Growth-promoting bacterial fertilizer taking forestry waste as matrix as well as preparation method and application of growth-promoting bacterial fertilizer

By screening out saline-alkali-resistant bacterial strains and using jujube branches as substrates, a saline-alkali plant bacterial fertilizer was developed, which solved the problem of insufficient microbial bacterial agents in saline-alkali soil, and achieved the effect of promoting plant growth and improving soil quality.

CN119707586APending Publication Date: 2025-03-28NINGXIA UNIVERSITY
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Patent Information

Application Number
CN202411559447.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

In the prior art, there are fewer microbial bacteria agents used in saline-alkali earth, and acid-producing bacteria grown in saline-alkali earth environment are difficult to grow, resulting in limited application range.

Method used

By screening out the fast growth rate, wide life-promoting and competitive strains of Bacillus subtilis MX26 and Enterobacteria Huo from saline-alkali soil, the environmentally friendly saline-alkali plant proliferation fertilizer was developed through aerobic fermentation.

Benefits of technology

This bacterial fertilizer can effectively promote the growth of saline-alkali plant, improve the saline-alkali tolerance of plants, improve the physical and chemical properties and structure of soil, and improve soil fertility. It is low in cost and will not cause secondary pollution.

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Abstract

The invention discloses a growth-promoting bacterial fertilizer taking forestry waste as a matrix as well as a preparation method and application thereof, and relates to the field of bacterial fertilizer production, the growth-promoting bacterial fertilizer is a bacillus subtilis MX26 strain and an enterobacter hormaechei AC3 strain, and the preservation numbers are CGMCC NO: 31772 and CGMCC NO: 31773 respectively. The preparation method of the growth-promoting bacterial fertilizer comprises the following steps: uniformly mixing bacterial suspensions of saline-alkaline-tolerant growth-promoting bacteria bacillus subtilis MX26 and enterobacter hormaechei AC3 according to a volume ratio of 1: 1, fermenting, centrifuging thalli, and preparing a complex microbial inoculant by using sterile water; crushed jujube tree branch powder is used as a substrate, 10% of bran and a small amount of nutrient elements are added to prepare a solid fermentation substrate, the complex microbial inoculum is inoculated according to the inoculation amount of 15%, and the solid fermentation substrate is obtained through constant-temperature standing fermentation. The growth-promoting bacterial fertilizer disclosed by the invention is low in cost, does not generate secondary pollution, and can effectively promote the growth of plants in the saline-alkali soil.
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