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Method for quickly recovering vegetation of sand-bare plants

A rapid recovery and vegetation technology, applied in the fields of desertification prevention and rainwater utilization

Inactive Publication Date: 2006-01-25
INST OF GENETICS & DEVELOPMENTAL BIOLOGY CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to establish a technology that can effectively promote the rapid recovery of bare sand vegetation in desertified areas, and apply fertilizers and soil improvers through ditching to supplement nutrients and water in the soil, so that the soil condition in the ditch is improved; Artificially changing the micro-topography, the surface is undulating in the form of a ditch, which can collect rainwater, reduce dust and provide better soil environmental conditions for the growth of plants

Method used

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Embodiment Construction

[0011] The present invention will be further illustrated below in conjunction with an application example in the Fengning desertification area of ​​Hebei Province.

[0012] On the deserted gentle slopes of Xiaobazi Township, Fengning Manchu Autonomous County, Hebei Province, after the spring gale season and before the rainy season, open a southwest-northeast ditch perpendicular to the main wind northwest wind. The ditch is 20cm deep, 15cm wide, and 30m long. Sprinkle 5g / m water absorbing agent, 40g / m diammonium phosphate, 2g / m mycorrhizal fungus, and cover with 5cm thick sand to form a micro-shaped groove about 10cm deep. The autumn vegetation survey found that the vegetation coverage in the ditch was 83.8%, the average plant height was 17.83cm, and the density was 278 plants / m. 2 , The vegetation coverage of the control bare sand area is 16.3%, the average plant height is 14.39cm, and the density is 82 plants / m 2 . The development and growth of vegetation in the bare sand area us...

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Abstract

A method for planting vegetation in desert to improve it is disclosed. The ditches (20-30 cm * 15-20 cm) are dug in said desert at intervals of 30 cm in the direction perpendicular to that of wind. The water absorbent, mycorhiza and / or fertilizer are added to the ditches. The earth is used to cover them but a shallow ditch is left for collecting rain in it. It has high effect.

Description

Technical field [0001] The invention relates to a method for promoting the rapid recovery of bare sand vegetation and belongs to the technical field of desertification prevention and control and rainwater utilization. Background technique [0002] Vegetation restoration in desertified areas can improve the harsh ecological environment and increase biodiversity, thereby promoting the restoration of the ecosystem. Therefore, vegetation restoration is one of the important links in desertification environment management. However, in desertified areas, especially bare sand areas and mobile sand dunes, the soil water content, organic matter content, and nutrient content are very low, which severely restricts the recovery and growth of plants. Summary of the invention [0003] The technical problem to be solved by the present invention is to establish a technology that can effectively promote the rapid restoration of bare sand vegetation in desertified areas, and apply fertilizers and ...

Claims

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Application Information

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IPC IPC(8): A01G7/00A01G1/00
CPCY02A40/22
Inventor 冯学赞张万军
Owner INST OF GENETICS & DEVELOPMENTAL BIOLOGY CHINESE ACAD OF SCI
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