00427nam a2200133Ia 4500008004100000082002100041100002500062245003400087260003600121300000800157942000700165952010400172999001700276140113s9999    xx            000 0 und d  a631(02)   P8.100  a"Sparks, D. L., ed."  aAdvances in Agronomy -vol 100  a2008bAcademic PresscAmsterdam  a255  cBK  00104070aVTLbVTLd2014-01-13l0o631(02)   P8.100pVBK4913r2014-01-13 00:00:00w2014-01-13yBK  c61497d61497