00517pab a2200157 454500008004000000100001700040245009700057260000900154300001500163362001200178650004700190650003700237650002000274700002000294773004500314180718b2014   xxu||||| |||| 00| 0 eng d  aGrover, D.K.  aChanging climate pattern and its impact on paddy productivity in Ludhiana district of Punjab  c2014  ap.150-162.  aJan-Mar  aAgricultural productivity - India - Punjab  aClimatic change - India - Punjab  aClimatic change  aUpadhya, Deepak  aIndian Journal of Agricultural Economics