Soil conditioner for saline-alkali soil in northwest region and greening method

Abstract

The invention discloses a soil conditioner for saline-alkali soil in the northwest region and a greening method. The greening method comprises the following steps: step S1, first soil preparation: mechanically crushing to-be-greened soil, and ploughing the soil; step S2, application of the soil conditioner: uniformly applying the soil conditioner to the surface of the soil, wherein the soil conditioner comprises municipal sludge and kitchen waste organic fertilizer, the kitchen waste organic fertilizer is derived from organic residues obtained by decomposing kitchen waste through aerobic microorganisms, and the aerobic microorganisms comprise bacillus subtilis, saccharomycetes and bacillus licheniformis; step S3, soil preparation for the second time: conducting ploughing again, and uniformly mixing the soil, the municipal sludge and the kitchen waste organic fertilizer; and step S4, sowing of grass seeds: uniformly sowing the grass seeds in the soil, and covering the surfaces of the grass seeds with soil. The soil conditioner is especially suitable for greening of the saline-alkali soil in the northwest region with weak soil microorganism activity, and the activity of microorganisms in the soil can be improved after application.

Description

technical field [0001] The invention relates to the technical field of saline-alkali land improvement, in particular to a saline-alkali land soil improver and a greening method in Northwest China. Background technique [0002] The total area of ​​saline-alkali land in my country is close to 100 million hectares, accounting for about one-tenth of the total land area of ​​the country. More than 90% of the saline-alkali land is located in the inland areas of my country, and the arid and semi-arid areas in Northwest China (such as Ningxia, Xinjiang, Shaanxi, Gansu, etc.) are one of the areas with the widest distribution of saline-alkali land and the highest degree of salinization. Different from the coastal saline-alkali lands in the eastern and southern coastal areas, the saline-alkali lands in Northwest China are located in areas with low annual precipitation, large annual temperature differences, and a low degree of economic development. Greening and beautifying the ecologica...

AI Technical Summary

Problems solved by technology

For the saline-alkali land in Northwest China, while the soil alkalinity is high, the soil itself is relatively dry, and the soil microbial activity is weak. The use of conditioners with low microbial content cannot achieve better conditioning and greening effects

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