(1)
Girma Woldetsadik; Sombat Chinawong; Rungsit Suwanketnikom; Sunanta Juntakool; Aphiphan Pookpakdi. Nitrogen Fertilization and Moisture Conservation Practices on Maize (Zea mays L.) Grown Under Dryland Conditions of Ethiopia. Agr. Nat. Resour. 2005, 39, 1-11.