A kind of soda saline-alkaline soil improver containing combined bacterial agent and its application

A technology of saline-alkali soil and bacterial agent, which is applied in the direction of application, bacteria, fertilizer mixture, etc., to achieve the effect of easy survival and reproduction, simple production process, and improvement of plant biomass and survivability

Active Publication Date: 2022-02-18
ANSTEEL GRP MINING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are no reports on the method of using Azospirillum brasiliensis, Bacillus licheniformis and Pseudomonas Zhaotung as three kinds of combined bacterial agents

Method used

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  • A kind of soda saline-alkaline soil improver containing combined bacterial agent and its application
  • A kind of soda saline-alkaline soil improver containing combined bacterial agent and its application
  • A kind of soda saline-alkaline soil improver containing combined bacterial agent and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A saline-alkaline soil improvement agent containing a combined bacterial agent is composed of a combined bacterial agent, iron tailings and organic fertilizer, wherein the ratio of the combined bacterial agent, iron tailings and organic fertilizer is 1.4mL: 5g: 1.8g; The combined bacterial agent is composed of the effective concentration of each bacteria is 3.6 × 10 7 CFU / mL Azospirillum brasiliensis, Bacillus licheniformis and Pseudomonas zhaotung were mixed according to the volume ratio of 2.5:2:1.

[0032] The method for improving soda saline-alkali soil is as follows:

[0033] 1) Add iron tailings and organic fertilizer to the saline-alkali land in Zhenlai County, Baicheng City, Jilin Province according to the ratio of 5000g iron tailings and 1800g organic fertilizer per square meter of soil, mix evenly with the saline-alkali land at a depth of 20cm on the surface, and plow the saline-alkali land Perform flood irrigation to balance the soil for a week.

[0034] 2)...

Embodiment 2

[0059] A saline-alkaline soil improvement agent containing a combined bacterial agent, consisting of a combined bacterial agent, iron tailings and organic fertilizer, wherein the ratio of the combined bacterial agent, iron tailings and organic fertilizer is 1.2mL: 4.5g: 1.5g; The above-mentioned joint bacterial agent is that the effective concentration of each bacteria is 8.6×10 7 CFU / mL Azospirillum brasiliensis, Bacillus licheniformis and Pseudomonas zhaotung were mixed according to the volume ratio of 2.5:2:1.

[0060] The method for improving soda saline-alkali soil is as follows:

[0061] 1) According to the ratio of adding 4500g iron tailings and 1500g organic fertilizer per square meter of soil, add iron tailings and organic fertilizer to the saline-alkali land in Zhenlai County, Baicheng City, Jilin Province, mix evenly with the saline-alkali land at a depth of 20cm on the surface, and plow the saline-alkali land Perform flood irrigation to balance the soil for a week...

Embodiment 3

[0087] A saline-alkaline soil improvement agent containing a combined bacterial agent, consisting of a combined bacterial agent, iron tailings and organic fertilizer, wherein the ratio of the combined bacterial agent, iron tailings and organic fertilizer is 1.0mL: 4.0g: 1.7g; The combined bacterial agent mentioned above is that the effective concentration of each bacterium is 1.6×10 7 CFU / mL Azospirillum brasiliensis, Bacillus licheniformis and Pseudomonas zhaotung were mixed according to the volume ratio of 2.5:2:1.

[0088] The method for improving soda saline-alkali soil is as follows:

[0089] 1) According to the ratio of adding 4000g iron tailings and 1700g organic fertilizer per square meter of soil, add iron tailings and organic fertilizer to the saline-alkali land in Zhenlai County, Baicheng City, Jilin Province, mix evenly with the saline-alkali land at a depth of 20cm on the surface, and plow the saline-alkali land Perform flood irrigation to balance the soil for a ...

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Abstract

The invention relates to a soda saline-alkaline soil improvement agent containing a combined bacterial agent, which is composed of a combined bacterial agent, iron tailings and organic fertilizer according to the ratio: 1.0-1.4mL: 4-5g: 1.5-1.8g; the combined The bacterial agent is composed of Azospirillum brasiliensis, Bacillus licheniformis and Pseudomonas Zhaotung. The present invention uses the combined bacterial agent, iron tailings and organic fertilizer to improve the soda saline-alkali soil, increases the biomass of plants, and has a long duration of effect, and the combined bacterial agent used in the present invention is simple to produce, convenient to apply, and can improve plant biological quantity and viability, and improve soil physical and chemical properties. The soil environmental quality after remediation meets the requirements of China's "Soil Environmental Quality Standard" GB156181995.

Description

technical field [0001] The invention belongs to the field of saline-alkaline soil improvement, and in particular relates to a soda saline-alkaline soil improvement agent containing a combined bacterial agent and an application thereof. Background technique [0002] As an important land resource, soda saline-alkali land is widely distributed in my country, and its fragile ecological environment characteristics seriously restrict the development of ecology, agriculture and regional economic society. The soil in soda saline-alkali land has special characteristics such as heavy texture, easy compaction, strong alkalinity, poor water permeability, and difficult management and utilization. The soil nutrients are deficient, and there is competition between salt ions and nutrients, which seriously inhibits the absorption of nutrients by plants. At present, the development of soda saline-alkali land control and improvement technology has attracted more and more attention. [0003] T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20C05G3/80C12R1/01C12R1/10C12R1/38
CPCC12N1/20
Inventor 邵安林许灏李超亮徐连生崔兆杰
Owner ANSTEEL GRP MINING CO LTD
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