Department of Horticulture and Plant Sciences College of Agriculture and Veterinary Medicine Jimma University Jimma EthiopiaDepartment of Soil Quality Wageningen University and Research 6700 AA Wageningen the Netherlands;
Wageningen Environmental Research 6700 AA Wageningen the Netherlands;
SoilCares Foundation Nieuwe Kanaal 7c 6709 PA Wageningen the Netherlands;
Department of Horticulture and Plant Sciences College of Agriculture and Veterinary Medicine Jimma University Jimma Ethiopia;
compost; food self-sufficiency; livestock production; nitrogen balance; nitrogen use efficiency; scenario analysis;