Hendawi, M. (2011). RESPONSE OF TWO WHEAT CULTIVARS TO ROW SPACING AND NITROGEN FERTILIZATION LEVELS UNDER RECLAIMED SANDY SOILS. Journal of Productivity and Development, 16(2), 135-145. doi: 10.21608/jpd.2011.42434
Mohamed Hendawi. "RESPONSE OF TWO WHEAT CULTIVARS TO ROW SPACING AND NITROGEN FERTILIZATION LEVELS UNDER RECLAIMED SANDY SOILS". Journal of Productivity and Development, 16, 2, 2011, 135-145. doi: 10.21608/jpd.2011.42434
Hendawi, M. (2011). 'RESPONSE OF TWO WHEAT CULTIVARS TO ROW SPACING AND NITROGEN FERTILIZATION LEVELS UNDER RECLAIMED SANDY SOILS', Journal of Productivity and Development, 16(2), pp. 135-145. doi: 10.21608/jpd.2011.42434
Hendawi, M. RESPONSE OF TWO WHEAT CULTIVARS TO ROW SPACING AND NITROGEN FERTILIZATION LEVELS UNDER RECLAIMED SANDY SOILS. Journal of Productivity and Development, 2011; 16(2): 135-145. doi: 10.21608/jpd.2011.42434
RESPONSE OF TWO WHEAT CULTIVARS TO ROW SPACING AND NITROGEN FERTILIZATION LEVELS UNDER RECLAIMED SANDY SOILS
Plant Protection Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt.
Abstract
Two field experiments were carried out in a private farm at Wadi El-Mollak region, Abo-Hammad District, Sharkia Governorate, during two winter seasons [2007/ 2008 and 2008/2009] in à reclamid sandy soil. This study aimed to invstigate the response of two wheat cultivars [ Giza168 and Sakha 93] to row spacing (12,15 and 18 cm between rows] and nitrogen fertilization levels [50, 70, 90 and 110 kgN/fad]. The split-split plot design with four replicates was followed. The important findings of this study could be summarized as follows: Wheat cultivars under this study differed significantly in the most of their studied characters. Sakha 93 cv was superior than Giza 168 one in grain yield in t/fad. The obtained results showed that the average values of plant height (cm), number of tillers/ plant, leaf area cm2/plant, flag leaf area(cm2), spike length (cm), number of grains/ spike and 1000- grain weight(g) increased significantly with increasing row spacing from 12 to 18 cm, but mortality%, number of spikes/m2, grain yield and straw yield in t/ fad were decreased. Growth characters, yield and its components were increased significantly due to increasing nitrogen fertilization level from 50 up to110kgN/fad, meantime the mortality of tillers% was decreased with increasing the applied N levels to90kgN/fad. The significant interaction effect between the studied factors indicated that. The highest grain yield could be scored, when the plants grown at 12cm row spacing received 90kgN/fad.
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