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Sand soil remediation agent as well as preparation method and application thereof

A soil remediation agent and sandy land technology, applied in the fields of application, soil conditioning materials, chemical instruments and methods, etc., can solve problems such as weak remediation ability, achieve the adjustment of soil porosity, improve aggregate structure, and increase soil water holding capacity and organic matter The effect of content

Pending Publication Date: 2022-04-08
利奥生态科技集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In related technologies, the main components of soil remediation agents are urea, straw and humus, and their ability to repair sandy land is relatively weak.

Method used

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  • Sand soil remediation agent as well as preparation method and application thereof
  • Sand soil remediation agent as well as preparation method and application thereof
  • Sand soil remediation agent as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The sandy land soil remediation agent of embodiment 1 obtains by following operation steps:

[0039] According to the dosage in Table 1, fermented soybean (bio-organic fertilizer), biochar, Pleurotus eryngii fungi residue, polymer water-absorbent resin, sodium carboxymethylcellulose, polyacrylamide and polyuronic acid are mixed, stirred Uniform, fermented and decomposed to obtain mixture A;

[0040] The mixture A was granulated under steam conditions, and dried at 80°C for 30 minutes to obtain a sandy land soil restoration agent.

Embodiment 2-5

[0042] The sandy land soil remediation agent of Examples 2-5 is exactly the same as that of Example 1 in terms of preparation method and raw material types, the difference being that the dosage of each raw material is different, as shown in Table 1 for details.

[0043] Each raw material dosage (unit: kg) of table 1 embodiment 1-5 sandy land soil remediation agent

[0044] raw material Example 1 Example 2 Example 3 Example 4 Example 5 fermented soybeans 30 40 50 60 70 bio-charcoal 6 7 8 9 10 Pleurotus eryngii mushroom residue 10 14 18 22 25 High Molecular Water Absorbent Resin 8 8 8 8 8 Sodium carboxymethyl cellulose 3 3 3 3 3 Polyacrylamide 5 5 5 5 5 polyuronic acid 6 6 6 6 6

Embodiment 6-9

[0046]The preparation method and raw material types of the sandy soil restoration agent of Examples 6-9 are exactly the same as those of Example 3, the difference is that the dosage of each raw material is different, as shown in Table 2 for details.

[0047] Each raw material dosage (unit: kg) of table 2 embodiment 6-9 sandy land soil remediation agent

[0048] raw material Example 6 Example 7 Example 8 Example 9 fermented soybeans 50 50 50 50 bio-charcoal 8 8 8 8 Pleurotus eryngii mushroom residue 18 18 18 18 High Molecular Water Absorbent Resin 5 6 10 6 Sodium carboxymethyl cellulose 2.5 2 2.5 4 Polyacrylamide 5 5 5 5 polyuronic acid 6 6 6 6

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Abstract

The invention relates to the technical field of soil improvement, and particularly discloses a sand soil remediation agent and a preparation method thereof. The biological organic fertilizer is prepared from the following raw materials in parts by weight: 30 to 70 parts of biological organic fertilizer, 6 to 10 parts of charcoal, 10 to 25 parts of pleurotus eryngii mushroom dregs, 5 to 10 parts of macromolecular water-absorbent resin, 2 to 4 parts of sodium carboxymethyl cellulose, 3 to 7 parts of polyacrylamide and 4 to 8 parts of glyuronic acid. After the soil remediation agent prepared in the invention is applied to the sand land, the soil water content, the organic matter content and the porosity of the sand land can reach 8.64%, 9.52 g / kg and 59.37% at most; the minimum volume weight of the soil is 1.20 g / cm < 3 >, the porosity of the soil is adjusted, the granular structure of the soil is improved, the water-holding capacity and the organic matter content of the sand soil are improved, and the repairing capacity of the soil repairing agent to the sand is improved.

Description

technical field [0001] The application relates to the field of soil improvement, more specifically, it relates to a sandy soil restoration agent and its preparation method and application. Background technique [0002] Sandy land mainly refers to land covered by sand on the surface and basically devoid of vegetation. Sandy soil has long-term problems such as poor soil quality, low water and fertilizer retention capacity, accelerated soil erosion, and environmental deterioration, which seriously affect the growth of sandy crops and lead to low yields of sandy crops. As people pay more and more attention to the protection of the soil environment, soil remediation agents are usually applied on sandy land to repair and improve the soil structure. [0003] In the related art, the main components of the soil remediation agent are urea, straw and humus, and its ability to remediate sandy land is relatively weak. Contents of the invention [0004] In order to improve the remedia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/40C09K17/42C05G3/00C05G3/80C09K101/00
Inventor 贯莉芳窦云龙王曦明孙瑛
Owner 利奥生态科技集团有限公司
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