Wine Grape Growing
Glossary
O
OMRI. The Organic Materials Review Institute (OMRI) is a national nonprofit organization that determines which input products are allowed for use in organic production and processing. OMRI Listed, or approved, products may be used on operations that are certified organic under the USDA National Organic Program.
ORGANIC MATTER. This consists of the residues of plants and animals and their secretions and excretions.
