1, corn pinyin: yùmǐ.

2, corn (ZeamaysL.) is an annual herbaceous plant in the grass family. It is also known as bracteate, bracteate stick, corn, pearl rice and so on. Native to Central and South America, it is an important food crop in the world, widely distributed in the United States, China, Brazil and other countries.

Compared with traditional grain crops such as rice and wheat, corn has strong drought tolerance, cold tolerance, barrenness and excellent environmental adaptability. With its high nutritional value, corn is an excellent grain crop. As a high-yield grain crop in China, corn is an important source of feed for animal husbandry, aquaculture, aquaculture, etc., as well as one of the indispensable raw materials for food, health care, light industry and chemical industry. As corn resources are extremely rich, cheap and easy to obtain, they also have many biological activities, such as antioxidant, antitumor, hypoglycemic, improve immunity and antibacterial and bactericidal, etc., which has a broad development and application prospects.

In August 2018, the Ministry of Finance, the Ministry of Agriculture and Rural Development, and the Banking and Insurance Regulatory Commission (BIRC) issued a circular to include corn crop seed production in the catalog of agricultural insurance premium subsidies from the central government.In 2018, China's corn production was 257.33 million tons.

As of October 2020, the average price of spot corn peaked at more than 2,600 yuan per ton, a new high in nearly four years. Corn starch prices rose to around 2,900 yuan per ton, up more than 30%.