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[1]YAN Li,JIANG Bi,ZHUANG Xuyin,et al.Cost for Runoff and Sediment Control of Artificial Grassland at the Plot Scale in the Loess Hill and Gully Region[J].Research of Soil and Water Conservation,2015,22(05):62-66.

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Cost for Runoff and Sediment Control of Artificial Grassland at the Plot Scale in the Loess Hill and Gully Region

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 22 Number of periods: 2015 05 Page number: 62-66 Column: Public date: 2015-10-28

Title:: Cost for Runoff and Sediment Control of Artificial Grassland at the Plot Scale in the Loess Hill and Gully Region

Author(s):: YAN Li¹, JIANG Bi¹, ZHUANG Xuyin¹, WANG Fei²; 1. Quzhou Design Co., Ltd. of Water Conservancy & Hrdropower, Quzhou, Zhejiang 324000, China;
2. Institute of Soil, Water Conservation, Northwest A & F University, Chinese Academy of Sciences, Ministry of Water Resources, Yangling, Shaanxi 712100, China

Keywords:: loess hill and gully region; artificial grass; cost of water and sediment control; runoff; sediment

CLC:: P333.4;S157.2

DOI:: -

Abstract:: The study was conducted to compare cost for water and sediment control (R_rs) of different artificial grasses based on perennially monitoring data of loess hill and gully region and the bare slope set as control. And then the characteristics of R_rs of artificial grass and the relations among various influence factors were systematically analyzed. The results showed that the average R_rs of the artificial grass were different in different regions and had large differences, the average R_rs of the artificial grass of the second sub-region of hill and gully area of the Loess Plateau is greater than the first and the third sub-regions; for different forage managements, R_rs of sweet clover rotation is 25% greater than that of the natural grass slope. The R_rs of forages decreased in the order: drilling Melilotus suaveolwna > broadcasting Medicago sativa > Melilotus suaveolwna > Medicago sativa > slope with natural grass. The R_rs of grass rotation decreased in the order: Melilotus suaveolwna > Medicago sativa and it was bigger than that of forage rotation; the R_rs of artificial grass and precipitation, soil erosion modulus presented the inverse exponential correlations, R_rs of grass measures and I₃₀ showed the good inversely linear relationship.

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