“Decomposition and Nutrient Release of Selected Green Manure Species at Different Stages of Growth on Alisols at Areka, Southern Ethiopia”.
International Journal of Natural Sciences Research 1, no. 5 (October 15, 2013): 30–42. Accessed August 5, 2026.
https://archive.conscientiabeam.com/index.php/63/article/view/2306.