00339nam a2200097Ia 4500008004100000082001500041100003700056245007500093260006500168300000800233140113s9999    xx            000 0 und d  a631.8   K3  a"Jacob, A. and Uexkull, Von. H."  a"Fertilizer use nutrition and manuring of tropical crops, 3rd edition"  a1963bVerlagsgesellschaftfur Ackervau.mbhcHannover(Germany)  a617