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Method for preventing microbiotic crusts from cutting off rainfall infiltration in arid desert areas

A micro-biological and desert technology, applied in the direction of soil preparation methods, botany equipment and methods, chemicals for biological control, etc., can solve the problems of not effectively increasing the water content of the sand under the biological soil, so as to prolong the retention time, Ensure vertical infiltration and promote the effect of vertical penetration depth

Active Publication Date: 2020-08-25
INNER MONGOLIA AGRICULTURAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So far, there is no effective method to increase the water content of the sandy soil under the bio-soil

Method used

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  • Method for preventing microbiotic crusts from cutting off rainfall infiltration in arid desert areas
  • Method for preventing microbiotic crusts from cutting off rainfall infiltration in arid desert areas

Examples

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Embodiment 1

[0033] In this embodiment, the method of preventing the infiltration of precipitation by interception of micro-biological crusts in the arid desert area selects a natural complete dune with a crust thickness of 1.0-1.5cm for the test. Before the test, the soil water content of the dunes is measured here, which specifically includes the following steps. :

[0034] (1) Collect the pruned branches, and cut off the side branches to obtain the stick 100, and dry the stick 100.

[0035] (2) One end of the stick 100 is subjected to a hydrophilic diversion treatment, and the other end is subjected to a hydrophobic sterilization treatment to obtain a stick 100 having both a hydrophilic diversion end 1 and a hydrophobic sterilization end 2; at first, the hydrophobic sterilization treatment is carried out, and then Carry out hydrophilic diversion treatment, the specific treatment method is as follows:

[0036] (2-1) Preparation of hydrophobic sterilizing treatment solution: add azoxystr...

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Abstract

The invention discloses a method for preventing microbiotic crusts from cutting off rainfall infiltration in arid desert areas. The method comprises the following steps of (1) collecting trimmed treebranches, cutting side branches to obtain tree sticks, and drying the tree sticks in the sun; (2) performing hydrophilic diversion treatment on one ends of the tree sticks, and performing hydrophobicsterilization treatment on the other end of the tree sticks to obtain the tree sticks with hydrophilic diversion ends and hydrophobic sterilization ends; and (3) downwards inserting the hydrophilic diversion ends of the tree sticks into the stratum, and enabling the length of the hydrophobic sterilization ends exposed out of the ground to be at least 5 cm. According to the method, the water content of the sandy soil layer below the biological soil crusts can be effectively increased under the condition of not damaging the biological soil crusts in a large area.

Description

technical field [0001] The invention relates to the technical field of desert control. Specifically, it is a method for preventing infiltration of precipitation intercepted by micro-biological crusts in arid desert areas. Background technique [0002] Microbiological crusts are tiny drought-tolerant plants such as lichens, algae, and mosses that form a thick carpet-like shell on the sandy soil surface. The particles are tangled into agglomerates, which play a role in immobilizing the dust. [0003] However, with the deepening of research, it was found that although micro-biological crusts can play a role in sand fixation, it was also found that in areas with large areas of crusts, shrubs and other plants will gradually die, making it difficult for shrubs and other plants to grow. Survival in the crust area. The reason is that the micro-biological crust has a compact structure. After being saturated by precipitation, the precipitation will flow along the surface of the cru...

Claims

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Application Information

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IPC IPC(8): A01B79/02A01N43/54A01N33/12A01P1/00
CPCA01B79/02A01N43/54A01N33/12
Inventor 麻云霞李钢铁郭欣宇沈新然
Owner INNER MONGOLIA AGRICULTURAL UNIVERSITY
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