%0 Journal Article %T Combining ability of highland adapted maize (Zea mays L.) inbred lines for grain yield and yield related traits under optimum and low nitrogen conditions %A Demissew Abakemal %A Habtamu Zeleke %A Shimelis Tesfaye %J - %D 2019 %R 10.5897/AJPS2019.1765 %U https://academicjournals.org/journal/AJPS/article-abstract/19A488C60797