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Position: Home > Articles > Characteristics of Runoff and Sediment Yield in Sloping Farmland of Black Soil Region Under Different Farmland Vegetation Bulletin of Soil and Water Conservation 2015,35 (3) 101-104+111

不同农田植被条件下黑土坡耕地产流和产沙特征

作  者：
吴限;魏永霞;王敏;王龙
单  位：
东北农业大学水利与建筑学院
关键词：
天然降雨;黑土区;坡耕地;叶面积指数;农田植被;产流;产沙
摘  要：
[目的]研究不同农田植被条件下的水土侵蚀特征,为该区作物种类选择提供参考。[方法]2013年在位于东北典型黑土带上的黑龙江省红星农场径流小区内,开展了玉米、大豆、大豆—玉米间作3种农田植被条件下的地表径流和土壤侵蚀特征研究。[结果]玉米的径流拦蓄和土壤侵蚀控制的效果最好,间作次之,大豆位居最后;玉米和间作模式的地表径流分别较大豆减少了15.8%和10.7%,土壤侵蚀量亦分别减少了10.47%和5.35%。[结论]在较低降雨强度下玉米和间作的减流减沙效果差别不甚明显,在较高强度下玉米和间作减流减沙效果明显好于大豆。
译  名：
Characteristics of Runoff and Sediment Yield in Sloping Farmland of Black Soil Region Under Different Farmland Vegetation
作  者：
WU Xian;WEI Yongxia;WANG Min;WANG Long;College of Water and Civil Engineering,Northeast Agriculture University;Key Laboratory of Water-saving Agriculture of Heilongjiang Province;
关键词：
natural rainfall;;black soil area;;sloping farmland;;leaf area index;;farmland vegetation;;runoff yield;;sediment yield
摘  要：
[Objective]In order to provide references for the selection of suitible crops for black soil areas,to analyze the rill erosion characteristics of different cropland.[Methods]The study of surface runoff and soil erosion characteristics under three different cropland planting of corn,soybean and soybean-corn belt cropping,was carried out in the runoff plot of Hongxing State Farm in Heilongjiang Province located in the northeast typical black soil belt in 2013.[Results]For the performances of runoff retaining and sediment yield control,corn performed the best,while the intercropping of soybean-corn followed it,and soybean took the last.Compared to soybean,the surface runoff decreased 15.8% and 10.7% under the cultivation modes of corn and intercropping of soybean-corn;in corresponding to the soil loss,decreased 10.47% and 5.35%,respectively.[Conclusion]The control of surface runoff and soil loss between corn and soybean-corn belt cropping was not significant under the relatively low-intensity rainfall conditions.Whereas the control of surface runoff and soil loss under soybean-corn belt cropping was much better than that under soybean in the high-intensity rainfall condition.

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