Method and salt leaching and inhibiting system for improving coastal beach by burying plant stalks in ditches

A technology of plant straw and salt spraying, which is applied in the field of salt spraying and salt suppression system, can solve the problems of slow effect and achieve the effect of lasting effect and reducing production cost.

Inactive Publication Date: 2012-08-01
苏州绿世界园林发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

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  • Method and salt leaching and inhibiting system for improving coastal beach by burying plant stalks in ditches
  • Method and salt leaching and inhibiting system for improving coastal beach by burying plant stalks in ditches
  • Method and salt leaching and inhibiting system for improving coastal beach by burying plant stalks in ditches

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Effect test

Embodiment 1

[0034] (1) if figure 1 During the plant growth period, on moderate to severe saline-alkali land in the coastal tidal flats with sufficient rainfall (the average salt content of the 50cm soil on the surface layer is 4.5g / kg, and only the saline-alkali-tolerant reeds, bitter weeds, and Artemisia californica are clustered Distribution) According to row spacing 2m, 3m, 6m respectively excavate the drainage salt ditch 1 of 40cm deep and 20cm wide as the drainage salt shower channel, the drainage salt ditch 1 is filled with reed straw 2.

[0035] (2) Excavate a salt-return inhibiting vertical shaft 3 as a water collection facility at intervals of 40m in the above-mentioned draining salt ditch 1, and connect the salt-returning inhibiting shaft 3 with the draining salt ditch 1. The caliber of the anti-salt return shaft 3 is 1m, and the depth is 1.5m based on the ground. In the anti-salt return shaft 3, non-perishable reed straw 4 is placed upright along the height direction of the ant...

Embodiment 2

[0039] (1) if image 3, on the coastal beach with severe saline-alkali land (the average salt content of the 50cm soil on the surface layer is as high as 9.4g / kg, there are obvious saline-alkali spots, and only a small amount of saline-alkali-tolerant plants such as reeds, bitter weeds, and Artemisia japonica are scattered in a scattered manner. ) Excavate a drainage and salt ditch 5 with a depth of 40 cm and a width of 20 cm as a drainage and salt drainage channel with a row spacing of 6 meters, and fill the ditch with reed straw 6 .

[0040] (2) Excavate a salt-return suppression vertical shaft 7 as a water flow collection facility at intervals of 40m along the above-mentioned drainage salt-spray ditch 5, and connect the salt-return suppression vertical shaft 7 with the drainage salt-spray ditch 5. The caliber of the salt-return shaft 7 is 1m, and the depth is 1.5m based on the ground. In the salt-return shaft 7, non-perishable jute stalks 8 are placed upright along the heig...

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Abstract

The invention relates to a technical method and a salt leaching and inhibiting system for improving coastal beach by burying plant stalks in ditches. The invention is characterized in that: a drainage ditch salt leaching technology, a vertical shaft salt return inhibiting technology and a corresponding salt leaching and inhibiting system are adopted, salt in soil is leached through broad irrigation or by using natural rainfall, enters a drainage salt leaching channel which is dug in advance together with water, and is conveyed into deep soil through vertical shafts, so that the salt of surface soil is reduced. The plant stalks in the drainage salt leaching channel and the vertical shafts can keep large porosity inside accumulation for a long term, ensure that the salt leaching process is irreversible or hardly reversible, and have a long-term drainage salt leaching function. The invention follows the ecological safety concept and provides a positive and effective method for efficiently and safely improving the soil of beach and intensively and efficiently utilizing beach resources. By the invention, the production cost is greatly reduced, the salt leaching and inhibiting effect is lasting, and a problem of salt return of saline-alkali soil is avoided.

Description

technical field [0001] The invention relates to a method for improving coastal tidal flats by burying plant straws in trenches and a salt spraying and salt suppression system thereof. Background technique [0002] The comprehensive development of coastal tidal agriculture and forestry aims to increase the effective supply of major agricultural and forestry products and increase farmers' income as the ultimate goal, and takes comprehensive land management and improvement of agricultural and forestry production conditions as the main means. Therefore, to speed up the improvement process of coastal tidal flat soil, the first problem to be solved is to eliminate the obstacle factors that are not conducive to plant growth, improve the harsh soil environment of coastal tidal flat land, increase land output rate and economic benefits, and realize the sustainable and harmonious development of coastal tidal flats. The foundation of ecological restoration is also the key to the compre...

Claims

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Application Information

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IPC IPC(8): A01B77/00A01B79/00
CPCY02A40/10
Inventor 刘金根宋青王建中徐芹
Owner 苏州绿世界园林发展有限公司
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