Treatment method for slight stony desertification in karst mountainous area

A rocky desertification, mild technology, applied in the direction of soil preparation methods, botanical equipment and methods, climate change adaptation, etc.

Inactive Publication Date: 2014-07-23
GUIZHOU NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0006] In the prior art, there is no comprehensive control method specifically aimed at mild rocky desertification in karst mountainous areas, and the present invention is the rocky desertification control method for this kind of area

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0021] Township A in the Shiqiao River Basin in Bijie, Guizhou belongs to a typical mild rocky desertification area in karst mountainous areas. The applicant conducted a pilot project of rocky desertification control in this area, and adopted the following control methods:

[0022] ——On the same land unit, carry out space allocation and structure matching, adopt the combination of "fruit forest + crop (medicine)" planting, use crop variety improvement technology, crop stable and high yield technology, fruit tree cultivation technology, fruit tree later-stage tending management technology, forest Establish a forest-grain compound ecological type through standardized planting techniques for grain.

[0023] ——Shrub land and unused land are mainly planted with water conservation forests, and tree species such as privet, cypress, and black locust are selected for on-demand planting, and ryegrass is planted on idle land. In other woodlands, walnuts, winter peaches, and ryegrass are ...

Embodiment 2

[0029] In area B adjacent to Township A in the Shiqiao River Basin in Bijie, Guizhou, the applicant began to carry out a pilot control project in 2010. Using the same method, after 3 years of control, the vegetation coverage increased by 3.4 percentage points, and the rocky desertification The trend has been effectively curbed, the per capita income level has increased by 14%, and the economy and society have been further developed.

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Abstract

The invention relates to a treatment method for slight stony desertification in a karst mountainous area. The method includes the steps that a planting combination of economic fruit tree forest and crops is adopted for the same cultivated land unit, shrubland and unutilized land are mainly used for planting forests for conserving water supply, and a forest-glass composite ecological type is set up; vegetation structures are allocated in an optimized mode, through a land terracing technology, stone ridge slopes are repaired, built and changed into terracing, field production shortcut construction is matched, and through the matched construction of a rainwater collecting plateau, a catchwater, a desilting basin, a water conveying pipeline, a small cistern and a small pond, a slope rainwater collecting system is set up; an underground river is developed, an underground river irrigation pumping station is constructed, so that water resources are reasonably deployed, a soil moisture conservation technology and a water-saving irrigation technology are adopted, and a scientific and reasonable irrigation mode is set up. Through the treatment method, the slight stony desertification in the karst mountainous area is effectively treated, water and soil loss is reduced, the stony desertification trend is restrained, and the social economy and ecological construction develop harmoniously.

Description

technical field [0001] The invention relates to a treatment method for mild rocky desertification in karst mountainous areas. Background technique [0002] The distribution area of ​​exposed and semi-exposed karst areas in China is more than 1.3 million square kilometers, accounting for 13.54% of the total land area. The 550,000 square kilometers of karst in southern China centered on the Guizhou Plateau is the largest and most intensely developed area of ​​tropical and subtropical karst in China and the world. Karst environmental and ecological problems are very typical and representative in the country and the world sex. The special environment and ecology have produced various effects on natural conditions, human survival and economic and social development: on the one hand, the evolution of geological history driven by dissolution, erosion and collapse has formed colorful tropical and subtropical karst landscapes, Occupying a prominent position in the world karst, it i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01B79/02
CPCY02A40/22Y02P60/20
Inventor 熊康宁陈永毕魏鹏陈浒韦清章
Owner GUIZHOU NORMAL UNIVERSITY
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