00500nam a2200157Ia 4500008004100000082002100041100002600062245003300088260003000121300001500151600002900166650002200195942000700217952010100224999001700325140224s9999    xx            000 0 und d  a631(047.1) P7.92  aSparks, Donald L.,ed.  aAdvances in agronomy vol. 92  aAmsterdambElsevierc2007  av92, 246p.  aEdited  Donald L. Sparks  aAdvances,Agronomy  cBK  00104070aKSDbKSDd2014-02-24l0o631(047.1) P7.92p6467r2014-02-24 00:00:00w2014-02-24yBK  c91030d91030