Farmers plant red turnip seeds in a field in Dali County, Northwest China's Shaanxi Province on Monday. The county's growing areas for red turnips, which have been approved for geographical indications protection for agricultural production, total 150,000 mu. As a main source of income for local farmers, turnip crops' yield per mu is near 2,500 kilograms with total sales hitting 500 million kilograms. Photo: cnsphoto