EFFECT OF PERMEABLE BOUNDARY OF WATER-CONDUCTING DEVICE ON WATER AND SALT TRANSPORT UNDER INDIRECT SUBSURFACE DRIP IRRIGATION

被引：0
|
作者：
An, QiaoXia [1 ]
Sun, SanMin [1 ,2 ]
Xu, Rong [1 ]
Zhao, JingHao [1 ]
Gu, KaiKai [1 ]
Cai, Hong [1 ]
Ma, JingYang [1 ]
机构：
[1] Tarim Univ, Coll Water Conservancy & Architecture Engn, Alar, Peoples R China
[2] China Agr Univ, Coll Water Resources & Civil Engn, Beijing, Peoples R China
来源：
INMATEH-AGRICULTURAL ENGINEERING | 2016年 / 49卷 / 02期
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Indirect subsurface drip irrigation is an effective means for water-conservation irrigation. The diameter of water-conducting device and height of permeable boundary are two important design parameters for such irrigation. In this study, there were analyzed the effects of water-conducting device diameter and permeable stratum height on the characteristics of wetting front and water-salt distribution through a laboratory test. Results demonstrated that the two parameters have influenced the size and shape of the wetting, and they effected on water and salt transport in the wetting front. The suitable diameter of water-conducting device, height of permeable layer would be chosen to regulate of tree root growth, and to reduce effects of soil salinity on tree.
引用
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页码：31 / 36
页数：6
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