This label is an add-on to the USDA Organic label with additional stipulations for environmental quality, animal welfare and worker welfare. To earn the certification, farms with the ROC Silver certification must initially manage at least 50 percent of all farmland in accordance with the ROC standards and earn 50 percent of their revenue from products that meet the standards. Within 5 years of earning ROC Silver certification, 75 percent of the farm must be managed in accordance with ROC Silver Standards
For explanations of some of these technical terms, like “rotational grazing” or “sewage sludge fertilizers,” please visit our glossary.