Seasonal variation in nutrient content of some selected vegetables from Wamakko, Sokoto State, Nigeria
U. A. Birnin-Yauri1*, Y. Yahaya2, B. U. Bagudo1 and S. S. Noma3
1Department of Pure and Applied Chemistry, Usmanu Danfodiyo University, Sokoto, Sokoto State.
2Department of Pure and Applied Chemistry, Kebbi State University of Science and Technology, Aliero, Kebbi State.
3Department of Soil Science, Usmanu Danfodiyo University, Sokoto, Sokoto State.