00460nam a2200133Ia 4500008004100000082001800041100004300059245005700102260008100159300001000240600002200250600002600272650002800298130903s9999    xx            000 0 und d  a631.415.2  P1  aEdited  E.T.Craswell and E.Pushparajah  aManagement of aid soils in the humid tropics of Asia  aCanberrabACIAR and International Board for Soil Research & Managementc2001  a118p.  aCraswell, E.T.,ed  aPushparajah, E.,jt.ed  aSoil science,Acid soils