[1]魏光辉,董新光,杨鹏年,等.棉花膜下滴灌土壤盐分运移规律分析[J].水土保持研究,2009,16(06):162-166.
　WEI Guang-hui,DONG Xin-guang,YANG Peng-nian,et al.Study on Soil Salt Movement in Drip Irrigation of Cotton Under the Plastic Mulch[J].Research of Soil and Water Conservation,2009,16(06):162-166.
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棉花膜下滴灌土壤盐分运移规律分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 16 期数: 2009年06期 页码: 162-166 栏目: 出版日期: 2009-12-20
Title:
Study on Soil Salt Movement in Drip Irrigation of Cotton Under the Plastic Mulch
作者:
魏光辉1, 董新光1,2, 杨鹏年1, 杨昕馨1, 姚鹏亮1
1. 新疆农业大学 水利与土木工程学院, 乌鲁木齐 830052;
2. 新疆水利厅, 乌鲁木齐 830000
Author(s):
WEI Guang-hui1, DONG Xin-guang1,2, YANG Peng-nian1, YANG Xin-xin1, YAO Peng-liang1
1. College of Water Resources & Civil Engineering, Xinjiang Agriculture University, Urumqi 830052, China;
2. Bureau of Xinjiang Water Resources, Urumqi 830000, China
关键词:
膜下滴灌; 盐分运移; 棉田
Keywords:
drip irrigation under the plastic mulch; soil salt movement; cotton field
分类号:
S156.41
摘要:
为探讨棉花滴灌方式下土壤水盐运移规律，在棉花不同生育期运用烘干法和电导法，从水平方向和垂直方向测定距离滴灌带不同距离的土壤含水量和土壤盐分，结果表明：膜下滴灌条件下棉花整个生育期土壤盐分含量的运移规律为：一水前土壤中的含盐量以垂直方向0-10 cm土层内最大，随生育期的推后各土层含盐量都有不同程度的增加，土壤产生积盐现象。滴头处各土层含盐量相对较低，主要因为滴头下水分不断下滴下渗，使该处各层土壤中的盐分亦随水移动而被淋洗到浸润体外缘，从而使主要根系层的土壤形成了一个低盐区。
Abstract:
To explore the law of water and salt movement in drip irrigation of cotton field, soil moisture and salt are studied from the horizontal and vertical directions in different stages of cotton using drying and soil conductivity. The results showed that the soil salt in 0-10 cm was the highest before first irrigation throughout the growing period of cotton. With the post-reproductive period, each soil layer salt quantity have the increase of different level and resulted to the soil salt accumulation. Drip emitter contain salt quantity is relative lower mainly due to constant water drip and infiltration, which resulted to form a low-salt zone in the main root system layer.

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备注/Memo

收稿日期:2009-6-20;改回日期:。
基金项目:国家863计划（2006AA100218）；国家科技支撑计划（2007BAD38B01）；新疆自治区重大科技专项（20073117-1）；新疆水利水电工程重点学科基金（XJZDXK2002-10-05）
作者简介:魏光辉（1981- ）男，新疆石河子人，硕士研究生，主要从事干旱区水资源利用与环境保护研究。E-mail：wgh12358@163.com
通讯作者:董新光（1957- ）男，山东文登人，教授，博士生导师，主要从事干旱区水资

更新日期/Last Update: 1900-01-01