A method for converting insoluble phosphorus using microorganisms of the genus Enterobacter and a high-efficiency phosphorus-dissolving agent and its application

By combining Enterobacter HS-6 with bone char, a highly efficient phosphorus-solubilizing agent is used to convert insoluble phosphorus in bone char into soluble phosphorus, solving the problem of low phosphorus resource utilization efficiency in bone char and realizing the efficient utilization of phosphorus resources and sustainable agricultural development.

CN120097770BActive Publication Date: 2025-10-28GUANGDONG UNIV OF TECH +1
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Patent Information

Application Number
CN202510264371.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2025-10-28
Estimated Expiration
2045-03-06

AI Technical Summary

Technical Problem

In existing technologies, the insoluble phosphorus in bone char is difficult for plants to directly absorb and utilize, resulting in low phosphorus resource utilization efficiency, high agricultural production costs, and serious environmental pollution.

Method used

By combining Enterobacter HS-6 with bone char, a highly efficient phosphate-solubilizing agent was prepared. This agent utilizes the phosphate-solubilizing ability of Enterobacter HS-6 to convert insoluble phosphorus in bone char into soluble phosphorus, and promotes bacterial growth and metabolism through culture medium.

Benefits of technology

It improves the utilization efficiency of phosphorus resources in bone char, reduces dependence on chemical phosphate fertilizers, improves soil quality, promotes crop growth, increases the recovery rate of phosphorus resources, and reduces environmental pollution.

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Abstract

This invention relates to the fields of environmental protection, resource utilization, and agricultural biotechnology, specifically to a method for converting insoluble phosphorus using *Enterobacter horneri* microorganisms, as well as a highly efficient phosphorus-solubilizing agent and its applications. The highly efficient phosphorus-solubilizing agent comprises phosphorus-solubilizing bacteria, bone char, and a culture medium; the phosphorus-solubilizing bacteria is *Enterobacter horneri* HS-6. By combining *Enterobacter horneri* HS-6 with bone char, both the phosphorus-solubilizing ability of *Enterobacter horneri* HS-6 and the phosphorus resources of bone char can be fully utilized. The surface of bone char provides a carrier for the growth and reproduction of the microorganisms, and its insoluble phosphorus can be converted into soluble phosphorus. This phosphorus-solubilizing agent shows great promise in the preparation of bio-fertilizers, agricultural soil improvement, bone char phosphorus resource recovery, and the promotion of crop growth. This method for converting insoluble phosphorus using *Enterobacter horneri* microorganisms not only effectively improves the utilization efficiency of phosphorus resources and reduces dependence on limited phosphate rock resources, but also has significant implications for promoting sustainable agricultural development.
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