Themes in Lecture 4
Silica, Feldspar and Mica
The formative tendencies of silica, feldspar and mica on the growth of plants.
Two Streams of Nutrition
Two streams of nourishment – eating and perceiving.
The need for organic manuring.
The Life of the Earth in the Cycle of the Year
So much of agricultural work is attuned to the flowing life of the changing seasons and the cycle of the year.
The Cow as an Animal of Digestion
The cow has an important place in biodynamics, due to its ability to stimulate fertility in the earthly soil.