膜下滴灌对不同程度盐荒地改良的研究  

The Research of Drip Irrigation under Plastic Film on Improving Salt Wasteland of Different Degrees

作　　者：王雅琴 刘洪光[2] 朱拥军 徐万里[3] 

机构地区：[1]农八师炮台土壤改良试验站,新疆石河子832066 [2]石河子大学水利建筑工程学院,现代节水灌溉兵团重点实验室,新疆石河子832000 [3]新疆农业科学院土壤肥料与农业节水研究所,乌鲁木齐830091

出　　处：《灌溉排水学报》2014年第6期101-104,共4页Journal of Irrigation and Drainage

基　　金：兵团水利局灌溉中心站重点项目;国家科技支撑计划项目(2012BAD05B03);兵团国际合作项目(2011BC001);石河子大学科学技术研究发展计划项目(gxjs2011-zdgg03-02)

摘　　要：根据石河子垦区连续5a的监测试验,研究膜下滴灌技术对盐荒地的改良。结果表明,膜下滴灌技术可有效降低盐荒地耕作层土壤含盐量,土壤含盐量随灌溉水量增大而减小;连续5a运用膜下滴灌技术后,棉花出苗率达到80%以上,籽棉产量5 250kg/hm2以上,地下水埋深平均下降1.2m,同时地下水矿化度有所增加。膜下滴灌技术在改良盐碱地的应用中效果良好。According to 5 years continuous monitoring experiments in Shihezi reclamation area, improvement of salt wasteland using drip irrigation technology was studied. The results indicated that drip irrigation under film could effectively reduce soil salinity of salt wasteland arable layer, and soil salinity decreased with the increase of irrigation amount. Cotton germination rate was above 80%, seed cotton yield was over 5 250 kg/hmz, buried depth of groundwater dropped by 1.2 m, and groundwater salinity increased under drip irrigation for 5 years. Drip irrigation under film could be applied to improve saline-alkali soil.

关 键 词：膜下滴灌 盐荒地 改良 

分 类 号：S156.4[农业科学—土壤学]