MOHAMMED, D.; MAINA, M. M.; AUDU, I.; TUDUN WADA, I. .Y.; NASIRU, N. K.; RAJ, A. Characterization of Soils in East And West Zones of Kano River Irrigation Project, Nigeria. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT, v. 16, n. 2, p. 363-374, 1 Jun. 2020.