Okoro, Ikwuakonam G., Abimbola O. Babalola, and Benjamin C. Maranzu. “Influence of Biochar on Bio-Accumulation of Heavy Metals in Maize Crop Beside Lead Zinc Mining Sites in Ebonyi State”. Journal Of Agriculture, Forestry & Environment 4, no. 1 (March 20, 2025): 124–140. Accessed April 20, 2025. https://jafe.net.ng/index.php/home/article/view/46.