Coxsackii strain, microbial agent and application of coxsackii strain and microbial agent

By using Cossackella strain P1-4 and its inoculant, the problem of simultaneous heavy metal pollution and nutrient activation in soil was solved, resulting in improved soil fertility and safer crop yields. It also reduced cadmium content in soil and crops, providing an efficient bioremediation solution.

CN121991835APending Publication Date: 2026-05-08HUNAN AGRI UNIV
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Patent Information

Application Number
CN202610013051.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-01-07
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Existing microbial agents are not always effective in addressing heavy metal pollution and nutrient activation in soil. They have limited functionality and are difficult to maintain consistent high efficiency in different field environments. Furthermore, existing remediation technologies are difficult to implement and costly, making them difficult to promote on a large scale.

Method used

The Kosakonia sacchari strain P1-4 and its inoculant were used and applied to the soil to enhance soil nutrient activation, promote crop growth, and fix cadmium, thereby reducing cadmium content in the soil and crops.

Benefits of technology

It significantly increases the content of nutrients such as NH4-N, NO3-N, organic phosphorus, and organic matter in the soil, promotes rice growth, reduces the cadmium content in the soil and rice grains, ensures crop safety, and achieves the dual goals of increasing yield and ensuring safety.

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Abstract

The invention belongs to the technical field of agricultural microorganisms, and discloses a coxsackii strain which is named as coxsackii P1-4 and preserved in China Center for Type Culture Collection on September 20, 2023, the preservation address is Wuhan University, Wuhan, China, and the preservation number is CCTCC NO: M 20231759. The invention further discloses a microbial agent containing the bacterial strain, application of the microbial agent in promoting rice growth and / or improving soil health and application of the microbial agent in reducing the content of cadmium in soil and / or reducing the content of cadmium in rice. The coxakella P1-4 strain and the microbial inoculum thereof provided by the invention can synchronously and remarkably improve the key nutrient indexes of soil, can remarkably improve the contents of nutrients such as NH4-N, NO3-N, organic phosphorus and organic matters in the soil, and comprehensively improve the fertility and biological activity of the soil.
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