Tedla, Abate, Helena Airaksinen, and M. A. Mohamed-Saleem. “Effect of Seedbed Methods and Time of Harvest on the Yield and Nutritive Value of Some Forage Crops Grown on Vertisol at Debre Zeit, Ethiopia”. Agricultural and Food Science 1, no. 5 (September 1, 1992): 491–497. Accessed July 17, 2024. https://journal.fi/afs/article/view/72462.