00450pab a2200157 454500008004000000100002600040245008700066260000900153300001400162362001100176650001200187650001600199650001500215650002800230773003400258180718b2017   xxu||||| |||| 00| 0 eng d  aDevi, P. Indira et al  aPayment for ecosystem services: guaranteed farm income and sustainable agriculture  c2017  ap. 12-14.  a29 Apr  aFarmers  aAgriculture  aEcosystems  aSustainable agriculture  aEconomic and Political Weekly