Bio-dynamic farming and gardening
Subtitle: soil fertility, renewal and preservation
By: [by] Dr. Ehrenfried Pfeiffer; with 18 illustrations.
Contributors: Heckel, Fredrick, tr.
Publisher: Anthroposophic press
Published: 1940
Place of publication: New York
Language: eng
Number of pages: 240
Subjects: Soils.; Fertilizers.
Other titles: Soil fertility, renewal and preservation.
Notes: Bibliography: p. 237-240.
"Second revised and enlarged edition 1940."
Translated from the German by Fred Heckel. of 1st ed., 1938.