Leaf chlorosis in pedunculate oaks (Quercus robur L.) on calcareous soils resulting from lime-induced manganese/iron-deficiency: soil conditions and physiological reactions

analyse de sol baja sajonia basse saxe calcareous soils carence du sol chlorose chlorosis clorosis deficiencias del suelo fer hierro iron lower saxony manganese manganeso plant tissues quercus robur site factors soil soil deficiencies soil testing sol sol calcaire suelo tejidos vegetales