Portuguese Organic Wines

Viticulture that does not rely on industrial synthesized products, such as fertilizers, fungicides, herbicides, pesticides and anything GMO. Instead a use of compost and cover crops are used as preventative measures against diseases. A Bordeaux mixture of sulfur and salt copper sulfate sprays) is used against disease, and they use manual labor rather than machines. Winemaking (fermentation processes) standards vary depending on certification body and country. Some allow minimal sulfur and fining and processing agents from organic sources.