COMPARATIVE ECONOMIC ANALYSIS OF AEROBIC AND CONVENTIONAL PADDY CULTIVATION IN EASTERN DRY ZONE OF KARNATAKA
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Date
2019-08-02
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UNIVERSITY OF AGRICULTURAL SCIENCES GKVK, BANGALORE
Abstract
The study was undertaken in Eastern Dry Zone of Karnataka to estimate the
economics of aerobic and conventional paddy cultivation along with Resource Use
Efficiency (RUE) and externality. Primary data was collected from 50 farmers each
practicing aerobic and conventional paddy cultivation. The cultivation of paddy under
aerobic method was profitable as it generates higher net returns (` 24,653/ha) compared to
conventional paddy cultivation (` 11,046/ha). Aerobic paddy cultivation was sustainable
compared to conventional method as it saved 63 per cent of scarce irrigation water. The
cost of irrigation was reduced to the extent of 60 per cent in aerobic paddy cultivation
compared to conventional paddy cultivation. RUE indicated that, resources were not
optimally utilized in both aerobic and conventional paddy cultivation. Bullock labour,
machine labour, seeds and irrigation were underutilized in aerobic paddy cultivation
whereas, FYM was underutilized in conventional paddy cultivation indicating that usage
of additional amount of these inputs leads to increase in the returns. Aerobic paddy
cultivating farms were more technically and economically efficient compared to
conventional paddy cultivating farms. In addition, aerobic paddy cultivation resulted in
positive externality to the tune of ` 7714 per hectare over conventional paddy cultivation.
Infestation of weeds, uneven crop stand resulting in reduced yield and water management
were the major constraints in aerobic paddy cultivation. Focus should be given to shift the
area towards aerobic paddy cultivation instead of paddy under tube well irrigation where
irrigation water is becoming very scarce.
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