00425nam a2200133Ia 4500008004100000082002300041100002500064245003400089260003000123300000800153942000700161952010600168999001700274140113s9999    xx            000 0 und d  a631(02)    P10.106  a"Sparks, D. L., ed."  aAdvances in Agronomy -vol.106  a2010bElseviercAmsterdam  a212  cBK  00104070aVTLbVTLd2014-01-13l0o631(02)    P10.106pVBK5031r2014-01-13 00:00:00w2014-01-13yBK  c61615d61615