Ecology, Environment and Conservation Paper

Vol. 22, April Suppl. Issue 2016; Page No.(439-443)

STUDIES ON THE ECONOMIC FEASIBILITY OF ALTERNATE SEQUENTIAL CROPPING SYSTEMS TO RICE-RICE (ORYZA SATIVA L.) IN TUNGA BHADRA PROJECT AREA

Shridhara B. Nagoli1, M. A. Basavanneppa2, G.l. Sawargaonkar3, D. P. Biradar, S.A. Biradar and M. R. Navyashree

Abstract

A field experiment was carried out in farmer’s field near Agriculture Research Station, Siruguppa in Karnataka during kharif and rabi seasons of 2014-15 to “Studies on the economic feasibility of alternate sequential copping systems to rice-rice (Oryza sativa L.) system in Tunga Bhadra Project Area”. The experimental site was medium deep black soil belong to the order vertisol with soil pH (8.01), EC (0.54 dS m- 1), available nitrogen (240.80 kg ha-1), P2O5 (22.90 kg ha-1) and K2O (347.49 kg ha-1). The experiment comprised of seven sequential cropping systems viz., T1: Rice-maize, T2: Rice-sorghum, T3: Rice-chickpea, T4: Ricesesame, T5: Maize-chickpea, T6: Cotton-sesame and T7: Rice-rice. These treatments were laid out in completely randomized block design with three replications. Data on yield of each crop was recorded and statistically analyzed. Cost of cultivation of each crop was worked out and income of crop yields was calculated on prevailing market prices. The experimental results revealed that significantly higher rice equivalent yield (REY) was recorded in cotton-sesame cropping system (13117 kg ha-1). Whereas, significantly higher system productivity was recorded with maize-chickpea cropping system (35.94 REY kg ha-1 day-1) and it was significantly superior over existing rice-rice (26.89 REY kg ha-1day-1) cropping systems. The gross returns were higher in cotton-sesame and maize-chickpea cropping systems of 220813 ha-1 and 203988 ha-1, respectively with net profit 166328 ha-1 and 148803 ha-1, and benefit cost ratio of 4.05 and 3.70 respectively. The cotton-sesame and maize-chickpea crop sequences are more productive and economically viable as they also fetched more net returns per unit area for time invested, and can be a better cropping systems for the farmers of the Tunga Bhadra Project area of Karnataka.

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