节点文献
膜下滴灌棉田土壤水盐运移规律研究
Water and Salt Transport of Cotton Field under Film Drip Irrigation
【摘要】 基于田间试验,分析了不同滴灌年限下棉田土壤水盐变化。结果表明,土壤水分与盐分负相关,滴灌对土壤盐分有淋洗作用,且随着滴灌年限的延长,对土壤盐分淋洗作用减弱。滴灌1a对土壤盐分淋洗作用明显,尤其是对上层土壤(0~40cm)盐分的淋洗作用更明显。
【Abstract】 Field experiments were conducted to analyze the changes of soil water content and soil salt content of cotton field in different drip irrigation times.The results showed that the soil salt content and soil water content had a negative correlation,and drip irrigation could leak salt.With the extension of drip irrigation time,the effect of drip irrigation on leaking salt was reduced.Drip irrigation for 1year had a significant effect on the leaking of soil salt,especially in 0~40cm soil.
【关键词】 膜下滴灌；
棉田；
盐分；
水分；
动态；
【Key words】 drip irrigation under film； cotton field； salt； water； transport；
【Key words】 drip irrigation under film； cotton field； salt； water； transport；
【基金】 国家973项目(2009BC825101);石河子大学重点项目(ZRKX2009D02-1)
- 【文献出处】 灌溉排水学报 ,Journal of Irrigation and Drainage , 编辑部邮箱 ,2014年02期
- 【分类号】S562
- 【被引频次】12
- 【下载频次】236