SODAHMUHAMMAD GWAM, JayeobaO. J., AmanaS. M., and JibrinI. M. “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 December 20, 2024. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1036.