Affiliation: | 1.USDA-ARS Pasture Systems and Watershed Management Unit,University Park,USA;2.Department of Crop, Soil and Environmental Sciences,University of Arkansas,Fayetteville,USA;3.School of Environment, Natural Resources and Geography,Bangor University,Bangor,UK;4.Department of Soil and Environment,Swedish University of Agricultural Sciences,Uppsala,Sweden;5.National Center for Water Quality Research,Heidelberg University,Tiffin,USA;6.Agri-food and Bioscience Institute,Belfast,UK |