近来,在社会主义建设总路线的光辉照耀下,在全国范围内掀起了一个全民办工业的群众性运动,在肥料制造方面,打破了制造化学肥料的神秘观点,地方和乡、社创办的化肥厂有如雨后春笋,用土法制造了各种各样的化肥,在农业上解决了不少问题。土制化肥的优点主要在于:(1)成份较浓, Recently, with the glorious shining of the general line of socialist construction, a mass movement of a state run by the private industry was launched throughout the country. In fertilizer production, the mysterious point of view of chemical fertilizers was broken. Fertilizers factories run by local, There have been springing up, using the soil to create a variety of fertilizers, many problems in agriculture to solve. The main advantages of soil-based chemical fertilizer is: (1)