Soil conditioner for greening tree planting in illite tailing saline-alkali soil

Abstract

The invention disclose a soil conditioner for greening tree planting in illite tailing saline-alkali soil. The key point of the technical scheme is that in that the ingredients consist of illite tailing compressed nutrient soil, illite tailing carbonized soil, acidified zeolite particles, acidified straws, desulfurized gypsum, humic acid, a powdery saline-alkali soil water-retaining slow-release fertilizer, attapulgite clay, ferrous sulfate and water; the ingredients are mixed uniformly by stirring, and then the mixture is packaged to obtain the soil conditioner for greening tree planting in the illite tailing saline-alkali soil. Calcium and magnesium ions contained in the soil conditioner can replace sodium ions on saline-alkali soil colloid, so that the content of exchangeable sodium ions in the soil is reduced, the alkalization degree of the soil is reduced, the fertility of the saline-alkali soil can be obviously improved at the same time, the content of organic matters, calcium, magnesium, silicon, sulfur, nitrogen, phosphorus and potassium in the saline-alkali soil is increased, the purpose of improving the saline-alkali soil is achieved, and the survival rate of greening tree planting is improved; the soil conditioner for greening and tree planting in the illite tailing saline-alkali soil is suitable for improvement of the saline-alkali soil and greening tree planting inthe saline-alkali soil.

Description

technical field [0001] The invention relates to a soil conditioner, in particular to a soil conditioner for greening and planting trees on illite tailings saline-alkali land. Background technique [0002] Saline-alkali land means that the salt contained in the soil affects the normal growth of crops. Plants in severe saline-alkali soil areas can hardly survive. Soluble salts reduce the ability of plants to absorb water and nutrients, relatively reduce the content of soil organic matter, seriously lack nitrogen, phosphorus, potassium and trace elements, seriously damage the soil aggregate structure, reduce air permeability, and reduce the activity of aerobic microorganisms , slow soil maturation, resulting in soil compaction. Due to salinization, the physical and chemical properties of the soil deteriorate, and the living conditions of plants deteriorate. The work of greening and tree planting in saline-alkali soil is very difficult, and the survival rate of greening and pla...

AI Technical Summary

Problems solved by technology

[0007] The deficiencies of the above patents are: (1) the "nutrient soil" lacks ingredients for saline-alkali resistance and pH adjustment of saline-alkali land; It can be used in ordinary "original soil greening", but not suitable for "indigenous soil greening in saline-alkali land". In the process of greening and planting trees in saline-alkali land, the survival rate of seedlings is relatively low

[0009] The disadvantages of the above-mentioned patents are: (1) a large amount of sulfur powder (20% to 35%) has been selected in the ingredients. It is a low-toxic hazardous chemical, but the sulfur dioxide produced by its steam and sulfur combustion is highly toxic to the human body, so it is not suitable for saline-alkali soil conditioners

(2) Although "bentonite" is selected in the ingredients, those skilled in the art know that the pH value of sodium-based bentonite is generally 8.5-10.2, and that of calcium-based bentonite is generally 6.9-8.5. "Bentonite" is an alkaline soil. Therefore, "bentonite" has not been acidified and modified, and it is not suitable for soil conditioners in saline-alkali land