An organic fertilizer that promotes crop growth and its preparation process

By precisely controlling the timing of the composting process with a core-shell structured biocomposting agent, lignin and cellulose are decomposed, releasing the core microbial community to catalyze polymerization reactions. This solves the problem of low composting efficiency in existing technologies and achieves efficient and safe organic fertilizer production.

CN122301588APending Publication Date: 2026-06-30江西赣润生物科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
江西赣润生物科技有限公司
Filing Date
2026-04-15
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

In existing organic fertilizer production, lignin and cellulose in livestock and poultry manure and straw are difficult to degrade quickly. The initial composting environment inhibits microbial activity, and the activity of functional strains is insufficient in the later stages, resulting in a decrease in composting efficiency and an inability to effectively break through the lignocellulose barrier.

Method used

This biocomposting agent employs a core-shell structure. The outer shell consists of a pH-responsive biomass-loaded metal catalyst, while the core encapsulates a complex microbial strain. Through precise timing control, it decomposes lignin and cellulose in the early stages of composting and releases the core microbial community to catalyze polymerization reactions in the later stages. This combination of chemical catalysis and biodegradation enhances composting efficiency and product quality.

Benefits of technology

It significantly improves composting efficiency and humus content in organic fertilizers, increases microbial survival rate and resource utilization, reduces heavy metal content, and enhances the overall effectiveness and safety of compost products.

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Abstract

This invention relates to the field of organic fertilizer technology, specifically to an organic fertilizer that promotes crop growth and its preparation process. It includes the following steps: pretreatment of a biomass carrier to prepare a precursor solid; preparation of a biomass-supported metal catalyst; preparation of succinylated chitosan; preparation of a bio-fermenting agent; and preparation of the organic fertilizer that promotes crop growth. This invention constructs a core-shell structured fermenting agent, with the outer shell composed of a pH-responsive biomass-supported metal catalyst and the inner core encapsulating a complex microbial community, perfectly protecting the core microbial community from inhibition. Through functional division and temporal control, the overall efficiency of substrate degradation and humic substance synthesis is greatly improved. Simultaneously, through precise delayed release of the core microbial community, the functional microorganisms are ensured to exert maximum effectiveness under optimal conditions, significantly improving the survival rate and resource utilization rate of the microbial community, resulting in an organic fertilizer with a higher humic substance content.
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