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Pakistan Journal of Biological Sciences
Year: 2003  |  Volume: 6  |  Issue: 5  |  Page No.: 452 - 454

Weed-crop Combination in Wheat (Triticum aestivum L.) By Nitrogen Levels and Herbicide Doses

Sajid Ali, Asif Iqbal and M. Abbas Zia    

Abstract: The study to evaluate the effect of nitrogen levels and herbicide doses on wheat growth and yield was carried out. The data revealed that the herbicide, Topik @ 300 g ha-1 gave an effective weed control which reduced weed-crop competition, exhibited positive effect on development of productive tillers, ear length and grain number per ear. All these attributes contributed to higher yield. Application of nitrogen @ 125 kg ha-1 also resulted in higher grain yield over 100 kg N ha-1 application rate.

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