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Dynamic Water and Salt Changes in Saline Wasteland on the Lower Edge of Plain Reservoirs in the Desert Oasis Region

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  • SUN,Haiyan

Abstract

In order to reveal the distribution characteristics of water and salt in the non-irrigated saline wasteland and the growth zone of the windbreaks surrounding the plain reservoir, the groundwater and soil monitoring points were set up around the south area of Duolang Reservoir in the desert oasis. Monthly groundwater depth monitoring and soil water content and salt content fixed-point sampling for a period of 2 years were conducted. The results showed that the groundwater depth of salt wasteland in the area around the reservoir area changed slightly during the monitoring period of 2 years, and the average is 1.28 m. The soil moisture content increased with the increase of soil depth, and soil water content of 60—100 cm was larger than that of other soil layers. The salt content of the soil in the salt wasteland varied between 0.48 g/kg and 8.86 g/kg in the two years, and the total salt content of different soil decreased with the increase of soil depth. The soil salt content changed greatly in 0—40 cm soil layers, with significant salt accumulation phenomenon. The soil salt content of windbreaks was significantly lower than that of the natural ecological forest.

Suggested Citation

  • SUN,Haiyan, 2018. "Dynamic Water and Salt Changes in Saline Wasteland on the Lower Edge of Plain Reservoirs in the Desert Oasis Region," Asian Agricultural Research, USA-China Science and Culture Media Corporation, vol. 10(01), January.
    • Handle: RePEc:ags:asagre:271660
    DOI: 10.22004/ag.econ.271660
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