00410    a2200145   4500020001500000082001600015100002100031245004000052260005400092300001900146440004700165650001700212700001700229700001800246  a0521311349  a631.41bCRE  aCresser, Malcolm  aSoil chemistry and its applications  aCambridgebCambridge University Pressc1993g1993  axi,192p.c23cm  aCambridge environmental chemistry series 5  aSoil Science  aKillham, Ken  aEdwards, Tony