“EFFECT OF DIFFERENT RATES OF BIOCHAR ON NODULATION AND YEILD OF SOYBEAN (Glycine max.L.Merill)”. FUDMA JOURNAL OF SCIENCES 6, no. 4 (August 15, 2022): 12–16. Accessed September 17, 2025. http://162.254.38.185/index.php/fjs/article/view/1036.