Wash salt pork, and place in a 10-quart Dutch oven. Add water, onions, and pepper pod; bring to a boil. Reduce heat, and simmer 2 hours or until meat is tender.
Add turnip greens and salt to Dutch oven; bring to a boil. Cover; reduce heat and simmer 2 hours or until turnip greens are tender. Drain, reserving pot likker to serve over turnip greens, if desired. Remove pepper pod; discard.