Engida Tsegaye, Nigussie Dechassa and E.V. Devakara Sastry
Journal of Agronomy 6 ( 1 ): 94 - 99 , 2007
Engida Tsegaye, E.V. Devakara Sastry and Nigussie Dechassa
Journal of Agronomy 5 ( 3 ): 391 - 395 , 2006