Earth Haven Farm
Earth Haven Farm BLOG
What are Biodynamic Preparations?

There are eight key biodynamic preparations that are used by biodynamic practitioners.  The overall intention of all of these preparations is to enhance and enliven the soil, the compost and the plants to bring forth an increase in vitality, health and nutritional value to the end consumer, be it human, animal or insect.

Biodynamic Spray Preparations

In addition to the compost preparations, several biodynamic preparations are applied as potentized liquid sprays to bring healing, vitality, and sensitivity to the farm and garden. Horn manure (#500) enhances the life of the soil and the relationship between soil and plants, and is made from cow manure buried inside a cow horn during the winter months. Horn silica (#501) increases plant immunity, strengthens photosynthesis, enhances ripening, and is prepared from ground quartz crystals buried in a cow horn over the summer months. Horsetail tea (#508) helps prevent fungal diseases and balances the watery element in plants and soil. Together, the biodynamic spray and compost preparations bring plants into a dynamic relationship with soil, water, air, warmth, and cosmos to help them develop in a healthy and balanced way, access the full spectrum of nutrients they need, and become more resilient to pests, diseases, and extreme climate conditions. 

Biodynamic Compost Preparations

Biodynamic compost is enhanced and enlivened through the use of six preparations made from yarrow, chamomile, stinging nettle, oak bark, dandelion, and valerian (#502, 503, 504, 505, 506, and 507, respectively). Each of these medicinal herbs is transformed through a unique process that brings it into relationship with the animal kingdom, the earth, and the cycle of the year. Bringing these elements together magnifies their healing qualities, fosters the growth of beneficial bacteria and fungi, and creates powerfully concentrated substances to guide the development of the compost. A small quantity of each preparation is added to the compost pile just after it is built, and again after it is turned. Biodynamic preparations strengthen the quality of the compost by stabilizing nitrogen and other nutrients, multiplying microbial diversity, and bringing more sensitivity to the composting process. Biodynamic compost helps attune the soil to the whole farm organism and wider influences while increasing soil life and stable organic matter. Biodynamic compost also brings more carbon into the living realm, helping to restore balance to the climate.

Download the full report here: Biodynamic Preparation Manual.

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