Miscellaneous grains usually refer to grains and beans other than the five major crops of rice, wheat, corn, soybeans and potato. The main products are: sorghum, millet, buckwheat, oats, barley, millet, millet, barley, amaranth, Broad beans, peas, cowpea, lentils (beans), black beans and so on. It is characterized by short growing season, small planted area, special planting area, low yield, generally rich in nutrients.