While there are more than 3,000 wine growers in France, less than 3 percent of them are working in biodynamic or natural methods of wine production.While there are more than 3,000 wine growers in France, less than 3 percent of them are working in biodynamic or natural methods of wine production.While there are more than 3,000 wine growers in France, less than 3 percent of them are working in biodynamic or natural methods of wine production.