00509pab a2200157 454500008004000000100002100040245012200061260000900183300001500192362000800207650003700215650004400252650001200296650001900308773002400327180718b2010   xxu||||| |||| 00| 0 eng d  aReddy, B. Suresh  aFarmers' perception of soil fertility management in semi-arid regions an empirical analysis: A case of Andhra Pradesh  c2010  ap.105-122.  aDec  aFarmers - India - Andhra Pradesh  aSoil fertility - India - Andhra Pradesh  aFarmers  aSoil fertility  aMan and Development