1. International Center for Agricultural Research in the Dry Areas (ICARDA) Maadi Egypt
2. Julius Kühn Institute (JKI)—Federal Research Centre for Cultivated Plants Institute for Strategies and Technology Assessment Kleinmachnow Germany
3. Soils, Water and Environment Research Institute Agricultural Research Center Giza Egypt
4. International Institute for Tropical Agriculture (IITA), c/o ICIPE Nairobi Kenya
5. Department of Earth and Climate Science University of Nairobi Nairobi Kenya
6. Section of Soil Science, Faculty of Organic Agricultural Sciences University of Kassel Witzenhausen Germany
7. Department of Natural Resources, Faculty of African Postgraduate Studies Cairo University Giza Egypt
8. International Center for Agricultural Research in the Dry Areas (ICARDA) Rabat Morocco