Method for improving saline-alkali soil with ferment bacterial fertilizer

Abstract

The invention discloses a method for improving saline-alkali soil with ferment bacterial fertilizer. The method comprises specific steps as follows: a, a water conservancy improvement measure: trenching and earth lifting are performed, rivers without river tails are treated, a perfect regional irrigation and drainage system is built, and regional desalination is realized; b, on-site composting of the ferment bacterial fertilizer: the ferment bacterial fertilizer comprises components in parts by weight as follows: 1,000 parts of crop straw, 1-2 parts of ferment bacteria, 5 parts of urea, 5 parts of wheat bran and 5 parts of calcium superphosphate; c, soil plowing and fertilizer application, ferrous sulfate is applied as base fertilizer, 500-1,000 kg of the ferment bacterial fertilizer is applied per mu, and the soil is plowed while the ferment bacterial fertilizer is applied; d, green manures such as sweet clover, sesbania, astragalus smicus and the like are planted for field nourishment, and the soil fertility is improved. According to the scheme, the special ferment bacterial fertilizer is adopted for improvement of the saline-alkali soil, beneficial microorganism colonies in the soil are increased, soil granular formation is promoted, water, fertilizer, air and heat of the soil are improved, the soil productivity is enhanced, and the saline-alkali soil is improved fundamentally.

Description

technical field [0001] The invention relates to the technical field of soil improvement, in particular to a method for improving saline-alkaline soil with enzyme bacterial fertilizer. Background technique [0002] At present, global land desertification and salinization are increasing year by year, increasing at a rate of 1-1.5 million hectares per year. Now the global area of ​​saline-alkali land has reached 954.38 million hectares, while China's saline-alkali cultivated land has reached 512 million mu. Saline-alkali soil contains alkaline salts such as sodium carbonate, and the high salt content causes damage to the soil structure, reduces permeability, and enriches toxic elements, which seriously restricts or directly harms the growth of crops, resulting in reduced crop yields or even failure. For this reason, protecting farmland and improving saline-alkali soil are the focus of attention of countries all over the world. Over the years, various regions have accumulated ...

AI Technical Summary

Problems solved by technology

Over the past 20 years, my country has increased the research on the efficient use of saline-alkali soil agriculture, accumulated a lot of experience in saline-alkali soil treatment, and achieved remarkable results. Soil amendments have cultivated a large number of salt-tolerant and salt-improving plants. However, the saline-alkali soil in my country is extensive and the causes vary widely. Therefore, the supporting technologies and models for efficient utilization of different types of saline-alkali soil are still insufficient, and there is an urgent need for large-scale Practical new technology for popularizing and utilizing saline-alkali land treatment