The Biodynamic Preparations are an integral part of biodynamic farming and gardening. They can be ordered from the BDAA Office.

Please find below the following downloads giving more details about these unique preparations and how they are used. 

 Biodynamic Preps Info and  Price list   Updated April 2010

Guidelines:

• How to use and apply the BD Spray preps: Horn manure and Horn Silica
  
• How to use and apply the biodynamic compost preparations
  
• How to use and apply the barrel preparation and mausdorf starter
  
• How to use and apply equisetum  / horsetail prep
• Growing & Harvesting the Preparation Herb Plants

Downloads on info about the biodynamic sowing and planting calendar:

• Introduction to using the sowing & planting calendar
  
• How to use the sowing & planting calendar when applying the bd preps etc