论文部分内容阅读
介绍美国农业广泛采用的推荐施肥（或称测土施肥）技术的具体方法和推荐施肥用的掺混肥料。我国应结合具体条件改进化肥生产，提高科学施肥的水平。
This article introduces the specific methods of recommending fertilization (or soil testing and fertilization) widely used in U.S. agriculture and the compost fertilizer for recommending fertilization. China should improve fertilizer production with specific conditions and improve the level of scientific fertilization.