Abstract
The field experiment was conducted at the Horticultural Research Farm, College of Agriculture, Indira Gandhi Krishi Vishwavidyalaya, Raipur, Chhattisgarh during Rabi 2012–2013 in Factorial Randomized Block Design with nine treatment combinations consisting of three varieties as (Kufri Pukhraj, Kufri Jawahar and Kufri Khyati) and three levels of nitrogen as (150, 187 and 225 kg N) were replicated four times. Variety Kufri Pukhraj was found significantly superior from the other two varieties for growth parameters and yield parameters. The interaction between Kufri Pukhraj combined with 225 kg N non significant with respect to all the other treatment combinations as regards to total yield of tuber (q ha−1). The results indicated that the highest gross return (Rs. 191867 ha−1), net return (Rs. 130343 ha1) and benefit: cost ratio (Rs. 2.11) was obtained under Kufri Pukhraj with 225 kg N.
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