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This paper has studied the impact of crop diversification on dietary diversity of households in different regions of Tamil Nadu. Two different types of data set were used: (1) National Sample Survey Organization's (NSSO) consumer expenditure survey data for the years TE 2004–05 and TE 2012–13, and (2) Cropping pattern data from Season and Crop report for the years TE 2004 and TE 2012–13. Multiple linear regression model was used to study the linkages between crop and dietary diversification. The study has revealed that dietary diversification of Cauvery delta zone, Northern zone and Northeastern zone was parallel with crop diversification. The crop diversification influenced positively the dietary diversification, whereas vegetable diversification was negatively related with diet diversification, irrespective of income groups in the state. Also, larger household size, presence of own land, older age and higher education level of household-head have been found positively related with dietary diversity of households in Tamil Nadu. The current nutrients intake pattern has been found about 50 per cent of the RDA, particularly of crude fibre and iron and about two-thirds in case of energy and vitamin A. The nutrient intake gap is further widened in low-income non-farm groups. Appropriate nutritional security programmes maybe initiated particularly covering children, pregnant women and aged people.

Examining Linkage between Dietary Pattern and Crop Diversification: An Evidence from Tamil Nadu