Abstract
Field investigation was carried out to study the effect of different nitrogen levels on growth and yield parameters in potato var. Kufri Surya. The experiment was laid out in a randomized block design with treatments consisting of six nitrogen levels replicated four times. Growth parameters like plant height, number of leaves per plant, number of shoot per plant, fresh and dry weight of shoot per plant and yield attributing parameters like number of stolon, fresh and dry weight of tuber per plant increased with an increase in nitrogen levels with maximum values being obtained on application of highest nitrogen level (375 kg N/ha). However, highest values for number of tuber per plant and per plot as well as tuber yield per plot and per hectare was recorded on application of 225 kg N/ha. The highest net returns (Rs. 117323) and maximum B: C ratio (1.42) was recorded on application of 225 kg N/ha.
Highlights
Potato (Solanum tuberosum L.) belongs to family Solanaceae and is one of the most important vegetable cum starch supplying crop having high production per unit area per unit time
At 45, 60 and 75 days after planting (DAP), similar trend was observed for plant height with maximum plant height (44.25, 47.75 and 48.00 cm, respectively) recorded under 375 kg N/ha but having at par effect with 150 kg N/ha, 225 kg N/ha and 300 kg N/ha
Maximum number of leaves were found on application of 375 kg N/ha followed by 150 kg N/ha, 225 kg N/ha and 300 kg N/ha, all having statistically equal effect
Summary
Potato (Solanum tuberosum L.) belongs to family Solanaceae and is one of the most important vegetable cum starch supplying crop having high production per unit area per unit time. An underground tuber occupies prime position among the cash crops in India. Potatoes are rich source of vitamins, especially C and B and minerals. Tubers contain 70-80% water, 20.6% carbohydrate, 2.1% protein, 0.3% fat, 1.1% crude fibre and 0.9% ash[1]. Potato produces the highest dry matter and edible protein per unit area and time. It can fulfill the requirement of food for human consumption to a greater extent
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