Drought resisting and forest planting method for karst region difficult site

A difficult site, karst technology, applied in afforestation, forestry, climate change adaptation, etc., can solve the problems of rocky desertification control effect reduction, difficulty in vegetation restoration, lack of sustainability, etc., achieve low cost, speed up restoration and reconstruction , The method is simple and easy to implement

Inactive Publication Date: 2014-02-19
GUIZHOU NORMAL UNIVERSITY
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AI Technical Summary

Problems solved by technology

However, the abnormal water-scarce surface environment in the karst area and the frequent occurrence of extreme drought in the southwest have seriously affected the afforestation in this area, resulting in a greatly reduced effect of rocky desertification control and a lack of sustainability.
For severe rocky desertification ar

Method used

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Embodiment Construction

[0008] This specific embodiment includes the following steps: (1) selection of tree planting points: select recesses as tree planting points according to the topography, use natural exposed rocks as rain collecting surfaces to collect rainfall, and increase soil moisture supply; (2) site preparation specifications and methods: adopt Hole-shaped soil preparation, tree hole size 40cm×40cm×40cm, spread a layer of degradable plastic film on the lower layer of the pit, and sprinkle a layer of litter and organic fertilizer on the film to reduce underground leakage of water and improve water retention capacity; (3) Build a water collection funnel: When planting seedlings and covering the soil, first build a funnel-shaped slope centered on the seedlings with a high perimeter and a low middle on the ground under the tree, then cover the slope with a plastic film, cover the film with soil to form a plastic The film is a water-collecting funnel structure of water-collecting materials. The...

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Abstract

The invention discloses a drought resisting and forest planting method for a karst region difficult site and relates to the technical field of drought resisting and forest planting. The drought resisting and forest planting method includes the following steps that (1), places for planting trees are selected; (2), the specification and method of soil preparation are performed; (3), a water collection hopper is constructed; (4), rooting water: after nursery stocks are planted, the rooting water is watered sufficiently; (5), forest planting tree species and the age of the nursery stocks: the forest planting tree species comprise cipressus duclouxiana, weeping cypresses, privet, black locusts, nuts, roxburgh rose, peppers, amur honeysuckle and others, and the age of the nursery stocks is one year. The method is simple, easy to operate, low in cost and free of soil pollution and rapidly brought into effect, and has very important and profound significance for accelerating vegetation recovery and vegetation reconstruction in a karst stony desertification environment and for improving the ecological environment. The method is easy and practical to operate, low in cost and high in pertinence, not only does not damage the environment, but also does not affect normal growth of the trees, and is particularly suitable for being popularized and used for forest planting in the difficult site region of the karst stony desertification environment.

Description

Technical field: [0001] The invention relates to a drought-resistant afforestation method on a difficult site in a karst area, and belongs to the technical field of drought-resistant afforestation. Background technique: [0002] Southwest my country's karst region is located in the center of East Asia, one of the world's three largest contiguous karst development regions, with an area of ​​about 540,000 km 2 . At present, more than 100 million people and 48 ethnic minorities live in it. The poor population is relatively concentrated, and the contradiction between people and land is very prominent. Once the slope vegetation is destroyed, the soil erosion will intensify, resulting in the loss of all thin soil layers, resulting in serious rocky desertification. Nutrient regulation and storage capacity decreased rapidly. Rocky desertification has become a major ecological problem that restricts regional economic and social development in Southwest my country's karst region, an...

Claims

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Application Information

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IPC IPC(8): A01G23/00
CPCY02A40/22Y02P60/40
Inventor 盛茂银熊康宁王霖娇程媛媛
Owner GUIZHOU NORMAL UNIVERSITY
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