Improver of soil physicochemical characters and preparation method thereof

Abstract

The invention discloses an improver of soil physicochemical characters and a preparation method of the improver of the soil physicochemical characters, and belongs to the improver for treatment of saline alkali soil. The improver comprises the following components in a mass ratio: 30 to 60 parts of straw, 10 to 20 parts of polyacrylamide, 30 to 50 parts of humus and 5 to 10 parts of inorganic salts; the inorganic salts containing elements which are necessary for crop growth such as calcium, magnesium, iron, zinc, boron and nitrogen are added in the improver, so that losses of a large number of the inorganic salts in soil due to salt leaching can be supplemented to meet the demands of the crop growth for the inorganic salts. The preparation method and the application method of the improver are simple, the use amount of the improver is small, the improver takes effect quickly, durable in effect and suitable for large-area popularization; after the improver is applied for 1 to 2 times, the soil structure can be obviously improved, and the amount of soil aggregates is increased, and salt ions in the soil can be further promoted to be leached; a plurality of substances such as polyacrylamide can enhance the permeability and permeability of the soil and reduce soil corrosion resistance, and further have good water retention, soil conservation and fertilizer slow-release performances.

Description

technical field [0001] The invention relates to a soil (saline-alkali land) treatment improver, more specifically, the invention mainly relates to a soil physical and chemical property improver and a preparation method thereof. Background technique [0002] At present, soil salinization has become a global resource and environmental problem. my country's existing saline-alkali land area is about 99 million hectares, and with the implementation of the coastal development strategy, the area is still growing. In the context of the continuous reduction of arable land nationwide and the increasing shortage of construction land, this is a very valuable strategic resource. At the same time, due to unreasonable irrigation, secondary salinization of land is not uncommon. How to quickly improve and make good use of these low-yielding lands has become a practical issue related to the speed of social development. The application of improvers is an important way to improve the use of ...

AI Technical Summary

Problems solved by technology

[0003] One of the purposes of the present invention is to provide a soil physical and chemical property improver and a preparation method thereof in view of the above-mentioned deficiencies, in order to solve the lack of improvement agents for saline-alkali land in the prior art that are specially designed for poor soil physical and chemical properties, hardening, and poor water and fertilizer retention. Soil structure, and the structure improvement effect is poor in sustainability, and it needs to be repeated several times to achieve the final physical and chemical structure improvement purpose and other technical problems