This work was made possible by the support from Rockefeller Foundation and National Agricultural Research Organization (Uganda). Special thanks to Soroti District Agricultural officer, Soroti District Environmental Officer, Dr. Bonface Wambu (University of Nairobi), Dr. Phillip Omondi (ICPAC), Dr. Everlyne Komtunga (NARO) and Dr. Drake Mubiru (NARO) and ICPAC staff for their support and counsel throughout the entire study.