Agricultural Regionalization Based on Cropping Pattern in Sweta Nadhi Basin, Tamil Nadu

In the present paper the cropping pattern in Sweta Nadhi Basin is outlined, followed by the discussion on the area under individual crops, Bhatia’s method is used for concentration of selected crops, Location Quotient method and for the combination analysis; J.C Weaver’s statistical method of crop combination has been followed.  The diversification index is calculated with the Gibbs-Martin method, six major crops which occupies more than half of the cropped area is considered for crop concentration study.  The cropping pattern of the study area is assessed to understand the proportion of various crops in the study area at a particular point of time, for the year 2009 – 2010, The study is mainly focused on the secondary data collected from the statistical office, the Spatial variation in degree of crop concentration area are found to be the result of the different interaction such as physiographic, climatic, hydrological, socio-economic and technological factors.