Neel Kamal Patel* and Santosh Kumar Sahu
Indira Gandhi Krishi Vishwavidyalaya, Raipur
Abstract: A field experiment was conducted at Instructional cum Research Farm, Indira Gandhi Krishi Vishwavidyalaya, Raipur during Rabi season of 2007 to study the “Performance of forage yield and Economics of Oat varieties under different nitrogen levels in central India ” has been taken up with objectives of effect of nitrogen on forage yield and economics of oat, performance of different genotype of oat & interaction effect of nitrogen and genotype of oat.. The experiment was laid out in Factorial Randomized Block Design with three replications. The treatments were allotted to different plots by using random method. Different varieties of oat viz. UPO-2005-1(V1), NDO-1(V2), Kent (SC) (V3)and OS-6 (SC) (V4) and four levels of nitrogen viz. 0 kg ha-1 (N1), 40 kg ha-1 (N2), 80 kg ha-1 (N3) and 120 kg ha-1 (N4) are two factors were kept under different treatment combinations. The growth and yield attributes, like plant population, tillers, leaf stem ratio, fresh & dry forage yield were superior under Kent (SC) (V1) variety and 80 kg nitrogen ha-1. While, there attributes were registered superior with UPO-2005-1(V1) variety of oat and 120 kg ha-1 (N4) as compared to oat varieties and different nitrogen levels. Among different varieties of oat, Kent (SC) fetched maximum net profit (Rs. 8584.37 ha-1) and B: C ratio (0.95) while NDO-1 variety could bring lowest in net profit and B: C ratio. Among different levels of Nitrogen, application of Nitrogen @ 120 kg ha-1 recorded highest net return (10558.12), but highest B: C ratio (1.14) was obtained in 80 kg N ha-1. Maximum net profit (Rs 11405.50 ha-1) and B: C ratio (Rs 1.21 Rp-1 invested) was obtained in V3N4 (Kent (SC) + Nitrogen @ 120 kg ha-1) treatment combination followed by V1N3 (UPO-2005-1 + Nitrogen @ 80 kg ha-1) (Rs 11148.50 ha-1) and B:C ratio (Rs 1.23), respectively, while it was found lowest under V2N1 (NDO-1+ Nitrogen @ 0 kg ha-1) treatment combination.
Keywords: Nitrogen levels, forage yield, varieties and Economics of Oat
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