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Asian Journal of Plant Sciences
Year: 2003  |  Volume: 2  |  Issue: 7  |  Page No.: 535 - 538

Performance of Various Maize Varieties as Affected by Different NP Levels

Mujtaba Masood, Imran Haider Shamsi, Nazim Hussain and Wajid Ali Shah    

Abstract: Field experiment was conducted to study the performance of various maize varieties as affected by different NP levels. Analysis of the data revealed that days to tasseling (82.96), thousand grain weight (268 g), biological yield (20293 kg ha-1), and grain yield (3193 kg ha-1) was significantly affected by different varieties. In case of fertilizer levels days to tasseling (77), biological yield (20067 kg ha-1), grain yield (3073 kg ha-1), and harvest index (15.6) was significantly affected by different NP levels. Similarly, interaction between varieties and NP had a significant effect on days to tasseling, thousand grain weight, biological yield, harvest index and grain yield. Variety “Hybrid No. 922” produced maximum days to tasseling (83), thousand grain weight (268 g), biological yield (20293 kg ha-1), and grain yield (3193 kg ha-1) when compared to other varieties. When the effect of different levels of NP was taken into an account, it was revealed that plots treated with NP levels of 120: 60 kg NP ha-1 produced maximum grain yield (3070 kg ha-1) and harvest index (14.94).

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