Ji Hengying ， Shao Ming-an ， Jia Xiaoxu
2017 INMATEH-AGRICULTURAL ENGINEERING 2017 51(卷), 1(期), (135-144页)
Considering the serious soil and water losses that impede the development of agricultural production in Loess Plateau in China, this study investigated the soil water infiltration, runoff yield, and sediment yield through simulated rainfall using rainfall water of different qualities; additionally, this study investigated the influence of water quality on rainfall-induced erosion. The effects of rainfall water quality on soil erosion under artificial simulation were studied in the State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau from 2015 to 2016. This experiment used four rainfall water types (water, natural precipitation, natural hydrops, and tap water) and three typical loess plateau soil samples (Loessal soil, Lou soil, and laminated Lou-Sand). The effect of water quality on soil erosion under the same rainfall intensity (60mm/H) and slope (5 degrees) was determined. Results showed that the intensity of rainfall erosion was significantly affected by water quality, and soil erosion intensity gradually decreased with increased sodium adsorption ratio and conductivity (water