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In-situ soil bioremediation method

A bioremediation and soil technology, applied in the direction of soil preparation method, fertilizer mixture, application, etc., to reduce mechanical energy consumption, increase economic value, and improve the effect of soil environment

Inactive Publication Date: 2019-07-12
湖州灵粮生态农业有限公司
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] The invention provides a method for in-situ bioremediation of soil, which not only solves the problem of soil compaction, but also utilizes microbial agents to corrode straw in situ to improve economic benefits

Method used

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Embodiment Construction

[0023] A method for in-situ bioremediation of soil, comprising the following steps:

[0024] Step 1, plough the land that needs to be improved, use the loader to level the site, and the ploughing depth is within 0.6-1.5 meters;

[0025] Step 2, select a quantitative humic acid base material, carry out the crushing process, the processed particle fineness is more than 90 mesh, and store it for later use; put 200-250 parts of humic acid, 150-180 parts of urea, and nitric acid into the land after the ploughing. 25-45 parts of potassium, 30-35 parts of amino acids, 15-20 parts of trace elements, fully mixed with the soil, in addition, a certain amount of chelate is added later, which can effectively protect the addition and reaction of trace primary colors; chelation Compounds (formerly known as internal complex salts) are complexes with a cyclic structure formed by the combination of central ions and multidentate ligands. In the structure of the chelate, there must be one or mor...

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Abstract

The invention relates to an in-situ soil bioremediation method. The method includes steps: ploughing to-be-improved land, adding raw materials such as humic acid into the ploughed land, irrigating soil with microbial agents and nutritive salt in, and planting crops; after the crops are mature, performing deep ploughing, burying straw, and irrigating with bioactive microbial agents; sowing crops again after the land is compacted for a period of time. The in-situ soil bioremediation method has advantages that the microbial agents are capable of effectively improving soil granulation, and soil loosening and soil environment improvement are realized; straw is subjected to in-situ decomposition through the microbial agents to serve as a crop growth fertilizer, so that an economic value of biomass waste is increased.

Description

technical field [0001] The invention relates to the field of agricultural fertilizers, in particular to a method for in-situ bioremediation of soil. Background technique [0002] China's arable land accounts for 7% of the world's total, but it uses about 35% of the world's fertilizers, ranking first in the world. In recent years, due to the long-term application of chemical fertilizers, soil compaction, soil fertility decline, ecological destruction, environmental pollution, and decline in the quality of agricultural products have occurred. Current soil conditions give humic acid fertilizers an advantage. Fertilizers play a major role in increasing agricultural production. However, due to farmers' long-term partial application of nitrogen fertilizers, especially their long-term dependence on nitrogen fertilizers, soil compaction and salinization are common. At present, the utilization rate of fertilizers in my country is still very low: nitrogen fertilizers are easily lost...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02C05G3/04C05G3/80
CPCA01B79/02C05F11/00C05C5/02C05G3/80Y02P60/20
Inventor 梁志杰江志安毛浩
Owner 湖州灵粮生态农业有限公司
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