Saline alkali soil remediation agent and remediation method

A technology of saline-alkali soil and remediation agent, applied in the field of soil remediation, can solve problems such as poor remediation effect

Inactive Publication Date: 2020-06-05
WEIFANG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the restoration effect of saline-alkali soil remediation agent in the prior art is not good

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Component A: 60 parts of desulfurized gypsum, 5 parts of sawdust, 2 parts of zeolite, 5 parts of briquette ash, 50 parts of citric acid residue, 5 parts of river sand, 80 parts of diatomaceous earth, 5 parts of seaweed residue, 10 parts of biochar, shrimp 60 parts of shell, 1 part of polymerized aluminum iron silicate;

[0056] Component B: 10 parts of humic acid powder, 10 parts of trace element fertilizer, 2 parts of mixed microbial solution.

[0057] Among them: rice husk charcoal and pig manure charcoal are mixed in any proportion for biochar; 10 parts of chelated zinc, 5 parts of chelated iron, 6 parts of chelated magnesium, 8 parts of chelated copper and 5 parts of organic matter are selected as the trace element fertilizer; The mixed bacteria solution is composed of Bacillus licheniformis solution, Pseudomonas aeruginosa solution, Bacillus subtilis solution, nitrifying bacteria solution, Bacillus thuringiensis solution, Rhizobium solution and Agrobacterium soluti...

Embodiment 2

[0061] Component A: 90 parts of desulfurized gypsum, 20 parts of sawdust, 10 parts of zeolite, 10 parts of briquette ash, 100 parts of citric acid residue, 10 parts of river sand, 100 parts of diatomite, 20 parts of seaweed residue, 30 parts of biochar, shrimp 80 parts of shell, 5 parts of polymerized aluminum iron silicate;

[0062] Component B: 50 parts of humic acid powder, 14 parts of trace element fertilizer, 10 parts of mixed microbial solution.

[0063] Among them: straw charcoal and cow dung charcoal are mixed in any proportion for biochar; 26 parts of chelated zinc, 10 parts of chelated iron, 12 parts of chelated magnesium, 10 parts of chelated copper, and 8 parts of organic matter are selected as the trace element fertilizer; microbial mixed bacteria The liquid is composed of bacillus licheniformis liquid, bacillus subtilis liquid, nitrifying bacteria liquid, bacillus thuringiensis liquid, rhizobia liquid and agrobacterium liquid in any proportion.

[0064] Saline-a...

Embodiment 3

[0067] Component A: 75 parts of desulfurized gypsum, 10 parts of sawdust, 6 parts of zeolite, 7 parts of briquette ash, 75 parts of citric acid residue, 7 parts of river sand, 90 parts of diatomite, 10 parts of seaweed residue, 20 parts of biochar, shrimp 70 parts of shell, 3 parts of polymerized aluminum iron silicate;

[0068] Component B: 30 parts of humic acid powder, 12 parts of trace element fertilizer, 6 parts of mixed microbial solution.

[0069] Among them: biochar chooses straw charcoal and pig manure charcoal in any proportion; trace element fertilizer chooses 15 parts of chelated zinc, 7 parts of chelated iron, 11 parts of chelated magnesium, 9 parts of chelated copper, and 7 parts of organic matter; microbial mixture The bacterial liquid is composed of Bacillus licheniformis liquid, Pseudomonas aeruginosa liquid, nitrifying bacteria liquid, Bacillus thuringiensis liquid, Rhizobium liquid and Agrobacterium liquid in any proportion.

[0070] Saline-alkali soil reme...

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PUM

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Abstract

The invention relates to the technical field of soil remediation, in particular to a saline alkali soil remediation agent and a remediation method. The soil remediation agent comprises a component A and a component B, wherein the component A comprises the following components in parts by weight: 60-90 parts of desulfurized gypsum, 5-20 parts of sawdust, 2-10 parts of zeolite, 5-10 parts of honeycomb briquette ash, 50-100 parts of citric acid residues, 5-10 parts of river sand, 80-100 parts of diatomite, 5-20 parts of seaweed residues, 10-30 parts of charcoal, 60-80 parts of shrimp shells and 1-5 parts of polyaluminum ferric silicate. The component B is prepared from the following components in parts by weight: 10-50 parts of humic acid powder, 10-14 parts of trace element fertilizer and 2-10 parts of microorganism mixed bacteria liquid. According to the saline alkali soil remediation method, the saline alkali soil remediation agent is added into saline alkali soil for remediation, theremediation method is simple, comprehensive remediation of the saline alkali soil can be guaranteed, and the soil activity is improved.

Description

technical field [0001] The invention relates to the technical field of soil remediation, in particular to a saline-alkali soil remediation agent and a remediation method. Background technique [0002] Saline-alkali land is an important class of land resources, which can be found in arid and semi-arid regions on all continents of the world. As of 2000, the total area of ​​saline-alkali soil in the world is about 1×10 9 hm 2 . In our country there are 0.99×10 8 hm 2 The saline-alkali land is mainly distributed in Inner Mongolia and the western part of Northeast China, Yinchuan Plain, Xinjiang, Shanxi Basin, North China Plain, and Tibet. Due to high salt content, high pH value and sodium adsorption ratio, poor air permeability, easy compaction, and low fertility, saline-alkali soil inhibits crop growth and affects the sustainable development of agriculture and the expansion of newly-added cultivated land. Therefore, the remediation of saline-alkali soil has always been a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/40C09K101/00
CPCC09K17/40C09K2101/00
Inventor 冯棣王志和张敬敏祝海燕
Owner WEIFANG UNIV OF SCI & TECH
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