Healthy City Harvests: Generating Evidence to Guide Policy on Urban Agriculture

activities Africa analysis animals approach areas assessment associated benefits cattle Center CHAPTER chicken chicken rearing cities concentrations concern consumers consumption contamination contribution crops dairy developing countries Development disease effects Environment Environmental et al examining exposure factors farmers farming food production food security further governance growing hazards health risks higher households human impact important improved income increased indicators industrial Institute International Kampala knowledge land Lee-Smith levels livestock Maxwell mean measures metals methods milk mitigation nutrition Organization pathways percent peri-urban plants political poor population potential practices present protective public health raising range rearing households reduce reported response role sample significant soil sources strategies surface sustainable Table Uganda understanding University urban agriculture urban food vegetables waste wastewater wetlands women World