Effect of different levels of nitrogen on growth and yield of two wheat (Triticum aestivum L.) varieties
2002
Ghani, A. Imran, M.A. | Sultan, A. (University of Agriculture, Faisalabad (Pakistan). Dept. of Botany)
Response of two wheat varieties namely Inqlab-91 and Parwaz-94 to nitrogen levels of 0, 50, 75 and 100 kg ha-1 was studied under field conditions. The variety Inqlab-91 gave significantly higher grain yield than Parwaz-94 due to more spike length, number of grains spike-1 and 1000 grain weight; yield and yield components were also affected significantly by nitrogen levels. The application of 100 kg N ha-1 produced maximum grain yield of 5.44 t ha-1 which was however statistically similar to that of 75 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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