1. University of Nebraska‐Lincoln Lincoln NE USA
2. International Crops Research Institute for the SemiArid Tropics Addis Ababa Ethiopia
3. Africa RISING East & Southern Africa (ESA) Project International Institute of Tropical Agriculture Arusha Tanzania
4. Kenya Agricultural and Livestock Research Organization‐Kitale Kitale Kenya
5. World Agroforestry Center Lusaka Zambia
6. Michigan State University East Lansing MI USA
7. Kansas State University Manhattan KS USA
8. Emeritus Professor Iowa State University Ames IA USA
9. CliniSol Ouagadougu Burkina Faso
10. USDA‐NRCS‐Soils and Plant Science Division Washington DC USA