Method for improving saline-alkali soil texture through microbial straw fermentation

A technology of microbial fermentation and saline-alkali soil, applied in field preparation methods, cultivation, agricultural machinery and implements, etc., can solve problems such as unfavorable large-scale deep-rooted plant cultivation, uneven distribution of saline and alkali in saline-alkali land, and difficulty in controlling the dosage of drugs, etc. Soil capillary action, improving water and fertilizer retention capacity, and reducing water evaporation

Inactive Publication Date: 2017-09-15
JIANGSU ZHONGYANG GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] There are four main methods for improving saline-alkali land: one is medicament improvement. For example, the application number is CN201210161872.7, and the patent application titled "a saline-alkali land improvement medicament and afforestation method for saline-alkali land improvement" discloses a The method of neutralizing the pH of the soil by spraying the mixed agent, and improving the saline-alkali soil quality, because the distribution of the saline-alkali soil in the saline-alkali land is not uniform, it is difficult to control the dosage of the drug by this method
The second is irrigation and salt drainage. For example, the patent application with the application number CN2013103289

Method used

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Examples

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Embodiment 1

[0026] In this embodiment, the implementation site is the tidal flat saline-alkali land of the coastal alluvial plain in the middle and lower reaches of the Yangtze River. A green belt with a length of 100 m and a width of 10 m is to be built in this saline-alkali land. Dense planting. The specific implementation steps are:

[0027] (1) Excavating saline-alkali soil to build microbial fermentation tunnels

[0028] Level the saline-alkali soil on the surface of the area that needs to be greened and cultivated, and sprinkle a small amount of water on the surface of the saline-alkali soil. Then excavate the saline-alkali soil. The excavated tunnels are long strips. The excavation width of each tunnel is 80cm, the length of each tunnel is 100m, the depth of the tunnel is 40cm, and the distance between the tunnels is controlled at 2.5m. About, in this embodiment, altogether 4 microbial fermentation pits. During excavation, soil moisture needs to be controlled to ensure the forma...

Embodiment 2

[0040] In this embodiment, the implementation site is the tidal flat saline-alkali land in the coastal alluvial plain in the middle and lower reaches of the Yangtze River. A green belt with a length of 100 m and a width of 2.5 m is to be built in this saline-alkali land. and dense planting. The specific implementation steps are:

[0041](1) Excavating saline-alkali soil to build microbial fermentation tunnels

[0042] Level the saline-alkali soil on the surface of the area that needs to be greened and cultivated, and sprinkle a small amount of water on the surface of the saline-alkali soil. Then excavate the saline-alkali soil. The excavated tunnels are long strips. The excavation width of each tunnel is 120cm, the length of each tunnel is 100m, the depth of the tunnel is 50cm, and the distance between the tunnels is controlled at 2.5m. About, in this embodiment, altogether 3 microbial fermentation pits. During excavation, soil moisture needs to be controlled to ensure the ...

Embodiment 3

[0055] In this embodiment, the implementation site is the tidal flat saline-alkali land of the coastal alluvial plain in the middle and lower reaches of the Yangtze River. A green belt with a length of 100 m and a width of 2.5 m is to be built in the saline-alkali land. and dense planting. The specific implementation steps are:

[0056] (1) Excavating saline-alkali soil to build microbial fermentation tunnels

[0057] Level the saline-alkali soil on the surface of the area that needs to be greened and cultivated, and sprinkle a small amount of water on the surface of the saline-alkali soil. Then excavate the saline-alkali soil. The excavated tunnels are long strips. The excavation width of each tunnel is 100cm, the length of each tunnel is 100m, the depth of the tunnel is 45cm, and the distance between the tunnels is controlled at 2.5m. About, in this embodiment, altogether 5 microbial fermentation pits. During excavation, soil moisture needs to be controlled to ensure the ...

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Abstract

The invention discloses a method for improving saline-alkali soil texture through microbial straw fermentation. The method comprises the following steps that 1, saline-alkali soil is excavated to establish microbial fermentation pit channels; 2, the pit channels are covered with straw and microbial flora; 3, saline-alkali 'removal' treatment and complete coverage of the saline-alkali soil are performed; 4, plant root systems are improved. By adopting the method for improving saline-alkali soil, the ecological environment of a mud flat can be improved, and the utilization rate of straw turnover is greatly improved.

Description

technical field [0001] The invention belongs to the field of soil quality improvement, and in particular relates to a method for improving saline-alkali soil quality by fermenting straw with microorganisms. Background technique [0002] Jiangsu is located in the middle of the coastal area of ​​mainland China and is an important part of the Yangtze River Delta region. Among them, the plain area is more than 70,000 square kilometers, accounting for more than 70% of the province's area. It is a typical impact plain of the estuary of a large river. At the same time, the Yangtze River brings a large amount of sediment into the Yellow Sea every year, forming a new alluvial plain. These alluvial plains have been soaked and weathered by salt water for a long time, and the soluble salts have been redistributed to form large areas of weathered saline-alkali soil along the coast. At present, there are 10.31 million mu of coastal tidal flats in Jiangsu, accounting for 1 / 4 of China's to...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01B79/02
CPCA01G17/005A01B79/02
Inventor 钱晓明储开平温松来王建明
Owner JIANGSU ZHONGYANG GRP
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