Usman S.

Some selected physical and chemical attributes of a Ustalf under different tillage practices at Dutse, Jigawa State Nigeria.

Abubakar, S. Usman, N. A., 2019, Nigerian Journal of Soil Science.

Analysis of the Potential Soil Parent rock Resources and Ecological Footprint in Jadaka, Kandahar, Kargo, Makada and Sarki Aska Villages of Dutse, Nigeria

Usman S., U. S., 2018, Nigerian Journal of Soil Science.