If, despite all efforts with the following, there is still the need to use external inputs, make sure that they are approved according to the International Demeter Biodynamic Standard prior to use.
- diversified crop rotation
- sufficient biodiversity
- good biodynamic compost management
- intensive use of the biodynamic preparations
Manufacturers of such inputs can find information about the product registration procedure and related costs under the following link: registration
The approved inputs list is produced in cooperation with FIBL Germany.