e4cc7769_he_Merseyside_Skeptics_Society__Mode_of_application
[Biodynamic Preparations] 500 [Contents of the preparation] Cow manure fermented in a cow horn, which is then buried and over-winters in the soil. [Mode of application] 
Sprayed on the soil typically at a rate of 60 g per hectare in 34 litres of water
Biodynamic Whine « The Merseyside Skeptics Society
Mode of application