1, meter: road

Rice is one of the important food crops for human beings, with a long history of planting and consumption. Half of the world's population eats rice, mainly in Asia, southern Europe and parts of tropical America and Africa. The total output of rice ranks third in the world, lower than that of corn and wheat, but it can feed a large group of people.

2. Xiaomi: shǔ

Millet, a small miscellaneous grain in China, is an annual grain crop, which is golden yellow when it matures. It is an important food crop in northern China. In Datong and Xinzhou, Shanxi. After peeling millet, it is called yellow rice. This kind of rice is sticky and is one of the raw materials for making zongzi on the Dragon Boat Festival on the fifth day of May. In addition, it is also the raw material for making oil cakes after grinding into flour.

3. Xiaomi: j √.

Also known as millet, it is called millet in the north. Millet is shelled into millet, which is small in size and about 1 mm in diameter. Millet is one of the oldest cultivated crops in the world, which originated from the Yellow River valley in northern China and was the main food crop in ancient China.

Therefore, Xia and Shang Dynasties belong to "millet culture". Millet grows drought-tolerant, and there are many varieties, commonly known as "colorful millet", including white, red, yellow, black, orange, purple millet and sticky millet. The earliest wine in China was also made from millet.

4. Mai: Mai

Wheat is one of the three major cereals, almost all of which can be eaten, and only about one-sixth of which is used as feed. The two river basins are the earliest areas for growing wheat in the world, and China is one of the earliest countries for growing wheat in the world.

It is a cereal crop widely cultivated all over the world. Wheat caryopsis is one of the staple foods of human beings. After grinding into flour, it can be made into bread, steamed bread, biscuits, noodles and other foods, and after fermentation, it can be made into beer, alcohol, white wine (such as vodka) or biomass fuel.

5, beans: dà u

Originated in China, it is cultivated all over China and widely cultivated all over the world. Soybean is one of the important food crops in China, which has been cultivated for 5000 years. It was called glutinous rice in ancient times. Mainly produced in the northeast of China, the seeds are rich in protein. Soybean is most commonly used for making various bean products, extracting soybean oil, brewing soy sauce and extracting protein.

Extended data:

"Five Grains" is spoken in the Spring and Autumn Period and the Warring States Period. "The Analects of Confucius": "The four bodies are not diligent, and the grains are not divided." But there are different explanations. One is millet, millet, wheat and rice. Speaking of millet, millet, wheat, millet, marijuana.

The main difference between these two statements is whether there is rice or hemp. The reason for the inconsistency was that there were more than five kinds of crops at that time, as evidenced by the existence of the theory of "100 grains", "6 grains" and "9 grains", and the varieties of crops were different from place to place.

The popularity of the theory of "five grains" is obviously caused by the influence of five elements. Therefore, generally speaking, grain refers to several major food crops.

According to historical records, the earliest "five grains" cultivation in China appeared in the Shang and Zhou Dynasties. During the Shang and Zhou Dynasties, China was in the prosperous period of slavery society, and the varieties of crops planted by people increased, and the state vigorously supported the development of agriculture. The "well-field system" implements collective labor and improves labor productivity.

During this period, a complete drainage irrigation system appeared, and people began to use manure, green manure and plant ash. These conditions made agriculture develop further in Shang and Zhou Dynasties.

Baidu Encyclopedia-Gu Wu