Elaeis guineensis but since 2007, Indonesia has been the world's largest producer, supplying approximately 50% of world palm oil volume. Worldwide palm oil production for season 2011/2012 was 50.3 million metric tons, increasing to 52.3 million tons for 2012/13. In 2010/2011, total production of palm kernels was 12.6 million tonnes. The Urhobo people of Nigeria use the extract to make Amiedi soup. Key scientific journals publishing on oil palms and related topics include: The social and environmental impacts of oil palm cultivation is a highly controversial topic. Oil palm is a valuable economic crop and provides a major source of employment. It
Smithfield Foods 1999 it bought two of the largest pig producers in the United States: Carroll's Foods and Murphy Family Farms of North Carolina, at that point the largest producer. According to agricultural researchers Jill Hobbs and Linda Young, Smithfield's purchase of these companies constituted a "major structural change" in the hog industry in the United States, leaving Smithfield in control of 10–15 percent of the country's hog production. Farmland Foods of Kansas City was added in 2003, as were Sara Lee's European Meats, ConAgra Foods Refrigerated Meats, Butterball (the poultry producer), and Premium Standard Farms in 2007. Smithfield sold its 49