Haque, M.M., Rahman, M.M., Morshed, M.M., Islam, M.S. and Afrad, M.S.I. 2019. Biochar on Soil Fertility and Crop Productivity. The Agriculturists. 17, 1-2 (Dec. 2019), 76–88. DOI:https://doi.org/10.3329/agric.v17i1-2.44698.