Impact of changes in rainfall pattern on agriculture in Haveri District Karnataka-an economic analysis
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UASD
Abstract
Agriculture represents a core part of the Indian economy. While, the magnitude of climate
change impact varies greatly by region, it is expected to have an impact on agricultural productivity
and shifting crop patterns. The present study was an attempt to analyse the rainfall changes and
impact of these rainfall changes on Agriculture in the Haveri district. The study was based on both
primary and secondary data. The tabular analysis, compound growth rate analysis, correlation
analysis and functional analysis were used for analysing the data. The study revealed that the year
1992 received a maximum rainfall (952.4mm) and proved to be the wettest year. The year 2001
received lowest quantum of rainfall (300.5mm) and became the driest year. The growth rates for area,
production and productivity of major crops in the district revealed that there was a decrease in the
area under paddy (-3.87%) and increased production (3%) and productivity (7.18%) of Paddy was
observed .In case of Maize and groundnut area (8.06%&3.23%) and production (5.84% & 0.71%)
showed positive growth rates and productivity (-2.05 and -2.44%) was negative in both crops. The
study also revealed that there was a high degree of positive correlation between the rainfall and
paddy production (0.80), rainfall and Paddy productivity (0.88) compared to Maize and Groundnut.
The study also found that the variable pertaining to actual rainfall had a positive and significant impact
on the paddy productivity at 10 per cent level of significance but in case of Maize and Groundnut
productivity the variable pertaining to actual fertilizer had a positive and significant impact at 1 per
cent level of significance. Among the sample farmers interviewed, 32.14 per cent of the farmers were
reported that they changed their cropping pattern and mixed cropping to suit the rainfall changes to
avoid the risk.
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