Integrated Technology to Control Non-point Pollution in Resident-farmland Areas of Dianchi Lake Watershed, China Soil P desorption in different land use types in Dianchi Lake Watershed Effects of slope and width of riparian buffer strips on runoff purification A comparison of the effect of three grass species on controlling non-point pollution in orchards Ecological compensation standard for controlling nitrogen non-point pollution from farmland: a case study of Yixing City in Jiang Su Province Non-point pollution control for landscape conservation analysis based on CLUE-S simulations in Miyun County Review of the relationship between regional landscape pattern and surface water quality