EDEGBAI, Boniface Onomoin; ANOLIEFO, G. O. THE EFFECT OF ZINC TREATED SOIL ON THE GROWTH AND DEVELOPMENT OF VERNONIA AMYGDALINA DEL. PLANT. FUDMA Journal of Sciences, [S. l.], v. 3, n. 2, p. 250–258, 2023. DOI: 10.33003/. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1511. Acesso em: 28 sep. 2026.