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Complete set (500–508 + barrel compost)
Set of all the biodynamic field spray and fertiliser preparations, including barrel compost and horsetail preparation
1 set of compost preparations 502-506
1x valerian preparation 507
1x horn manure preparation 500
1x horn silica preparation 501
1x barrel compost after Maria Thun
1 x horsetail preparation 508
The biodynamic calendar and knowledge about the preparations can be found at dyyna.bio