Biodynamic Source
Preparation guides and downloads
Use these printable guides for preparation use, field sprays, tree care, compost work, and product-specific application notes. Start with an overview guide if you are choosing a preparation; use the product sheets when you want the exact printout for something you ordered.
Overview guides
Preparation Use Guide
Two-page overview for BD 500 XP, BD 501 Horn Silica, compost preparations 502-507, BD 508 Horsetail, and Buffalo Soil Activator.
Download Preparation Use Guide
BD Tree Charger Kit Instructions
Full tree-care instructions, including the harmonizing process and preparation placement around the tree.
Download Tree Charger Instructions
Buffalo Soil Activator and Field Spray Instructions
Field-use instructions for Buffalo Soil Activator, including small-acreage and larger-scale application notes.
Download Buffalo Soil Activator Instructions
Individual product sheets
These one-page sheets are made to print or download with a specific product. Specialty sheets are intentionally conservative where final rate and timing guidance still needs confirmation.
Core field and compost products
BD 500 XP
Foundational soil spray for soil life, root development, and fertility.
BD 501 Horn Silica
Atmospheric spray for light, photosynthesis, plant quality, aroma, flavor, and ripening.
Download BD 501 Horn Silica Sheet
BD 502-507 Compost Prep Kit
Compost pile inoculation set with Yarrow, Chamomile, Nettle, Oak, Dandelion, and Valerian.
Download BD 502-507 Compost Prep Kit Sheet
BD 508 Horsetail Herb
Dried horsetail herb for tea preparations and soil or plant-surface application.
Download BD 508 Horsetail Herb Sheet
BD Buffalo Barrel Compost
Barrel compost preparation for soil-health and plant-vitality support.
Download BD Buffalo Barrel Compost Sheet
BD Buffalo Soil Activator
Broad biodynamic soil and field spray for degraded ground, stress, and soil-plant support.
Download BD Buffalo Soil Activator Sheet
Tree Charger Kit
Tree-focused kit with BD 500 XP, BD 501, BD Barrel Compost, and BD 508.
Download Tree Charger Kit Sheet
Specialty product sheets
Summer Horn Clay
Specialty horn clay preparation commonly considered with BD 501 Horn Silica.
Download Summer Horn Clay Sheet
Winter Horn Clay
Specialty horn clay preparation commonly considered with BD 500 XP.
Download Winter Horn Clay Sheet
Horn Azomite
Specialty trace-mineral horn preparation made with ancient volcanic ash.
Horn Basalt
Specialty volcanic basalt horn preparation for micronutrient and soil strategy work.
Horn Zinc
Specialty zinc horn preparation for contexts where zinc support is relevant.
Need help choosing?
If you are unsure which preparation fits the crop, soil, compost, or tree question you are trying to solve, send us a note before applying.