Abstract
A field experiment under All India Coordinated Research Project was conducted for four years (2015-16 to 2018-19) in irrigated condition at Agricultural Research Station, Siruguppa, University of Agricultural Sciences (UAS), Raichur, Karnataka, India, to study the productivity and profitability of cropping system as influenced by rice based cropping system in Tunga Bhadra Project area of Karnataka on deep black soil. The experiment consisted of ten cropping systems and laid out in completely randomized block design with three replications. The results showed that, growing of rice followed by ridge gourd (Kharif-summer) recorded significantly higher rice equivalent yield (11338 kg/ha), gross return (Rs.213355/ha), net return (Rs.142691/ha), BC ratio (3.08), system productivity (31.07 kg/ha/day) and system profitability (537.54 Rs/ha/day) compared to other cropping systems. Whereas rice followed by beans cropping system registered significantly lowest rice equivalent yield, gross returns, net returns, BC ratio, system productivity and system profitability when compared to other cropping systems tested under the study.
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