"Stickstoffdüngung" . . "Zink" . . . . "Nährstoffgehalt" . . "Feldversuch" . . "Eisen" . . "Weizenanbau" . . "Weizen" . . . . . . . . . . "Iron and zinc translocation from senescent leaves to grains of wheat (Triticum aestivum cv. Akteur)in response to nitrogen fertilization and citric acid application" . . . . . . . . "Iron and zinc translocation from senescent leaves to grains of wheat (Triticum aestivum cv. Akteur) in response to nitrogen fertilization and citric acid application" . .