Method for restoring degraded grassland vegetation by using grid-like hemp rope mesh belt

A degraded grassland and grid-like technology, applied in the direction of soil preparation methods, applications, agricultural machinery and implements, etc., can solve the problems of unsatisfactory restoration effects, improve water conservation and interception capabilities, achieve better results, and increase soil seed banks Effect

Inactive Publication Date: 2019-11-19
GRASSLAND RES INST OF CHINESE ACAD OF AGRI SCI
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Problems solved by technology

[0003] At present, the widely used degraded grassland vegetation restoration methods are all unsatisfactory due to lack of water, such as reseeding, fertilization, etc. Therefore, it is very necessary for researchers to develop some technical measures of human disturbance to improve natural grassland interception. The ability of natural precipitation to accelerate grassland vegetation recovery and improve grassland productivity

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  • Method for restoring degraded grassland vegetation by using grid-like hemp rope mesh belt

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Embodiment Construction

[0016] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0017] like figure 1 As shown in the present invention, the method for restoring degraded grassland vegetation by using grid-like hemp rope mesh belt specifically includes the following steps:

[0018] (1) Preparation of mesh-shaped hemp rope mesh belt: It is preferred to make a mesh-shaped hemp rope mesh belt for laying on the degraded grassland. cm, a plurality of hemp ropes are woven into a grid-like hemp rope mesh belt by knotting and fixing. The length of the belt can be made according to the needs;

[0019] (2) Laying grid-shaped hemp rope mesh belt: The water retention method of degraded grassland is: when the annual rainy season comes, the grid-shaped hemp rope mesh belt is laid on the ground of the degraded grassland along the contour line. During the natural precipitation process Rainwater fully wets the hemp rope. After absorbin...

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Abstract

The invention discloses a method for restoring degraded grassland vegetation by using a grid-like hemp rope mesh belt, including the steps of making a grid-like hemp rope mesh belt for laying on degraded grassland, wherein a hemp rope for making the grid-like hemp rope mesh belt is 0.8 cm to 1.5 cm thick, and multiple hemp ropes are woven into the grid-like hemp rope mesh belt by knotting and fixing; the grid side length of the grid-like hemp rope mesh belt is 25 cm to 35 cm, and the width of the mesh belt is 1.1 m to 1.3 m; when the rainy season comes, the grid-like hemp rope mesh belt is laid along the contour line on the ground of the degraded grassland. During natural precipitation, the hemp ropes are fully wetted by rainwater; under the action of gravity of the hemp ropes absorbing water, grids fully contact the surface of the degraded grassland to form closed three-dimensional grids; the three-dimensional grids can reduce surface runoff, retain natural precipitation, improve theutilization efficiency of natural precipitation, intercept seeds spread by wind, increase soil seed banks of the degraded grassland, and increase surface soil fertility in the grids.

Description

technical field [0001] The invention belongs to the technical field of restoration of degraded grassland vegetation, and in particular relates to a method for restoring degraded grassland vegetation by adopting a mesh-shaped hemp rope mesh belt. Background technique [0002] At present, 90% of natural grasslands in my country have been degraded to varying degrees. Among the grasslands in the country, moderately and severely degraded grasslands still account for more than 1 / 3 of the grassland area. Due to the serious degradation of grassland, the production and ecological functions of grassland continue to decline. Therefore, it is urgent to develop a restoration measure suitable for use in degraded natural grassland. Moisture is the most important ecological factor in grassland ecosystems located in arid and semi-arid regions, and is a key factor restricting the restoration of degraded natural grassland vegetation. Due to the large area of ​​natural grassland and complex te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02
CPCA01B79/02Y02P60/20
Inventor 孙世贤丁勇李西良张勇李元恒纪磊李芳
Owner GRASSLAND RES INST OF CHINESE ACAD OF AGRI SCI
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