Generic Materials Search: biodynamic preparations

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View the OMRI Generic Materials List Glossary in PDF format here.
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Biodynamic Preparations
Allowed
Crop Management Tools and Production Aids
Nonsynthetic
Includes horn manure spray (500) horn silica (501), yarrow flowers (502), chamomile (503), stinging nettle (504), oak bark (505), dandelion (506), valerian (507), and horsetail (equisetum) spray (508).
205.105(a)