Author: Eckstein, Oskar, et al.
Title: Kennzeichen Des Kalimangels; Signes de Manque de Potasse; Potash Deficiency Symptoms
Description: 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. .

Keywords: Potash Nutrition Food Agriculture