Method for improving survival rate of young trees in the desert

A technology of survival rate and sapling, applied in the fields of soil and water conservation and desertification control, can solve the problems of severe development situation, fast expansion, long construction time, etc. Effect

Inactive Publication Date: 2013-02-27
XIAN UNIV OF SCI & TECH +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Second, the expansion speed is fast and the development situation is severe
[0008] The main disadvantage of the above method is that it requires more manpower and longer construction time, and the cost is higher and the effect is not good

Method used

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  • Method for improving survival rate of young trees in the desert

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Embodiment Construction

[0023] The present invention will be described in detail below in conjunction with specific embodiments.

[0024] (1) Biological guard 1 (see figure 1 ) is made of twigs or straw (the weaving method is not limited), with a diameter of 20-40 cm and a disc shape of 2-4 cm in thickness.

[0025] (2) The biological protection plate has a circular hole 2 with a diameter of 2-4 cm in the center of the circle to enclose the tree seedlings, and has a gap 3 connected to the outside to facilitate the insertion of tree stems.

[0026] (3) Preparation of soaking mud slurry: mix cohesive soil (the volume percentage of <0.02mm particles in the soil mechanical composition is 45-65%) or heavy clay soil (the volume percentage of <0.02mm particles in the soil mechanical composition is 65-65%) 100%) (such as loess) crushed through a 5mm sieve, added to clean water and stirred evenly, the solid-to-liquid ratio is 1:2 (g / ml); then add 10-30g of commercially available water-retaining agent for eve...

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Abstract

The invention discloses a method for improving the survival rate of young trees in the desert. The method comprises the following steps: preparing a soaking mud liquid, that is, the cohesive soil or heavy clay is crushed and sieved (5 mm), the crushed and sieved cohesive soil or heavy clay is added in clean water to be evenly stirred, and the solid-to-liquid ratio is 1:2; a water-retaining agent of 10-30 g is added in every 1000 ml of solution for sufficient stirring, and according to the use area, the lower limit 10 g is taken when the annual mean precipitation is 400 mm above, the upper limit 30 g is taken when the annual mean precipitation is 200 mm below, and the medium value is taken when the annual mean precipitation is 200-400 mm; a woven biological protective disc is soaked in the mud liquid for 24 hours, and dried in the shade for 48 hours; after the tree seedlings are planted, the sand soil around the roots of the tree seedlings is dug for 2-4 cm to take the biological protective disc out, the stems of the tree seedlings are sleeved from notches, and the quick evaporation of soil moisture due to the sustained wind can be effectively inhibited; and meanwhile, the soil temperature of the root layer is increased.

Description

technical field [0001] The invention belongs to the field of water and soil conservation and desertification prevention and control, and specifically relates to a method for improving the survival rate of desert saplings, which can prevent wind and maintain soil moisture around the roots of saplings, and significantly improve the survival rate of desert tree planting. Background technique [0002] Desertification is a major environmental and social problem faced by mankind in the world today. It is a cancer of the earth, and its harm to our country is also very alarming. [0003] 43% of the earth's surface is distributed in arid regions, and more than 110 countries suffer from desertification, which causes a huge loss of 42 billion U.S. dollars every year in the world. my country is one of the countries most seriously endangered by desertification in the world. One is the large area and wide distribution. According to the results of the second monitoring of desertified lan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00
CPCY02A40/22
Inventor 赵晓光吴琼孟昭福
Owner XIAN UNIV OF SCI & TECH
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