Synthetic bacterial community constructed by parabacteroides and application thereof

CN119432644BActive Publication Date: 2026-07-21GUANGXI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GUANGXI UNIV
Filing Date
2024-09-25
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing technologies for improving acidic soils suffer from problems such as short-lived effects, high costs, environmental pollution, and limited ability to restore soil biological network structure. In particular, a systematic approach to the application of Paracoccus in soil improvement has not yet been developed.

Method used

A synthetic microbial community was constructed using Paracoccus C4-4 and C5-3 to prepare a soil conditioner. Combined with organic materials, the strains' ability to produce alkali and promote growth, as well as their ecological adaptability, improved acidic soil and increased soil pH, organic matter, and nutrient content.

Benefits of technology

It significantly increases soil pH and organic matter content, improves soil structure, promotes plant growth, enhances soil microbial diversity, and solves the problem of improving acidic soil.

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Abstract

The application discloses Paracoccus communis C4-4 and C5-3, the preservation number of which is CGMCC NO:31971 and the classification name of which is Paracoccus communis, and the preservation number of which is CGMCC NO:31972 and the classification name of which is Paracoccus communis. Researches show that C4-4 and C5-3 have strong ecological adaptability and good growth promotion ability, and can improve the internal environment of soil in combination with organic materials. A synthetic microbial population constructed by Paracoccus communis comprises C4-4 and C5-3. Tests prove that the synthetic microbial population comprising C4-4 and C5-3 has the advantages of the synthetic microbial population, the microbial population has high alkali production and growth promotion ability, has good ecological adaptability, the pH adaptation range is 4-8, the manganese stress tolerance can reach 5000 μmol / L, can significantly improve the pH of a culture medium, and has obvious alkalization effect. The synthetic microbial population is used as a microbial agent and is compounded with organic materials to prepare a soil conditioner capable of improving acid soil and promoting plant growth. The conditioner is applied to acid and lean soil, can significantly improve the soil pH, improve the content of soil organic matter, nitrogen, phosphorus and potassium, and promote root growth.
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