“Symbiotic nitrogen fixation and nitrogen benefits by nodulated soybean (Glycine max (L.) Merrill) to interplanted crops in northern India”, ta, vol. 66, no. 1, Jan. 1989, Accessed: Jul. 16, 2025. [Online]. Available: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/1811