The fruit of rice is thick, and the rice without glume is called brown rice, which can be obtained by grinding the rice bran layer. Nearly half of the world's population lives on rice. In addition to being edible, rice can also be used as industrial raw materials for wine making and sugar making, and rice husk and straw can be used as feed.

The main rice producing areas in China are Northeast China, Yangtze River Basin and Pearl River Basin. Belonging to direct cash crops. It is also the staple food of one third of mankind in the world. It is also the main organic food for southerners.

Millet refers to the peeled millet after burial. It was originally domesticated by wild Setaria viridis and became a food crop. This feat of "domestication" is the first time in China. The planting of Su was initiated by China people. According to the latest archaeological data, the earliest cultivated millet discovered in the world was unearthed at the Cishan site in Wu 'an City, Hebei Province, China, about 7300 years ago.

Rice growth cycle

The growth cycle of early rice is about two to three months, and that of late rice is about seven to eight months. In the process of rice planting, it is necessary to spray decomposed farmyard manure to promote plant growth, provide sufficient sunshine for rice, keep leaves green, and spray imidacloprid to eliminate pests.

The life of rice goes through two stages: vegetative growth and reproductive growth, and the shortest growth period of rice is three to four months. Among them, the vegetative growth period mainly includes seedling stage and tillering stage.

Seedling stage refers to the period from seed germination to seedling emergence. Tillering stage refers to seedling transplanting to jointing stage. After transplanting, the root system needs 5-7 days to be damaged, so that the aboveground part can resume growth and the root system can germinate new roots. This period is called turning green.

Baidu Encyclopedia-Rice