Author(s):

Mo. Navaz, Sunil Kumar, Deepak Chandrakar, Dameshwar and Anjum Ahmad

Abstract: A field experiment was conducted at the Agronomy Research Farm of IGKV, Raipur, during the Rabi season of 2016. The experiment was laid out in Factorial Randomized Block Design with twelve treatments replicated thrice to study the energy consumption and economics involved in cultivation of lathyrus after rice. Energy analysis carried out revealed that among foliar spray of nutrients, highest gross return, net return and B:C ratio was found in treatment, 0.5% NPK (19:19:19) spray at branching & 15 days after 1^st spray (29492.64, 18618.14, 1.712 Rs.ha^-1 respectively), where as in case of seed treatment, seed treatment with Sodium molybdate @ 0.5 g kg^-1 seed gave the maximum gross return, net return and B:C ratio (26475.39, 15583.39, 1.431 Rs.ha^-1 respectively). Highest energy output, energy output : input ratio and energy use efficiency was found in, 0.5% NPK (19:19:19) spray at branching & 15 days after 1^st spray (55.32, 18.88, 14.30 MJ ha^-1 x10^-3 respectively), where as energy input found maximum in, 2% neem coated urea spray at branching and 15 days after 1^st spray (3.54 MJ ha^-1 x10^-3), seed treatment with Sodium molybdate @ 0.5 g kg^-1 seed gave the highest energy output, energy output : input ratio and energy use efficiency (49.38, 16.74 and 12.67MJ ha^-1 x10^-3 respectively) where as energy input was found similar in both treatments of seed treatment (2.95MJ ha^-1 x10 ³).

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