Soil heavy mental repairing agent and preparation method and application thereof

A technology of heavy metals and remediation agents, applied in the field of environmental pollution control, can solve problems such as single remediation technology, high pollutant content, and large polluted area, and achieve the effects of inhibiting crop absorption, strong environmental adaptability, and high survival rate

Inactive Publication Date: 2017-03-15
SHANGHAI NUOTONG INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the face of the increasingly serious heavy metal pollution: the large area of ​​pollution and

Method used

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  • Soil heavy mental repairing agent and preparation method and application thereof
  • Soil heavy mental repairing agent and preparation method and application thereof
  • Soil heavy mental repairing agent and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The preparation method of the soil heavy metal remediation agent of the present embodiment is as follows:

[0042] (1) Microbial agent preparation: Bacillus subtilis LVLE-14 and Bacillus mucilaginosus Krassilnikov were fermented separately, then adsorbed with humic acid, in parts by weight, according to the ratio of 3:5 mix, pulverize;

[0043] (2) Preparation of raw material mixture: in parts by weight, crushed corn stalks (passed through a 80-100 mesh sieve) and ashed rice husk powder, attapulgite powder and calcium magnesium phosphate fertilizer according to the ratio of 3:2:2:2 The ratio is mixed and crushed.

[0044] (3) Preparation of compound microbial fertilizer: Stir the microbial agent obtained in step (1) and the raw material mixture obtained in step (2) evenly, then pulverize to obtain a compound microbial fertilizer. The weight portion of the composite microbial bacterial agent in the finished composite microbial fertilizer is 1 part.

[0045] Applicatio...

Embodiment 2

[0047] The preparation method of the soil heavy metal remediation agent of the present embodiment is as follows:

[0048] (1) Microbial agent preparation: ferment Bacillus subtilis LVLE-14, Bacillus colioids, strains separately, then adsorb with humic acid, mix and pulverize according to the ratio of 3:5 in parts by weight;

[0049] (2) Preparation of raw material mixture: in parts by weight, crushed mushroom dregs (passed through a 80-100 mesh sieve) and carbonized rice straw, sepiolite and silicon-calcium fertilizer were mixed in a ratio of 3:3:1.5:1.5, smash.

[0050] (3) Preparation of compound microbial fertilizer: Stir the microbial agent obtained in step (1) and the raw material mixture obtained in step (2) evenly, then pulverize to obtain a compound microbial fertilizer. The weight portion of the composite microbial bacterial agent in the finished composite microbial fertilizer is 1 part.

[0051] Application method: 100 kg per mu. If it is a dry field, evenly spread...

Embodiment 3

[0053] The preparation method of the soil heavy metal remediation agent of the present embodiment is as follows:

[0054] (1) Microbial agent preparation: ferment Bacillus subtilis LVLE-14, Bacillus colioids, strains separately, then adsorb with humic acid, mix according to the ratio of 4:5 in parts by weight, and pulverize;

[0055] (2) Preparation of raw material mixture: in parts by weight, crushed corn stalks (passed through a 80-100 mesh sieve) and shell charcoal, bentonite and phosphate rock powder are mixed in a ratio of 3.5:2:1.5:1.5, and crushed.

[0056] (3) Preparation of compound microbial fertilizer: Stir the microbial agent obtained in step (1) and the raw material mixture obtained in step (2) evenly, then pulverize to obtain a compound microbial fertilizer. The weight portion of the composite microbial bacterial agent in the finished composite microbial fertilizer is 1.5 parts.

[0057] Application method: 120 kg per mu. If it is a dry field, spread it evenly o...

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Abstract

The invention discloses a soil heavy mental repairing agent and a preparation method and an application thereof. The soil heavy mental repairing agent is composed of an organic material, a mineral raw material, a carbon material, an inorganic fertilizer and a microbial agent, wherein the viable count of the microbial agent is 1*10<7>-1*10<10>, the content of N, P2O5 and K2O is 8%-15% of the content of total nutrient, the content of the organic material is 20%-40% and pH is 5.5-8.5. The invention also provides an application method of the soil heavy mental repairing agent. The dosage is 80-150kg/mu; the effective heavy metal content of the soil can be effectively reduced; the heavy metal absorption of the crop can be obviously restrained; the crop yield and quality can be improved; the yield and income can be increased; the soil heavy mental repairing agent has significance in promoting social stability, economic growth and environmental diplomacy and guaranteeing ecological safety, food safety and human health.

Description

technical field [0001] The invention belongs to the technical field of environmental pollution control, and specifically relates to a functional compound microbial fertilizer for repairing heavy metals in soil, a preparation method and an application method. Background technique [0002] Due to the extensive use of industrial "three wastes", sewage irrigation, agricultural sludge and agricultural inputs containing heavy metals, soil heavy metal pollution has become increasingly serious, which has become one of the main environmental problems facing our country. According to the survey, the area of ​​arable land polluted by heavy metals in my country has reached 20 million hectares, accounting for 1 / 5 of the total arable land area in the country, and the proportion of points with heavy metal pollution or exceeding the standard accounts for 2.5%, covering an area of ​​34.88 million mu, slightly- Slightly polluted or exceeding the standard proportion accounted for 5.7%, covering...

Claims

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Application Information

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IPC IPC(8): C05G3/04C09K17/40C09K101/00C05G3/80
CPCC05B17/00C05D3/00C05D9/00C05G3/80C09K17/40C09K2101/00C05F11/00C05F11/02C05F11/08C05G1/00C05D5/00C05F5/00
Inventor 王小蒙陈露闫龙翔阚雨晨林百全
Owner SHANGHAI NUOTONG INFORMATION TECH CO LTD
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