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Biodynamic Preparations

BD #500(X) Pre-Potentized Horn Manure (BD Spray Preparation)

BD #500 stimulates seed germination, root growth and humus formation. Use when planting, transplanting, or turning in cover crops.

How to use BD #500(X)
Stir vigorously for 20 minutes. Spray to soil immediately. Best results are achieved when used periodically throughout the season. One unit is enough for up to one acre when stirred properly.


For additional information, visit: JPI Preparation Articles ; Instruction Handouts

Additional Article: BD #500: Reflections on Making BD #500



Associative Contract deadline has been extended to April 31st!

We will be extending the deadline for applying for an Associative Contract with JPI. We have heard from our biodynamic community that during this crisis,  more time is needed for this service. Click this popup to continue to our Associative Contract page.