The biodynamic preparations are a specialty of biodynamic agriculture. Rudolf Steiner gave indications for the production and use of six compost preparations and two field spray preparations in the Agriculture Course at Koberwitz in 1924. Since then the biodynamic preparations have been worked with and developed in many different ways all over the world.

The biodynamic preparations in context: Individual approaches to preparation work - Case studies of worldwide practice - scientific report for download in English