Ehrenfried Pfeiffer

Ehrenfried Pfeiffer Ehrenfried Pfeiffer (19 February 1899 – 30 November 1961) was a German scientist, soil scientist, leading advocate of biodynamic agriculture, anthroposophist and student of Rudolf Steiner. Provided by Wikipedia
Showing 1 - 3 results of 3 for search 'Pfeiffer, Ehrenfried, 1899-1961', query time: 0.14s Refine Results
  1. 1
    Soil fertility, renewal & preservation ; bio-dynamic farming and gardening /
    Book
  2. 2
    Anleitung fur die Kompostfabrikation aus stadtischen und industriellen Abfallen.
    Book
  3. 3
    Weeds and what they tell us /
    Book
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