有机肥料的历史,几乎与人类文明史同步。它培肥着土壤,养育了作物,使人类得以繁衍生息。任何国家的施肥制度都是从施用有机肥料开始的。自十九世纪中叶化学肥料问世之后,其生产消费量急剧增长,到本世纪七十年代,大有完全取代有机肥料之势,发达国家施用的化肥实物每亩地高达几百公斤,我国平均用量也超过40公斤,河北省平均用量为35公 The history of organic fertilizers is almost synchronized with the history of human civilization. It fertilizes soil and nurtures crops so that humans can flourish. Fertilization systems in any country start with the application of organic fertilizers. Since the mid-nineteenth century after the advent of chemical fertilizers, its production and consumption increased sharply. By the seventies of this century, it completely replaced the trend of organic fertilizers. In developed countries, up to several hundred kilograms of chemical fertilizers were used per acre. China’s average consumption Also more than 40 kilograms, Hebei Province, the average amount of 35 public