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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

Inactive Publication Date: 2011-09-07
XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the arid and extremely arid areas of Xinjiang, the buried depth of groundwater is mostly below 3 meters, and the capillary force of groundwater can affect the soil layer at most 2 meters above the groundwater level. In the absence of natural precipitation, it is difficult to achieve survival and colonization in a short period of time

Method used

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Populus euphratica seedlings are planted on the mobile sand without covering on the surface. The seedling spacing is 5 meters. crack;

[0023] Near the edge of Populus euphratica root 30cm and 80cm (the specific distance can be based on the length of the root system of seedlings), drill four pits with a depth of 150 cm in the east and west directions respectively, and install the root system infiltration and irrigation devices for Populus euphratica respectively to irrigate the roots of Populus euphratica The devices are respectively buried in the pits, the top of the device is flush with the ground, and the root irrigation water hose is left on the ground surface. The device is composed of a root irrigation water hose, PVC pipe, water-absorbing soft material and multi-functional holes. The bottom of the PVC pipe 2 is sealed, and the root system is fixed on the top cover of the PVC pipe 2. The water injection hose 1 is fixed. On the surface of the PVC pipe 2, there are ...

Embodiment 2

[0027] Populus euphratica seedlings are planted on the mobile sand without covering on the surface. The seedling spacing is 8 meters. crack;

[0028]Near the edge of the Populus euphratica root 35cm and 100cm (the specific distance can be based on the length of the root system of the seedlings), drill four 150cm deep pits in the east and west directions with an earth drill, and install the root system infiltration irrigation device for the Populus euphratica respectively to irrigate the roots of the Populus euphratica The devices are respectively buried in the pits, the top of the device is flush with the ground, and the root irrigation water hose is left on the ground surface. The device is composed of a root irrigation water hose, PVC pipe, water-absorbing soft material and multi-functional holes. The bottom of the PVC pipe 2 is sealed, and the root system is fixed on the top cover of the PVC pipe 2. The water injection hose 1 is fixed. On the surface of the PVC pipe 2, ther...

Embodiment 3

[0032] Populus euphratica seedlings are planted on the mobile sand without covering on the surface. The seedling spacing is 10 meters. crack;

[0033] Near the 40cm and 120cm of the root edge of Populus euphratica (the specific distance can be based on the length of the root system of the seedling), drill four 150cm deep pits in the east and west directions with an earth drill, and install the root system infiltration irrigation device for Populus euphratica respectively, and infiltrate the root system of Populus euphratica The devices are respectively buried in the pits, the top of the device is flush with the ground, and the root irrigation water hose is left on the ground surface. The device is composed of a root irrigation water hose, PVC pipe, water-absorbing soft material and multi-functional holes. The bottom of the PVC pipe 2 is sealed, and the root system is fixed on the top cover of the PVC pipe 2. The water injection hose 1 is fixed. On the surface of the PVC pipe 2...

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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.

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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Application Information

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IPC IPC(8): A01G23/00A01G29/00
Inventor 黄湘陈亚宁李卫红马建新
Owner XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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