The crops you mentioned are all green. Rice, barley, sorghum, millet and corn are monocotyledonous plants. Except corn, they have long and narrow leaves with heading at the top, male flowers at the top and heading at the waist. Rice is planted in paddy fields, and others are dry land crops. Rice and barley are very similar, with a height of 1.2-4M. Rice sown in spring, harvested in summer and sown in autumn in Jiangnan. Wheat is planted in winter and harvested in summer.

Red beans, mung beans and soybeans are all dicotyledonous plants, each leaf has three leaflets, and the three kinds of beans are also very similar. Red beans are ripe yellow, beans inside are red, and mung beans are ripe black. Everyone has eaten the soybean clip, and it is yellow when cooked, and the seeds are yellow.