我省氮肥生产工业兴起于1958年,到目前全省共有44个企业,分布在42个市、县,其中中型厂1个,生产能力为12万吨;小型厂43个,生产能力为42万吨,合计生产能力54万吨,潜在能力为62万吨(见表1)。近年来,实际产量为44万吨,占全国合成氨产 The nitrogen fertilizer production industry of our province emerged in 1958. At present, there are 44 enterprises in the whole province, which are distributed in 42 cities and counties, including 1 medium-sized plant with a production capacity of 120,000 tons; 43 small factories with a production capacity of 420,000. Tons, with a total production capacity of 540,000 tons, and a potential capacity of 620,000 tons (see Table 1). In recent years, the actual output is 440,000 tons, accounting for the national production of ammonia