The Bio-Dynamic Treatment of Organic Manures and Composts -It’s Effects on Soil Fertility and Quality of Produce
Notes From a lecture by Ehrenfried Pfeiffer delivered at Pentre, Boncath, Pembrokeshire March 12th 1936
(this text was reconstructed by a member of the audience from rough notes taken at the time. It is therefore very incomplete and the reader’s indulgence is asked) NB This was Barbara Saunders Davies as from her handwriting