Water-saving irrigation method for establishment of oleaster shelter forest in arid area

A technology for protection forests and arid areas, applied in botany equipment and methods, forestry, watering devices, etc., can solve problems such as changes in irrigation measures

Inactive Publication Date: 2011-07-27
XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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Problems solved by technology

Many technical problems that cause irrigation measures to change along with the growth of shelterbelt years have not been solved. The present inventio...

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  • Water-saving irrigation method for establishment of oleaster shelter forest in arid area

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Embodiment Construction

[0010] Method of the present invention has carried out the water-saving irrigation of 1-3 year Elaeagnus jujuba shelterbelt construction in arid area in the 35 regiments of Xinjiang Agricultural Second Division:

[0011] Selection of forest location: In the spring of 2008, the newly reclaimed oasis (the cotton field was reclaimed here in 2007) was planted on the edge of the oasis in the spring of 2008, and planted with Elaeagnus euphratica and Populus euphratica. m, with an area of ​​45,000 square meters, of which two plots were selected for artificial control of irrigation conditions;

[0012] a. Laying of drip irrigation facilities: each drip head of the drip irrigation belt corresponds to a palm tree, and the water pressure is controlled by a water pump;

[0013] b. Irrigation in the first year: the 1-year Elaeagnus jujuba shelterbelt planted in the arid area is set with an irrigation volume of 20 liters / plant / time, a dripper flow rate of 6 liters / hour, a drip irrigation ti...

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Abstract

The invention relates to a water-saving irrigation method for the establishment of an oleaster shelter forest in an arid area, which is a result of many experiments according to the growth characteristics of root systems of oleasters in combination with the actual condition that southern Xinjiang is dry, has little rain, and is heavily salinized popularly. The method mainly achieves the purposes of saving water, suppressing salt, and improving the phytomass of wild plants in a forest land in the planting of the oleaster shelter forest through the trail of reducing the flow of water droppers, and prolonging the irrigation time performed as the age limit of the drop irrigation forest increases. When the method is adopted, on one hand, water is saved; on the other hand, the water quantity is moderately reduced so as to promote the forest to root in the underground water direction in the third year, and the method makes preparations for little irrigation and free irrigation in the later few years.

Description

technical field [0001] The invention belongs to the water-saving irrigation technology in the construction of shelterbelts, is a water-saving irrigation method aimed at the construction of 1-3 year sandy jujube shelterbelts in arid areas, and is a forestry water-saving measure for the construction of large-scale shelterbelts in oases in arid areas. Background technique [0002] Arid regions are characterized by scarce precipitation and strong evaporation, and water resources are the main factors restricting vegetation growth. Oasis shelterbelts play a significant role in ensuring the stability of oasis microclimate and reducing natural disasters. The construction of large-scale shelterbelts in oasis is faced with several major constraints: first, the biggest constraint factor for vegetation growth in arid areas is water, and the shortage of water resources seriously restricts the construction of large-scale shelterbelts in arid areas; second, the special climatic conditions ...

Claims

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Application Information

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IPC IPC(8): A01G23/00A01G25/00
CPCY02A40/22
Inventor 赵新风徐海量叶茂张鹏王炜刘新华
Owner XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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