M. G. SODAH, O. J. Jayeoba, S. M. Amana, and I. M. Jibrin, “GROWTH AND YIELD OF SOYBEAN (Glycine Max. L. Merril) AS INFLUENCED BY COMBINED APPLICATION OF BIOCHAR AND MICRONUTRIENT”, FJS, vol. 6, no. 1, pp. 204 - 209, Apr. 2022.