“Nitrogen Fixing Potential of Acacia Gummifera At Different Ages Inoculated With Rhizobium Isolates”, GJSFR, vol. 19, no. D2, pp. 1–9, Aug. 2019, Accessed: Aug. 15, 2026. [Online]. Available: https://www.journalofscience.org/index.php/GJSFR/article/view/2498