Lajpat R. Ahuja, PhD, is the former Supervisory Research Soil Scientist and Research Leader at USDA-ARS, Agricultural Systems Research, Fort Collins, Colorado, USA.
Kurt C. Kersebaum, PhD, is Senior Scientist at Leibniz-Centre for Agricultural Landscape Research Müncheberg, Germany and honorary professor at Georg-August University, Göttingen, Germany.
Ole Wendroth, PhD, is Professor of Soil Physics at the University of Kentucky-College of Agricultural Food and Environment, Department of Plant and Soil Sciences, USA.
