The National List of Allowed and Prohibited Substances

The National List of Allowed and Prohibited Substances identifies generic substances that may and may not be used in organic crop and livestock production. It also lists the substances that may be used in or on processed organic products.

Organic Materials Review Institute

The Organic Materials Review Institute (OMRI) supports organic integrity by developing clear information and guidance about materials, so that producers know which products are appropriate for organic operations. OMRI is a 501(c)(3) nonprofit organization that provides an independent review of products, such as fertilizers, pest controls, livestock health care products, and numerous other inputs that… Continue reading Organic Materials Review Institute

Commonly Used Organic Inputs

Participants will learn about the basic regulations governing inputs used in organic production, including identifying types of products that need more thorough evaluation for compliance. Emphasis will be placed on reviewing the most common inputs used in organic production, especially for fertility and pest control. Participants will have an activity to look at a label… Continue reading Commonly Used Organic Inputs