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Pakistan Journal of Biological Sciences
Year: 2000  |  Volume: 3  |  Issue: 6  |  Page No.: 1004 - 1005

Effect of Various Doses of Nitrogen on the Growth and Yield of Two Wheat (Triticum aestivum L.) Cultivars

Asghar Ali, M.Adil Choudhry, M. Asghar Malik, Rashid Ahmad and Saifullah    

Abstract: Response of two wheat cultivars namely Inqalab-91 and Punjab-96 to nitrogen levels of 0, 50, 100 and 150 kg ha–1 was studied under field conditions. The cultivar Inqalab-91 gave significantly higher grain yield than cultivar Punjab-96 due to more spike length, number of grains spike–1 and 1000-grain weight. Yield and yield components were also influenced significantly by nitrogen levels. The application of 150 kg N ha–1 produced maximum grain yield of 5.44 t ha–1 which was, however, statistically similar to that of 100 kg N ha–1. The increase in grain yield with nitrogen application was related to higher number of tillers m–2, spike length, number of grains spike–1 and 1000-grain weight.

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