This important exploration of the preparations is essential reading for biodynamic practitioners. It explores the origins and theory of the preparations, the stages that go into making them, and the effect they have on the soil and plants. Publisher: Floris Books Author(s): Dr Manfred Klett Translator: Bernard Jarman Number of pages: 224 Publication date: 2023 Dimensions: 140 x 216 x 15 Cover type: Paperback / softback