摘要
以新疆石河子棉区为例,在相同灌溉定额条件下,对不同灌水频率的棉花膜下滴灌土壤水盐运移的规律进行了研究。结果分析表明,在相同灌溉定额情况下,采用高频灌溉可以明显提高土壤含水率,对于灌溉定额为5 250 m3/hm2的处理,其洗盐的效果比3 300 m3/hm2和3 900 m3/hm2的效果明显要好,可有效抑制土壤返盐。
Taking cotton region of Shihhotze in Xinjiang as an example,this article studies on transportation law of water and salt in soil on condition of the same amount of irrigated water as well as different irrigation frenquencies. Through analysing and studing, the result shows that high frequency irrigation remarkably increases water ratio in soil under the same irrigation quota condition. The effects of leaching salt of Irrigation quota of 5 250 m^3/hm^2 are better than that of both of 3 300 m^3/hm^2 and of 3 900 m^3/hm^2 , which can effectively control uprise of salt in soil.
出处
《新疆农业大学学报》
CAS
北大核心
2009年第4期50-54,共5页
Journal of Xinjiang Agricultural University
基金
国家自然科学基金项目(50669007)
国家科技支撑项目(2007BAD38B01)
新疆自治区科技攻关重大专项(200731137-1)
新疆自治区自然科学基金(200821172)
新疆水利水电工程重点学科资助
关键词
棉花
膜下滴灌
灌水频率
水盐运移
cotton
drip irrigation under plastic mulch
irrigation frequency
water-salt transport in soil
作者简介
通讯作者：虎胆·吐马尔白，E-mail：hudant@hotmail．com
