It depends on the region, rice varieties, planting methods and management. For example, the yield per mu in high-yield fields is about 1200- 1600 kg, and that in low-yield fields is about 600-700 kg.
Rice introduction
Rice is an annual aquatic herb with erect culms and a height of 0.5 ~ 1.5m, which varies with varieties, with loose leaf sheaths and no hair. The ligule is lanceolate, with a length of 10~25 cm, extending to the edge of the lower leaf sheath at the base of both sides, and there are two sickle-shaped auricles supporting the stem.
Rice can be divided into indica rice and japonica rice. Indica rice is produced in Guangdong, Guangxi, Yunnan, Hainan, Fujian and low altitude areas south of Qinling Mountains, and has the habit of heat and light tolerance. Altitude 1800 m is the upper limit of indica rice subspecies distribution.
Japonica rice is mainly produced in the Yellow River Basin, North China and Northeast China of China. The south is distributed above 1800 meters above sea level, which is relatively cold-tolerant, and is a subspecies developed for mid-latitude and higher altitude areas.