Agriculture course : the birth of the biodynamic method : eight lectures given in Koberwitz, Silesia, between 7 and 16 June 1924 /
Steiner, Rudolf,1861-1925.
Forest Row : Rudolf Steiner Press,
2004, c1958.
Originally published in German under the title Geisteswissenschaftliche grundlagen zum gedeihen der landwirtschaft (volume 327 in the Rudolf Steiner Gesamtausgabe or Collected works) by Rudolf Steiner Verlag, Dornach, 1958.
Includes index.
Agriculture.
Organic farming.