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

Organic Management of Flea Beetles

Flea beetles are common garden pests found throughout the Pacific Northwest. Flea beetle feeding on plants in the Brassicaceae and Solanaceae families can scar foliage and potato tubers, leading to reduced marketable yields and potential total crop loss. This publication introduces growers to current organic management options, including cultural control techniques such as trap crops,… Continue reading Organic Management of Flea Beetles

Preventative Practices

Managing weed, insect and disease pests on an organic farm requires addressing potential problems before they arise. Learn more about preventative practices and their role in the organic certification process.

Organic Alternatives for Late Blight Control in Potatoes

New strains of late blight have emerged in recent years, making potato production especially challenging. Several nonchemical options are available for managing this disease, including cultural practices, some varietal resistance, and alternative sprays that discourage disease development.

Disease and Insect Management in Organic Small Grains

This publication introduces the multifaceted comprehensive strategy of weed management used for organic small grain production, combining techniques including crop rotation, sanitation, cultural practices, variety and seed selection and planting, cover crops, tillage, use of organic herbicides, and others.

Weed Management in Organic Small Grains

This publication introduces the multifaceted comprehensive strategy of weed management used for organic small grain production, combining techniques including crop rotation, sanitation, cultural practices, variety and seed selection and planting, cover crops, tillage, use of organic herbicides, and others.

Companion Planting and Botanical Pesticides: Concepts and Resources

Certain plants can benefit others when planted in close proximity or used as botanical pesticides. This publication discusses the scientific and traditional basis for companion planting associations including trap cropping, weed suppression, physical-spatial interactions, and other relationships. It provides a companion planting chart for common herbs, vegetables, and flowers, as well as a listing of… Continue reading Companion Planting and Botanical Pesticides: Concepts and Resources

Organic IPM Field Guide

The idea behind this field guide was to provide a pictorial guide about the concepts of organic IPM and important pests and beneficials. The focus of the document is implementing ecologically-based strategies to prevent pests from becoming a problem in the first place. ATTRA attempted to limit the text to provide only useful take-home’ messages… Continue reading Organic IPM Field Guide