00426nam a2200133Ia 4500008004100000082002000041100002500061245003500086260003600121300000800157942000700165952010300172999001700275140113s9999    xx            000 0 und d  a631(02)   P1.70  a"Sparks, D. L., ed."  aAdvances in Agronomy - vol. 70  a2000bAcademic PresscSan Diago  a369  cBK  00104070aVTLbVTLd2014-01-13l0o631(02)   P1.70pVBK4748r2014-01-13 00:00:00w2014-01-13yBK  c61332d61332