Effect of Biochar Feedstock Types on Physical and Chemical Properties of Humic Nitisols in Kakamega County, Kenya. Adv in Sci, Eng & Tec [Internet]. 2026 Mar. 12 [cited 2026 Mar. 19];2(1):26 – 33. Available from: https://journals.mmust.ac.ke/index.php/aset/article/view/132