1. EL-Sheikh, M.H.; M.A. Ahmed, M.N. Barakat and S.M. Awad-Allah. 2011. Variations among maize (zea mays, L.) S1 families under variable nitrogen fertility levels. Seventh Pl. Breed. Conf. May 4-5 (Alexandria), Egypt. J. Plant Breed. (15): 145-155.
2. Ahmed, M. Abd EL-Sattar, M.M. EL-Sheikh, M.N. Barakat and S.M. Awad Allah. 2011. S1-family selection for variable nitrogen fertility levels in maize. Seventh Pl. Breed. Conf. May 4-5 (Alexandria), Egypt. J. Plant Breed. (15): 157-173.
Modified 2/23/2012