ExpO N&C
- Hazel Straker contribution to the 93 conference
- Cosmic Material
- Mineral Fertilizers
The conversation between Dr Steiner and Dr Streicher: Artificial fertilisers can be used. It is today even necessary to use artificial fertilisers but the salts given to the soil have to be selected very carefully … Never N … Mg and S above all … add poisons to them (digitalis) at a 10% extract … use in Spring