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Generic Materials Search: and, animal, compost, materials, other, plant

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.

Compost Tea
Prohibited
Crop Fertilizers and Soil Amendments
Nonsynthetic
Compost tea or extract that uses sewage sludge, prohibited synthetic nutrient sources, or other prohibited materials is prohibited. See COMPOST – IN-VESSEL OR STATIC AERATED PILE (PLANT AND ANIMAL MATERIALS); COMPOST TEA – RESTRICTED; MANURE – RAW, UNCOMPOSTED and MANURE TEA. See Glossary for definition of "compost tea."
205.105(g) & 205.203(c)(e)
Compost – other (plant and animal materials)
Allowed
Crop Fertilizers and Soil Amendments
Nonsynthetic
Compost is acceptable if (i) made from only allowed feedstock materials; (ii) the compost undergoes an increase in temperature to at least 131ºF (55ºC) and remains there for a minimum of 3 days; and (iii) the compost pile is mixed or managed to ensure that all of the feedstock heats to the minimum temperature for the minimum time. Compost must not contain more than 1x10³ (1,000) MPN fecal coliform per gram of compost sampled and must not contain more than 3 MPN Salmonella per 4 grams of compost sampled. This does not include Compost Tea. See other COMPOST listings. See Glossary for definition of "compost."
205.203(c)(2)
Compost – windrow (plant and animal materials)
Allowed
Crop Fertilizers and Soil Amendments
Nonsynthetic
Plant and animal materials are composted through a process that establishes an initial C:N ratio of between 25:1 and 40:1 and maintains a temperature of between 131°F and 170°F for 15 days, during which period the composting materials must be turned a minimum of five times. Acceptable feedstocks include, but are not limited to, animal manure, by-products of agricultural commodities processing, and source-separated yard debris or "clean green." Compost must not contain more than 1x10³ (1,000) MPN fecal coliform per gram of compost sampled and must not contain more than 3 MPN Salmonella per 4 grams of compost sampled. See also MICROBIAL PRODUCTS for information on compost starters, other COMPOST listings, SEWAGE SLUDGE, and MUSHROOM COMPOST. See Glossary for definition of "compost."
205.203(c)(2)(i) & (iii) Composted plant and animal materials.