Biodynamic agriculture—it’s magic!

How to combat agricultural pests according to the precepts of biodynamic agriculture:

Field mice are to be countered by deploying ashes prepared from field mice skin when Venus is in the Scorpius constellation.

Besides sympathetic magic, as above, the biodynamic magicians also use homeopathy, which is another form of magic. (Homeopathy is the magic art of taking a small bottle of water or sugar pills and selling it at a price as though for actual medicine—a mark-up of supernatural proportions.)