不同灌溉制度对矮化密植红枣土壤水盐分布的影响研究  

Transportation Law of Soil Water and Salt under Different Irrigation Frequencies and Quota for Dwarf Close Planting Red Jujube

作　　者：叶含春[1,2] 姚宝林[2] 王兴鹏[2] 孙三民[2] 

机构地区：[1]中国地质大学(武汉)环境学院,武汉430074 [2]塔里木大学水利与建筑工程学院,新疆阿拉尔843300

出　　处：《灌溉排水学报》2012年第5期118-122,共5页Journal of Irrigation and Drainage

基　　金：塔里木大学创新群体项目(TDZKCX09001);兵团科技支疆计划项目(2009ZJ03);水利部公益性行业项目(201101050)

摘　　要：为探究裸地滴灌不同灌溉制度对矮化密植红枣根区土壤水盐分布和红枣产量的影响,对灌溉定额为196、224和252mm,灌水次数8次和14次、共6种组合的矮化密植红枣进行滴灌试验,研究表明,低频灌溉可明显提高土壤含水率,相同灌溉定额条件下,低频灌溉较高频灌溉更有利于土壤水分的保持;高频灌溉控盐效果优于低频灌溉;随灌溉定额的增加低频灌溉较高频灌溉产量增加明显,而高频灌溉产量降低幅度比低频灌溉快;在合理灌溉定额下,采用高频灌溉较低频灌溉更能获得较高的产量。To explore the effection of root zone soil water and salt with differents irrigation frequency and quota under ground drip irrigation for dwarf close planting red jujube,irrigation quota for 196 mm,224 mm and 252 mm,irrigation times,8 times and 14 times,combinations 6 patterns.The results showed that：low frequency irrigation can significantly increase the soil moisture content,low frequency irrigation retention maintained more soil moisture than higher frequency irrigation under the same irrigation quota;high frequency irrigation control salt was better than low frequency irrigation;with the irrigation quota increase low frequency irrigation increased production significantly,but high frequency irrigation decreased production faster than low frequency irrigation;reasonable quota of high frequency irrigation can obtain higher yield than low frequency irrigation.

关 键 词：红枣 灌水频率 水盐运移 

分 类 号：S274.2[农业科学—农业水土工程] S665.1[农业科学—农业工程]