At Liangchengzhen, rice, foxtail millet, broomcorn millet and wheat were grown. The noodles were made from foxtail and broomcorn millet. The millet assemblage at Xinglonggou consists primarily of broomcorn millet. The remains of rice, broomcorn millet, and foxtail millet were discovered at Houli sites. The only domesticate not from Southwest Asia was broomcorn millet, domesticated in East Asia. Over 4,000 years old, the noodles were made from foxtail and broomcorn millet. Both broomcorn and foxtail millet were found at "Xinglonggou 3". The broomcorn millet is described as being in the early stages of domestication. Both broomcorn and foxtail millet were found at the "Xinglonggou 2". The major crops have been cotton, wheat, alfalfa, kafir, milo maize, and broomcorn. Major crops have included corn, wheat, Kaffir corn, broomcorn and alfalfa. Principal crops have included Kaffir corn, broomcorn, wheat, cotton, corn, and alfalfa. Principal crops have included corn, cotton, wheat, broomcorn, Kaffir corn, and oats. The main production has been cotton, wheat, broomcorn, cattle, hogs and poultry. The most important crops have been wheat, cotton and broomcorn.