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Pakistan Journal of Biological Sciences

Year: 1999  |  Volume: 2  |  Issue: 3  |  Page No.: 857 - 859

Yield of Maize Hybrid-3335 as Affected by NP Levels

M. Ayyaz Khan, Naeem Ullah Khan, Khalil Ahmad, M. Safdar Baloch and M. Sadiq


An experiment was carried out to see the effect of different NP levels on maize hybrid "3335". The fertilizer levels were 90-90-90, 90-120-90, 90-150-90, 150-90-90, 150-120-90, 150-150-90, 210-90-90, 210-120-90, and 210-150-90 Kg ha -1 NPK including control having no fertilizer. The results revealed that maximum plant height (175.8 cm), number of cobs/plant (2.067), number of grains/cob (374.3), 1000-grain weight (226.5 g), Biological yield (15.42 t ha -1), and grain yield (48.08 t ha -1) was obtained by the application of NPK @ 210-120-90 kg ha -1. This level proved to be the optimum for maize crop under local conditions of Dera Ismail Khan.

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