| Institution: | Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, Colorado, 80523-1499, USA.;Swedish University of Agricultural Sciences, Department of Soil Sciences, P.O. Box 7014, S-750 07, Uppsala, Sweden.;Agriculture and Agri-Food Canada Research Center, P.O. Box 3000, Lethbridge, Alberta T1J 4B1, Canada.;The Ohio State University, School of Natural Resources, 2021 Coffey Road, Columbus, Ohio, 4321-1085, USA.;IACR-Rothamsted, Harpenden, Herts, AL52JQ, UK.;RCMD IITA, c/o Lambourne and Company, Carolyn House 26 Dingwell Road, Croydon CR9 3EE, UK.;University of Saskachewan, Soils Science Department, Saskatoon, S7N SA8, Canada.;ICRAF-SE Asia, PO Box 161, Bogor 16001, Indonesia.;Tropical Soil Biology and Fertility Programme (TSBF), c/o UNESCO-ROSTA, UN Complex, P.O. Box 30593, Nairobi, Kenya. |
