“Comparative Assessment of the Levels of Some Metal Ions in Soil Rhizosphere of Onion and Onion Bulb (Allium cepa l) Cultivated in Danbam Local Government Area: North East Nigeria”, Commun. Phys. Sci, vol. 7, no. 1, Mar. 2021, Accessed: Aug. 10, 2026. [Online]. Available: https://journalcps.com/index.php/volumes/article/view/419