盐角草对滴灌条件下积盐范围内盐分的影响  

Effects of Salt Angle Grass on Soil Salinity Under the Condition of Drip Irrigation within Salt Scope

作　　者：穆哈西[1] 

机构地区：[1]新疆农业大学水利与土木工程学院,新疆乌鲁木齐830052

出　　处：《安徽农业科学》2011年第34期21016-21017,共2页Journal of Anhui Agricultural Sciences

基　　金：国家科技支撑计划项目(2007BAD38B02;2007BAD38B09);新疆维吾尔自治区重大专项(200731136-5);新疆科技支疆项目(200991237);新疆水利水电工程重点学科基金资助项目(XJZDXK-2002-10-05)

摘　　要：[目的]确定湿润峰、积盐范围及盐角草吸盐能力,控制积盐范围内盐分。[方法]以pH 7.9的水作为灌溉水源,在不同土壤初始含水率、土壤容重及滴头流量的条件下研究土壤湿润体的变化过程。[结果]盐角草吸走部分Na+、Cl-抑制盐分,积盐范围内土深20cm处的总含盐量降低了0.12 g/kg。[结论]该研究可以为有效地控制滴灌条件下湿润锋边缘积累盐分提供依据。[Objective] The wet peak,deposited salt range and salt absorption ability of salt angle grass were determined,and absorption deposited salt was controlled within the scope.[Method] Taking pH 7.9 water as irrigation water,the change process of moist soil body was studied under the condition of different initial moisture content,soil bulk density and flow rate.[Result] salt angle grass aborbed part of Na＋ and Cl-to inhibit the salinity.The total salt content within the soilt depth of 20 cm dropped 0.12 g/kg.[Conclusion] The research could provide the basis for the control of soil salinity of the fringe of the wetting front under the condition of drip irrigation.

关 键 词：滴灌 土壤盐分 盐角草 

分 类 号：S275.5[农业科学—农业水土工程]