00499nam a2200157Ia 4500008004100000082002100041100002500062245002500087260004700112300001500159600002900174650001300203942000700216952010100223999001700324140224s9999    xx            000 0 und d  a631(047.1) P6.90  aSparks, Donald L.,ed  aAdvances in agronomy  aAmsterdambElsevier / Academic Pressc2006  av.90,307p.  aEdited  Donald L. Sparks  aAgronomy  cBK  00104070aKSDbKSDd2014-02-24l0o631(047.1) P6.90p6443r2014-02-24 00:00:00w2014-02-24yBK  c91016d91016