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Response of several cultivars of maize ( Zea mays L. ) for different levels of nitrogen fertilization | ||
| journal of kerbala university | ||
| Article 1, Volume 13, Issue 2, 2017, Pages 9-15 PDF (0 K) | ||
| Abstract | ||
| Field experiment was carried out at the center of guiding and training agricultural AL- Muhanawia Babel during the autumn season 2015 to evaluate the studied cultivars(1715 and CADIZ and Alfurat and Almaha) by treatment with three levels of nitrogen fertilization (zero N and 150 K.gN.h-1 and 320 K.gN .h1-) and it code (N 0 , N 1, N 2) respectively and to study this defect on some traits field comparison experiment was done by using (R.C.B.D) according to split plot with three replications. The result showed that significant differences were noted for all cultivars due to all the nitrogen levels and the introduction between them for all traits, except the number of kernel.ear 1. 7151 cultivar was excellence by giving high values of all study traits : Leaf area , number of kernels.ear1- , grain yield biological plant yield , percentage of protein (5750 cm2 , 604.55 kernels .year1- , 201.9 g. plant1- , 429.34 g and 10.32 %) respectively While the N2 was superior on which increasing the percentage of respective traits following (54.18 , 54.31 , 43.52 , 28.71 and 52.83 ) % respectively . The introduction was significant with : leaf area , grain yield , biological plant yield and percentage of protein. Nitrogen level at 320 kg.ha-1 give high values for traits (652 cm2 , 240.76 g.p-1, 480.13 g and 12.75%) respectively. | ||
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