00279nam a2200097Ia 4500008004100000082002000041100003000061245004600091260003600137300000800173140113s9999    xx            000 0 und d  a363.738'74   P7  a"Mengel, K. & Kirkby, E."  aPrinciples of Plant Nutrition 5th edition  a2006bSpringer IndiacNew Delhi  a849