00377nam a2200133Ia 4500008004100000082002000041100002100061245003100082260003000113650003300143650002000176650001900196650002800215220204s9999    xx            000 0 und d  a631/635bADV.79  aSparks, Donald L 0aAdvances in agronomy. V.79  aUSAbAcademic Pressc2003  aArbuscular mycorrhizal fungi  aCrop management  aHevea breeding  aSoil quality management