When will the northeast rice be harvested?

September-10 is the harvest period of rice in Northeast China. The northeast rice-growing area is located in Liaodong Peninsula, north of the Great Wall and east of Daxing 'anling, including most areas of Heilongjiang, Jilin and Liaoning provinces and northeast Inner Mongolia. Among them, the area of rice in Liaohe Plain of Liaoning Province is the largest, about 700 1000 mu, and the yield per mu of rice field reaches 500 kg. The intersection of Songhua River, Heilongjiang River and Wusuli River is the core rice producing area in Northeast China.

Rice is a cereal crop of Oryza, and its representative species is rice. Rice is native to China and India. The ancestors of the Yangtze River valley in China planted rice 7,000 years ago. Rice is divided into indica rice and japonica rice, early rice and middle and late rice, glutinous rice and non-glutinous rice according to rice type.

Rice is divided into conventional rice and hybrid rice according to the way of seed retention. There are other classifications, which are divided into rice and floating rice according to whether there is soilless culture or not; According to the life cycle, it is divided into seasonal rice and "lazy rice" (new year ratooning rice); According to the height, it is divided into ordinary rice and giant rice about 2 meters; According to salt tolerance and alkalinity, it can be divided into ordinary polished rice and "sea rice" (in fact, it is mainly fresh water).