; chemical improvement refers to the addition of soil improvers such as gypsum and humic acid to the saline-alkali soil to make it complex with the salt ions in the saline-alkali soil, making it It is discharged with irrigation water, so as to achieve the purpose of reducing soil salinity, but this method needs to introduce chemical substances, and it is easy to cause secondary compaction of soil while removing soil salinity

Images