水土保持学报2017，Vol.31Issue(6)：85-89,188,6.DOI:10.13870/j.cnki.stbcxb.2017.06.014
植物篱措施对紫色土坡耕地产流产沙及微地形的影响
Effects of Hedgerows on Runoff and Sediment Yield and Microtopography on Purple Soil Sloping Farmland
摘要
Abstract
Based on the data of individual rainfall,runoff and sediment yield of hedgerows sloping farmland from 2012 to 2016 in Suining Soil and Water Conservation Experimental Station,the effect of hedgerows on runoff and sediment yield and microtopography of sloping farmland was analyzed.The results showed that the total runoff depths of the hedgerows were 80％ to 84％ of the control plots.Meanwhile,the total sediment yields of the hedgerows were 34％ to 44％ of the control plots.Hedgerow's effects on sediment yield were better than that on runoff.The runoff depths and sediment yield of the control plots (plot Ⅱ and plot Ⅴ) were significantly correlated with the average rainfall intensity and rainfall (P ＜0.01).In the hedgerows plots (plot Ⅰ,plot Ⅲ and plot Ⅳ),the runoff depths and sediment yield were positively correlated with the average rainfall intensity and rainfall.Especially,there were highly significant correlations between runoff depths and rainfall.For three rainfall patterns,there were no significant differences in the runoff depths and sediment yield among different plots.The hedgerows effect on runoff and sediment reduction of rainfall A (short duration,heavy rainfall) was better than that of rainfall B (moderate duration,moderate rainfall) and rainfall C (long duration,light rainfall).After planting the hedgerows,there was sediment accumulation zone near hedgerow lines.The average slope of plot Ⅰ,plot Ⅲ and plot Ⅳ turned to 11.97°,7.73°,and 7.89° from 15°,10°,and 10°,respectively.Finally,hedgerows made sloping farmland benching.关键词
植物篱/雨型/坡度/径流深/冲刷量/微地形Key words
hedgerows/rainfall pattern/slope/runoff depth/soil erosion amount/microtopography分类
农业科技引用本文复制引用
马星,王文武,郑江坤,秦伟,单志杰,陈鑫,向明辉..植物篱措施对紫色土坡耕地产流产沙及微地形的影响[J].水土保持学报,2017,31(6):85-89,188,6.基金项目
水利部公益性行业科研专项(201501045) （201501045）
国家白然科学基金项目(41601028) （41601028）
中国博士后科学基金面上项目(2012M511938) （2012M511938）
四川省高校建设项目“水土保持与荒漠化防治重点实验室” （）
