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Soil remediation agent for improving fertility of saline alkali soil and preparation method

A soil remediation agent and saline-alkali soil technology, which is applied in the field of soil remediation agent and preparation to improve saline-alkali soil fertility, can solve problems such as fertility degradation, and achieve the effects of improving fertility, increasing utilization rate, and reducing production costs

Inactive Publication Date: 2020-01-17
上海松沅环境修复技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem solved by the present invention is to provide a kind of soil remediation agent and preparation method for improving the fertility of saline-alkali soil, so as to solve the problem of degradation of soil fertility in the above-mentioned background technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A soil repairing agent for improving the fertility of saline-alkali soil, its composition includes: organic repairing fertilizer, humic acid, microbial agent, organic fertilizer, weathered coal, wood vinegar, and the specific formula is made of the following raw materials in parts by weight: 40 parts of organic repair fertilizer, 10 parts of humic acid, 1.5 parts of microbial agent, 25 parts of organic fertilizer, 6 parts of weathered coal, and 2 parts of wood vinegar.

[0021] Preferably, the organic restoration fertilizer is a mixture of pond mud, nitrogen fertilizer, phosphorus fertilizer and potassium fertilizer, and the specific weight ratio is: pond mud: nitrogen fertilizer: phosphorus fertilizer: potassium fertilizer is 20 ~ 30: 5 ~ 7: 4 ~ 6: 6 ~ 7 .

[0022] Preferably, the particle size of the humic acid is 100 mesh, and the organic matter content is above 65wt%.

[0023] Preferably, the microbial bacterial agent is one or more of Pseudomonas, white rot fungus...

Embodiment 2

[0033] A soil repairing agent for improving the fertility of saline-alkali soil, its composition includes: organic repairing fertilizer, humic acid, microbial agent, organic fertilizer, weathered coal, wood vinegar, and the specific formula is made of the following raw materials in parts by weight: 50 parts of organic repair fertilizer, 15 parts of humic acid, 2 parts of microbial agent, 28 parts of organic fertilizer, 7 parts of weathered coal, and 3 parts of wood vinegar.

[0034] Preferably, the organic restoration fertilizer is a mixture of pond mud, nitrogen fertilizer, phosphorus fertilizer and potassium fertilizer, and the specific weight ratio is: pond mud: nitrogen fertilizer: phosphorus fertilizer: potassium fertilizer is 20 ~ 30: 5 ~ 7: 4 ~ 6: 6 ~ 7 .

[0035] Preferably, the particle size of the humic acid is 100 mesh, and the organic matter content is above 65wt%.

[0036] Preferably, the microbial bacterial agent is one or more of Pseudomonas, white rot fungus, ...

Embodiment 3

[0046] A soil repairing agent for improving the fertility of saline-alkali soil, its composition includes: organic repairing fertilizer, humic acid, microbial agent, organic fertilizer, weathered coal, wood vinegar, and the specific formula is made of the following raw materials in parts by weight: 60 parts of organic repair fertilizer, 20 parts of humic acid, 2.5 parts of microbial agent, 30 parts of organic fertilizer, 8 parts of weathered coal, and 4 parts of wood vinegar.

[0047] Preferably, the raw material components of the soil remediation agent for improving the fertility of saline-alkali soil are: 50 parts of organic remediation fertilizer, 15 parts of humic acid, 2 parts of microbial agent, 28 parts of organic fertilizer, 7 parts of weathered coal, wood 3 parts vinegar solution.

[0048] Preferably, the organic restoration fertilizer is a mixture of pond mud, nitrogen fertilizer, phosphorus fertilizer and potassium fertilizer, and the specific weight ratio is: pond ...

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Abstract

The invention provides a soil remediation agent for improving fertility of saline alkali soil. The soil remediation agent is prepared from the following raw materials in parts by weight: 40 to 60 parts of an organic remediation fertilizer, 10 to 20 parts of humic acid, 1.5 to 2.5 parts of a microbial agent, 25 to 30 parts of an organic fertilizer, 6 to 8 parts of weathered coal and 2 to 4 parts ofpyroligneous liquor. According to the saline-alkali soil remediation agent, the fertility of saline-alkali soil is improved, the alkalization degree of the saline-alkali soil is reduced, and the looseness and oxygen absorption capacity of the soil are improved; pond sludge, livestock and poultry manure and crop straw are utilized, so that the utilization rate of resources is increased, and the production cost is reduced.

Description

technical field [0001] The invention relates to the technical field of soil pollution remediation, in particular to a soil remediation agent and a preparation method for improving the fertility of saline-alkali soil. Background technique [0002] Soil is the natural environment on which human beings depend and an important resource for agricultural survival. The food, resource and environmental problems faced by the world are closely related to soil. However, with the continuous acceleration of industrialization, rural intensification and urbanization in our country, the area of ​​polluted soil is constantly expanding, and the problem of soil salinization is becoming more and more serious. Due to the salinization of the soil, the beneficial microorganisms in the soil are constantly being killed, resulting in poorer porosity and oxygen absorption capacity of the soil, becoming thinner and thinner, and even compaction, and the fertility of the soil is degraded. With the passa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/80
CPCC05F3/00C05F7/00C05F9/04C05F11/00C05F11/02C05F11/08C05G1/00C05F17/00
Inventor 郑旗顾建忠王书琪
Owner 上海松沅环境修复技术有限公司
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