00424nam a2200133Ia 4500008004100000082002000041100002500061245003300086260003600119300000800155942000700163952010300170999001700273140113s9999    xx            000 0 und d  a631(02)   P2.75  a"Sparks, D. L., ed."  aAdvances in Agronomy -vol.75  a2002bAcademic PresscSan Diago  a251  cBK  00104070aVTLbVTLd2014-01-13l0o631(02)   P2.75pVBK4768r2014-01-13 00:00:00w2014-01-13yBK  c61352d61352