Lactic acid bacteria compound preparation for fertilizing saline-alkali soil and preparation method thereof

Abstract

The invention discloses a lactic acid bacteria compound preparation for fertilizing saline-alkali soil. The lactic acid bacteria compound preparation comprises lactobacillus plantarum, lactobacillus rhamnosus, lactobacillus bulgaricus, saccharomyces boulardii and bacillus subtilis, and the mass ratio of the lactobacillus plantarum to the lactobacillus rhamnosus to the lactobacillus bulgaricus to the saccharomycetes to the bacillus subtilis is 2: (0.5-1): (1-1.5): (1-1.5): (0.5-1). The lactic acid bacteria compound preparation can effectively improve the porosity and water retention of soil, reduce the soluble salt content of the soil and adjust the pH value of the soil, so that insoluble phosphorus and potassium in the soil are converted into available phosphorus and potassium which can beutilized by crops, and the yield of the crops is increased.

Description

technical field [0001] The invention belongs to the field of soil conditioning, in particular to a lactic acid bacteria compound preparation for fertilizing saline-alkali land and a preparation method thereof. Background technique [0002] At present, soil salinization has become an agricultural issue of global concern. The physical and chemical properties of saline-alkali soil are mainly manifested as low soil fertility, lack of nutrient elements, soil compaction, low soil microbial content, and poor permeability. It not only restricts the healthy development of agriculture, but also brings about problems such as soil erosion, soil erosion, and land desertification. The formation of saline-alkali land is due to the redistribution of soluble salts in the soil, resulting in the accumulation of salt on the soil surface, which eventually exceeds the normal value and makes the soil salinized. The reasons affecting the redistribution of soil salinity are mainly divided into int...

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Problems solved by technology

[0003] Although the above methods all have the effect of increasing soil nutrients, reducing soil pH, and improving soil physical structure, the cost of improvement is high, consuming manpower, material and financial resources, and the effect of improving certain special terrains and terrains is not significant. Chemical improvement and organic fertilizer improvement There is also the risk of environmental pollution

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