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Generic Materials Search: castings, worm

3 results

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3 items found.

View the OMRI Generic Materials List Glossary in PDF format here.
Click on the arrow or the material name to view more details about each material.

Worm Castings
Allowed
Crop Fertilizers and Soil Amendments
Nonsynthetic
Worm castings made only from feedstock materials shown as ‘Allowed’ and do not contain more than 1x10³ (1,000) MPN fecal coliform per gram sampled and/or more than 3 MPN Salmonella per 4 grams sampled may be used without restriction. If made from raw manure feedstocks, must also show aerobic conditions and a 70-90% moisture level are maintained during production. See other WORM CASTINGS listing.
205.105 & 205.203(c)
Worm Castings
Prohibited
Crop Fertilizers and Soil Amendments
Nonsynthetic
Worm castings made with sewage sludge, synthetic fertilizers, or other prohibited substances used as feedstocks is prohibited. See other WORM CASTINGS listings.
205.105(a) & 205.105(g)
Worm Castings
Allowed with Restrictions
Crop Fertilizers and Soil Amendments
Nonsynthetic
Worm castings made from permitted feedstocks but contain more than 1x10³ (1,000) MPN fecal coliform per gram sampled and/or more than 3 MPN Salmonella per 4 grams sampled are subject to the same restrictions as raw manure. Worm castings made from raw manure feedstocks that do not adequately maintain aerobic conditions or 70-90% moisture level during production are also subjected to the same restrictions as raw manure. See also MANURE – RAW, UNCOMPOSTED; and other WORM CASTINGS listing.
205.203(c)