近年随着经济体制改革和农村经济的发展,我国北方水稻生产发展迅速。地处北方的北京,位置十分优越,温、光资源和肥源充足,技术力量雄厚,尤其是市国管局所属的各国营农场的水稻生产具有较大优势,增产潜力都很大,历年都为首都 In recent years, with the reform of economic system and the development of rural economy, rice production in northern China has developed rapidly. Located in the north of Beijing, the location is very advantageous, adequate temperature and light resources and fertilizer sources, strong technical force, in particular, the state-owned farms owned by the State Bureau of Rice has greater advantages in rice production, yield potential are large, calendar year For the capital