Method for comprehensively improving and repairing soil and application thereof

A soil and soil remediation technology, applied in the field of soil remediation, can solve problems such as hidden safety hazards in the quality of agricultural products, inability to prevent and control harmful microorganisms, soil micro-ecological environment damage, etc. Effect

Pending Publication Date: 2021-08-27
BEIJING AGRON BIO PHARM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The applicant found in practical application that although the soil improver can improve the porosity and fertility of the soil, the repaired soil still contains a large number of harmful microorganisms, that is, the soil improver cannot prevent and control the harmful microorganisms in the soil; some After soil disinfection, the micro-ecological environment of the soil is destroyed; some soils have potential safety hazards in the quality of agricultural products due to heavy metal pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example

[0076] Each raw material content (unit: kg) of passivating agent in the preparation example of table 1

[0077] raw material Preparation Example 1 Preparation example 2 Preparation example 3 Phosphate rock 22 25 28 dolomite 11 10 9 sodium humate 6 7 8 Rice Straw Charcoal 32 30 28 Peat 11 10 9 Sodium bentonite 9 8 7

preparation example 1

[0079] A passivator, its raw material ratio is shown in Table 1.

[0080] And, it is prepared by the following method:

[0081] Stir and mix phosphate rock, dolomite, sodium humate, rice straw charcoal, peat, and sodium bentonite evenly to obtain a passivator.

preparation example 2-3

[0083] A passivating agent, which differs from Preparation Example 1 in that the ratio of raw materials is different, and the ratio of raw materials is shown in Table 1.

[0084] Each raw material content (unit: kg) of biological fumigant in the preparation example of table 2

[0085] raw material Preparation Example 4 Preparation Example 5 Preparation example 6 Preparation Example 7 Allyl isothiocyanate 15 27 30 30 Ethyl isothiocyanate 11 8 5 0 ethyl acetate 35 22 7 15 sec-butyl acetate 35 21 5 15 Cyclohexanone 5 25 47 30 Calcium dodecylbenzenesulfonate 6 4 2 5 Phenylphenol polyoxyethylene ether 7 9 11 10

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PUM

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Abstract

The invention relates to the technical field of soil remediation, and particularly discloses a method for comprehensively improving and repairing soil and application thereof. The method includes the steps of S1, conducting soil disinfection treatment: harmful microorganisms in the soil are killed through a physical or biological method; S2, conducting soil organic fertilization: a bio-organic fertilizer is supplemented or organic materials are returned to a field locally and nearby for transformation, and soil organic matters and beneficial microorganisms are increased; S3, balancing mineral nutrition in the soil: the nutrient condition of the soil is detected and analyzed, mineral elements are supplemented in a targeted mode, and the mineral nutrition is balanced in the soil; and S4, conducting soil heavy metal passivation: a passivator is added into the soil, and heavy metal in the soil is passivated through the passivator. According to the method for comprehensively improving and repairing the soil, the harmful microorganisms and the heavy metal in the soil can be effectively removed, the soil fertility and the fertilizer retention capacity are improved, and market requirements are met.

Description

technical field [0001] This application relates to the technical field of soil remediation, more specifically, it relates to a method for comprehensively improving and remediating soil and its application. Background technique [0002] With the improvement of people's living standards, agriculture has also developed rapidly. However, due to urban pollution and long-term application of various agricultural chemicals, soil pollution is caused to varying degrees, and soil pollution directly affects the growth and yield of crops. When remediating soil pollution, a soil conditioner is generally added to the soil, and the soil conditioner and soil are evenly mixed to achieve the purpose of improving soil pollution. The applicant found in practical application that although the soil improver can improve the porosity and fertility of the soil, the repaired soil still contains a large number of harmful microorganisms, that is, the soil improver cannot prevent and control the harmful...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02C05G3/80C05F17/50C05F17/20C05F3/00C09K17/40A01N47/46A01N37/02A01N35/06A01N25/18A01N25/30A01P3/00A01P1/00C09K101/00
CPCA01B79/02C05F3/00C05F17/20C05F17/50C05G3/80A01N47/46A01N37/02A01N35/06A01N25/18A01N25/30C09K17/40C09K2101/00C05F5/00C05F5/002C05F11/00C05F11/08Y02W30/40Y02A40/20
Inventor 侯福新杨国权
Owner BEIJING AGRON BIO PHARM
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