Ezeaku PI, Ifeyinwa O, Victor E. LAND DEGRADATION IN THREE LOCATIONS AND SAMPLING PERIODS IN PHYSIOGRAPHIC UNITS UNDER ARABLE CROP PRODUCTION IN SUB- HUMID TROPICS OF NIGERIA. Int. J. Agric. Nat. Sci. [Internet]. 2020 Sep. 22 [cited 2024 Nov. 8];13(2):62-8. Available from: https://ijans.org/index.php/ijans/article/view/497