根据考古材料,我国种植水稻已有七千多年历史。现在我国人民中有三分之二左右的人口以稻米为主要粮食。全国各省、市、自治区中,除青海、甘肃和内蒙古三个省区外,都有水稻生产。种植水稻的北界已扩展到黑龙江省的漠河,达北纬53度附近。探讨稻作 According to archaeological materials, rice cultivation in our country has been more than 7000 years of history. About two-thirds of our population now have rice as their staple food. All provinces, municipalities and autonomous regions in China have rice production except the three provinces and autonomous regions including Qinghai, Gansu and Inner Mongolia. The northern boundary of rice cultivation has been extended to Mohe in Heilongjiang Province, reaching 53 degrees north latitude. Explore rice