Juliet, Opara Ifeoma, Ukoha Pius Oziri, Obasi Nnamdi Lawrence, and Ekere Nwachukwu. 2022. “Utilization of Biochar As Organic Fertilizer for Seedling Growth of Zea Mays (Maize)”. International Journal of Environment, Agriculture and Biotechnology 7 (4). https://journal-repository.com/index.php/ijeab/article/view/5424.