Effect of nitrogen levels and cultivars on growth and yield components of potato in foot hills of Arunachal Pradesh
Dubey, Rakesh K. | Singh, Vikas | Devi, Kamala | Kartek, Katon
In order to determine the effect of nitrogen fertilizer levels and cultivars on growth and yield of potato, an experiment was conducted during 2009–10. The treatments included three nitrogen level (100, 125 and 150 kg nitrogen/ha) as the main plot and three potato cultivars (Kufri Khyati, Kufri Ashoka and Kufri Jyoti) as the sub- plot. Results indicated that different levels of nitrogen fertilizer on plant emergence, plant height, tuber yield (0–25 g), (25–50 g), (> 75), total tuber yield (t/ha), number of tuber (0–25 g), (25–50 g), (50–75 g) and total No. of tubers/ha were significant at P < 0.05. Cultivar had a significant effect on plant height, number of tubers (50–75 g) and total number of tubers/ha. The highest total tuber yield was obtained with 150 kg N/ha treatment by cultivar Kufri Ashoka (23.92 t/ha).
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