TY - SER AU - Ibrahim,M.E. AU - EL-Shamarka,ShA. AU - Gaafar,N.A. AU - Abdel-Aal,M.S.M. TI - Productivity and nitrogen accumulation and translocation of some maize genotypes as affected by different nitrogen fertilization levels KW - Corn KW - Composition KW - Fertilizers KW - Genetics KW - Varieties KW - Plants KW - Effect of nitrogen on KW - genotype KW - fertilizer rates N1 - Includes references N2 - Field experiment was carried out at the Experimental Farm, Faculty of Agriculture , Minufiya University in 2008 season and repeated in 2009 season to investigate the effect of nitrogen fertilization levels (0 , 30 , 60, 90 and 120 Kg N / fed) on the productivity and nitrogen accumulation of five maize varieties differed in their prolificacy (number of ears), i.e Single cross 122 (S.C. 122), Single cross 30 K 8 (S.C. 30 K 8), Three way cross Nefertiti (T. W. C. Nefertiti), Synthetic variety Composit 1 and Open pollinated variety Giza 2 UR - http://nile.enal.sci.eg/EALE/2010/MJAR/3510/6/2109.pdf ER -