00438nam a2200109Ia 4500082001200000100002000012245012900032260002700161300001000188650003400198710009600232  aRN.0047  aNagarajan, B.S. 0aEnquiry into the changing cropping pattern profiles in selected districts of Tamil Nadu since the advent of green revolution  c1983bICSSR, New Delhi  a167p.  aCROPPING SYSTEMS - TAMIL NADU  aRural Institute, Gandhigram, Centre for Research Extension and Integrated Rural Development