Kennzeichen des Kalimangels; signes de manque de potasse; potash deficiency Symptoms
1937 · Berlin
by Eckstein, Oskar, et al.
Berlin: Verlagsgesellschaft für Ackerbau, 1937. 2e Auflage. xii, 234 [1]p., b/w text illus., 54 colored plates, 3/4 leather with decorative boards. Text and captions in German, French and English. (Inventory #: 043095)