M. B, A. and U.G, J. (2021) “Effect of biochar and supplementary application of micronutrient on soil and growth of okra in Lafia, Nigeria”, International Journal of Environment, Agriculture and Biotechnology, 6(1). Available at: https://journal-repository.com/index.php/ijeab/article/view/3002 (Accessed: 25 November 2024).