A STUDY OF ECOLOGICAL SANITATION OF HUMAN URINE BY TUNNEL HARVEST AND RE-USE FOR PERI-URBAN VEGETABLE PRODUCTION IN BAYERO UNIVERSITY, KANO OLD CAMPUS: A PILOT SCHEME  

2018-01-09
Urine used as a fertilizer can help in the mitigation of poverty and malnutrition, and improve the trade balance of countries importing chemical fertilizers if adopted at large scale. The ...