Thanks to the research undertaken by a retired professor of the Madras Institute of Development Studies S. Janakrajan covering a period of four decades since 1971 on the Cauvery delta region, regarded as the granary of Tamil Nadu with the assistance of Indian Council of Social Science Research, the following findings are shockingly revealed as expected by some of us for quite sometime :
1)The delta region has shrunk by 20% due to anthropogenic factors such as diversion of land for non-agricultural purposes as well as factors linked to climate change.
2)The drastic reduction in crop cover and a 13-fold increase in wastelands between 1971 and 2014 indicate a worrisome phenomenon.
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