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Bio-dynamic farming and gardening : soil fertility renewal and preservation /

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Bibliographic Details
Main Author: Pfeiffer, Ehrenfried
Other Authors: Heckel, Fredrick
Format: Book
Language:English
German
Published: New York : London : Anthroposophic Press; Rudoff Steiner Publishing Co., 1938.
Subjects:
Soils.
Fertilizers.
Description
Physical Description:vii pages, 2 ., 220 pages : illustrations, diagrams ; 22 cm.
Bibliography:Bibliography: pages 217-220.