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Generic Materials Search: aerated, and, animal, compost, invessel, materials, or, pile, plant, static

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 Tea
Allowed with Restrictions
Crop Fertilizers and Soil Amendments, Crop Pest, Weed, and Disease Control
Nonsynthetic
Compost tea used as a fertilizer or soil amendment is subject to the same restrictions as raw, uncomposted manure. It may only be (i) applied to land used for a crop not intended for human consumption; (ii) incorporated into the soil not less than 120 days prior to the harvest of a product whose edible portion has direct contact with the soil surface or soil particles; or (iii) incorporated into the soil not less than 90 days prior to the harvest of a product whose edible portion does not have direct contact with the soil surface or soil particles. See also MANURE – RAW, UNCOMPOSTED; COMPOST – IN-VESSEL OR STATIC AERATED PILE (PLANT AND ANIMAL MATERIALS); COMPOST TEA; and MANURE TEA. Compost tea made on the farm may be used to suppress the spread of disease organisms. Compost tea sold for disease suppression must comply with all pesticide regulations. See Glossary for definition of "compost tea."
205.203(c) & 205.206(d)(2)
Compost – in-vessel or static aerated pile (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 3 days using an in-vessel or static aerated pile system. 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 Glossary for definition of "compost."
205.203(c)(2)(i) & (ii) Composted plant and animal materials.