00480nam a2200169Ia 4500003000400000005001700004008004100021082001300062100002100075245003100096260002900127300001300156650001300169942000700182952010400189999001700293OSt20150430121107.0140224s9999    xx            000 0 und d  a631 J2.4  aNorman, A.G.,ed.  aAdvances in agronomy vol.4  aNew YorkbAcademicc1952  axi,416p.  aAgronomy  cBK  00102udc4070aKSDbKSDd2014-02-24l0o631(047.1)  J2.4p45r2014-02-24 00:00:00w2014-02-24yBK  c91034d91034