ECONOMIC EVALUATION OF NITROGEN RESPONSE CURVE IN MAIZE
Abstract: Three field experiments were carried out at Sids Agricultural Research Station, Agricultural Research Center (ARC) during the seasons 2010, 2011 and 2012. The objectives of this study were to: 1) Evaluate the nitrogen levels effects (0, 30, 60, 90, 120 and 150 Kg N/fed) on grain yield (ard/fed) of Single Cross 10 (S.C 10), 2) Determine the response of grain yield to N fertilizer, and 3) Estimate the economics of N rate in maize. The highest grain yield (ard/fed) was produced by supplying 150 Kg N/fed in the three seasons. Quadratic model was the best of the tested models for describing the relationship between grain yields of maize hybrid (S.C 10) to N fertilizer. The economic optimum N rates (121.053, 120.645 and 120.129 Kg N/fed) were produced by adding (24.77, 21.69 and 25.17 ard/fed), respectively, and the net return (£.E 4780.61, 5682.78 and 6795.9/fed) in the three seasons, respectively.
Publication year 2013
Pages 244-250
Organization Name
Author(s) from ARC
External authors (outside ARC)
    شابون عبدالعزيز منصور قسم بحوث الذرة الشامية - معهد المحاصيل الحقلية
    سمير كامل علي اسماعيل قسم بحوث الذرة الشامية - معهد المحاصيل الحقلية
Publication Type Researsh & Applied Activities
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