RESPONSE OF MAIZE TO TWO IRRIGATION SYSTEMS WITH DIFFERENT NITROGEN LEVELS

	RESPONSE OF MAIZE TO TWO IRRIGATION SYSTEMS WITH DIFFERENT NITROGEN LEVELS
Euphrates Journal of Agriculture Science
Article 1, Volume 5, Issue 4, 2013, Pages 84-93
Abstract
Abstract:- The experiment was conducted during autumn 2012 in one of fields Farm extension in west of Hilla center in Babylon, to investigate the role of different levels nitrogen (N0, N50 , N100 and N150)Kg/ha in plant Maize efficiency under irrigation systems ( I1: Drip and I2: Surface), A split plot arrangement in randomized complete block design with three replication was design used . The main plots were nitrogen levels and Sub plots were irrigation systems , The treatment (N150) was superior in leaf area (583.2cm2), Biological yield (32.91 tan/ha) , weight 500 grain ( 154.5gm ) and grains yield ( 11.64 Tan / ha ) , Per. of protein(10.3%) and water use efficiency (2.695 kg/m3). The treatment ( I2 ) was superior in root length(33.58 cm) and grain yield (9.75 tan/ha) , So the treatment (I1) was superior in weight 500 grain(148.1 gm) , percentage of protein (9.2 % ) and water use efficiency (2.737 kg/m3). A linear relationship was found between studied traits and both nitrogen levels and irrigation systems , The interaction (N150 × I2) was superior in leaf area ( 601.2cm2 ), Biological yield (34.57 tan/ha) , weight 500 grain ( 156.5gm ) and grains yield ( 12.03 Tan / ha ) , The interaction (N150 × I1) was superior in Per. of protein(11.5%) .

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