Method for rapidly increasing survival rate of artificially-restored poplar in arid desert area

A technology of Populus euphratica and desert, applied in the field of improving the survival rate of artificially restored vegetation in arid desert areas, can solve the problems of hard-to-survive colonization, etc., and achieve the effects of improving survival rate, low economic cost, and avoiding reverse succession
CN102172191AInactive Publication Date: 2011-09-07XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
Publication Date
2011-09-07
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a method for rapidly increasing the survival rate of an artificially-restored poplar in an arid desert area. In the method, by means of soil suction, transpiration pulls and capillary actions of plants and the hydrotropism (a feedback mechanism of root system water induction) of the root system development of the poplar, the water evaporation waste is furthest reduced, vertical downward and horizontal development rates of a poplar root system are accelerated and the water and environment resource obtaining capacity of the artificially-restored poplar is also improved, therefore, the purpose of promoting the rapid survival of the artificially-restored poplar seedling in the arid desert area is achieved; therefore, the survival rate of the artificially-restored poplar is increased in the arid desert area with precipitation amount of less than 100 mm, evaporation capacity of more than 2000 mm and larger groundwater depth of 3-4 m, and adverse succession after artificial auxiliary measures are cancelled is avoided.
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Description

technical field

[0001] The invention relates to a technique for improving the survival rate of artificially restored vegetation in arid desert areas, in particular to a rapid method for increasing the survival rate of artificially restored Populus euphratica in arid desert areas. Background technique

[0002] Populus euphratica is an ancient tree species. It has important scientific value for the study of climate change, river change, flora evolution and ancient economic and cultural development in Asian and African desert areas. Populus euphratica mainly relies on diving or river flooding to sustain life. Populus euphratica seeds that fall naturally, under suitable conditions, can germinate in 3 days and grow into seedlings. In an environment with good water and soil conditions, they can form a century-old tree; It is easy to lose the opportunity to grow and develop. The Populus euphratica forest area in the Tarim River Basin is 298,000 hm2, accounting for 60% to 80% of t...

Claims

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