http://w4r7ow7g7qj2mpbjqfoqgjzl442caal62mi3wcml7rwdsyfahydh2zqd.onion/course/7649/rudolf-steiners-biodynamics
Going beyond the rudiments of biology, the authors demonstrate that the inherent life force woven through all plants, stones, soil, water, and air is central to our survival, and our relationship to the soil is of vital importance to our future.