A method for improving the drought resistance of artificially cultivated moss crusts

An artificial cultivation and crusting technology, applied in the field of environmental engineering, can solve problems such as poor survivability, weak resistance to stress, and inability to adapt, and achieves the effect of short time-consuming, low cost, and good promotion.

Active Publication Date: 2018-11-13
NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS
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Problems solved by technology

[0003] Aiming at the fact that the existing artificially cultivated moss crusts have weak stress resistance and poor survival ability in harsh wild habitats, and cannot adapt to the reality of the huge change from the superior laboratory conditions to the wild stress habitats, to solve the problem of water stress is drought The most important problem that moss plants generally face in semi-arid areas is the handle. The purpose of the present invention is to provide a method for artificially cultivating moss crust drought resistance

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  • A method for improving the drought resistance of artificially cultivated moss crusts
  • A method for improving the drought resistance of artificially cultivated moss crusts
  • A method for improving the drought resistance of artificially cultivated moss crusts

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[0024] Below, the present invention further explains the technical solution in conjunction with specific embodiments:

[0025] A method for improving the field drought-resistant ability of artificially cultivating moss crusts in sandy areas, selecting well-developed mosses ( Bryum argenteum Hedw.), carry out the cycle drought exercise of water control-drought-rehydration-recovery, that is, firstly supply sufficient water (100% saturation) to the artificially cultivated moss plants, and then apply 60% saturation water after the surface of the crust dries. The amount of water in the water will restore the normal growth of the crust. After the surface of the crust dries, apply water again. The water supply is 20% of the saturated water. After the surface of the crust dries again, it is a cycle. During the drought resistance exercise, the culture conditions were fixed at 25 / 17°C (day / night), 60%, 400 ppm, and 12 h for temperature, air humidity, carbon dioxide concentration, and p...

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Abstract

The invention relates to a method for improving wild anti-drought ability of artificially-cultured moss crust in a desert area. The method comprises the following steps: under laboratory conditions, selecting well-developed artificially-cultured moss plant (Bryum argenteum Hedw.), and performing circulating drought exercising by water control, drought, rewatering and recovery, so as to improve the concentration of a permeation adjusting matter of the artificially-cultured moss plant, improve the anti-drought ability, and provide technical support for quickly improving the ecological environment by the artificially-cultured crust in a large-area way in drought and semi-drought areas. The method has the advantages that the operation is simple, the cost is low, the time consumption is short, and the method can be better popularized in production application.

Description

technical field [0001] The invention belongs to the technical field of environmental engineering, in particular to a method for artificially cultivating the drought resistance ability of moss crusts. Background technique [0002] In arid and semi-arid regions, biological crusts play an important role in resisting wind erosion, water erosion and enhancing soil fertility. Moss crust is the most advanced stage in the development of biological crust, and its ability to fix sand and increase soil stability and fertility is the strongest among various crusts. In recent years, with people's attention to the ecological environment in arid and semi-arid areas, the artificial cultivation of moss crusts and its application in soil desertification prevention and control and soil improvement have attracted much attention. At present, due to the limitation of water conditions in arid and semi-arid areas, although moss crusts have strong drought resistance in the wild environment, their d...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01B79/02
CPCA01B79/02
Inventor 贾荣亮李新荣滕嘉玲赵洋
Owner NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS
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