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Funnel bottom fish-scale pit soil preparation technology

A funnel bottom and fish scale pit technology, applied in land preparation methods, climate change adaptation, forestry and other directions, can solve problems such as hidden dangers of ecological safety, harsh ecological conditions, soil erosion, etc., and achieve the effect of improving the survival rate of afforestation and ensuring the growth of seedlings.

Active Publication Date: 2015-01-28
昆明市东川区林业技术推广站
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ecological conditions in the area are harsh, and soil erosion is serious, which brings great ecological security risks to the middle and lower reaches of the Yangtze River Basin, especially the Three Gorges Dam.

Method used

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  • Funnel bottom fish-scale pit soil preparation technology
  • Funnel bottom fish-scale pit soil preparation technology
  • Funnel bottom fish-scale pit soil preparation technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The research team of the present invention chose Linjiadu, Ziniu Village, Tongdu Street, Dongchuan District, a plot with typical climate characteristics of dry and hot valley regions, as the test base.

[0021] , Overview of the test site

[0022] The test site is located in Linjiadu in the Xiaojiang River Basin in the north of Dongchuan District, Kunming City, Yunnan Province. It is a dry and hot valley area with an area of ​​150 mu. °14′50″~26°14′58″, 500m away from Xiaojiang in a straight-line distance, adjacent to Longdonge Highway on the west side, and there is a pond used by farmers for irrigation beside the road. The highest altitude is 1284m, the lowest altitude is 1094m, the height difference is 190m, and the slope is 20°. The soil of the test plot is dry red soil, the pH of the soil is 6.8-7.1, and the gravel content is between 15-40%. The vegetation on the plot mainly includes mulberry, chrysanthemum, and a small amount of artificially planted eucalyptus,...

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Abstract

The invention relates to funnel bottom fish-scale pit soil preparation technology and belongs to the technical field of afforestation soil preparation. The funnel bottom fish-scale pit soil preparation technology is characterized in that semilunar pits are dug on a steep barren mountain slope from top to bottom along a contour line and arranged in the shape of a Chinese character 'pin', and a vertical side of each semilunar pit faces the upper portion of the barren mountain slope while a semilunar face of the same faces the lower portion of the barren mountain slope; one side of each semilunar is the vertical side, the side, close to the vertical side, of each semilunar is semilunar, each semilunar pit is a funnel bottom with a large upper opening and a small lower opening, is fish-scale-shaped and is called a funnel bottom fish-scale pit, soil preparation specification of each semilunar pit is width of the upper opening x longitudinal width x depth=100cmx80cmx60cm, and specific specification can be changed according to factors like seedling specification and site condition. The funnel bottom fish-scale pit soil preparation technology has certain water storing capacity, and retaining of soil, water and fertilizer can be realized when trees are planted in the pits.

Description

technical field [0001] The invention relates to a land preparation technology for fish scale pits at the bottom of a funnel, and belongs to the technical field of afforestation and land preparation. Background technique [0002] In dry and hot valleys, the vegetation is sparse, the foehn effect is significant, and the rainfall is small, but the evaporation is dozens of times the rainfall. Sandy land is an extremely difficult area for artificial afforestation in the world, and it is also a serious ecological environment fragile area. The areas below the altitude of 1600m in the Jinsha River and Xiaojiang River basins in Dongchuan District of Kunming City are typical dry and hot valleys. The ecological conditions in the area are harsh and soil erosion is serious, which brings great ecological security risks to the middle and lower reaches of the Yangtze River Basin, especially the Three Gorges Dam. Carrying out afforestation and land preparation technology tests in dry-hot v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G23/00A01B79/00
CPCA01B79/00A01G23/04Y02A40/22Y02P60/40
Inventor 贺永王昌梅李万涛朱玉梅侯正龙李光琼王运飞周正文
Owner 昆明市东川区林业技术推广站
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