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A field experiment was conducted to investigate the effect of seed priming (dry seed, water soaked and 0.2 % P solution) and nitrogen (N) levels (0, 50 and 100 kg N ha-1) on wheat growth and N uptake under two different irrigation regimes (3 and 5 times irrigation). The results indicated that priming, N levels and soil moisture regimes significantly affected yield and N content of wheat. The higher moisture level produced significantly higher grain yield (3666.5 kg ha-1), biological yield (1042.6 kg ha-1), harvest index (35.2%), soil (0.036%), straw (0.36%) and grain nitrogen (1.49%) compared to low moisture level. Similarly, 100 kg N ha-1 resulted maximum grain yield (4173.7 kg ha-1), biological yield (11355.4 kg ha-1), harvest index (36.8%), soil nitrogen (0.038%), straw nitrogen (0.39%) and grain nitrogen (1.52%) in wheat. Likewise, among various seed priming methods, 0.2% P seed priming produced significantly greater grain yield (3665.4 kg ha-1), biological yield (10760.8 kg ha-1), harvest index (34.8%), soil (0.038%), straw (0.39%) and grain nitrogen (1.51%) over un-primed seed. Hence seed priming (0.2% P) and N application (100 kg N ha-1) both under high and low moisture regime is recommended for farmers on the basis of good crop yield in Peshawar region.
Keywords: Grain yield; Nitrogen; Priming; Soil moisture; Wheat