Preparation device for saline soil microbial repair agent
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- HUAIYIN TEACHERS COLLEGE
- Publication Date
- 2018-12-11
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Abstract
Description
technical field
[0001] The invention relates to the technical field of soil remediation, in particular to a preparation device for a saline-alkali soil microbial remediation agent. Background technique
[0002] Saline-alkali land accounts for about 30% of the land area, and China's saline-alkali land is even higher than the world level, and due to poor protection, there is still a tendency to expand. Saline-alkali soil generally contains mineral salts such as sodium chloride, potassium chloride, calcium chloride, magnesium chloride, calcium carbonate, and magnesium sulfate. Generally, more than 0.6% chloride can be called saline-alkali soil. The saline-alkali soil in my country is mainly distributed in The inland area north of the Yangtze River from Shanxi to Xinjiang.
[0003] At present, the main methods of saline-alkali soil improvement include physical method, chemical method and biological method. The physical method is through irrigation and drainage, soil deep plowing...