“Effectiveness of Bradyrhizobium Isolates on Seedling Growth and Nitrogen Content in Soybean [Glycine Max (L.) Merrill]”. Botanica Orientalis: Journal of Plant Science 4, no. 1 (August 10, 2007): 1–3. Accessed July 7, 2026. https://nepjol.info/index.php/BOTOR/article/view/493.