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本文通过介绍美国土壤调查及成果应用、测土配方施肥、化验室质量控制及技术推广的情况,以艾奥瓦州为例,重点介绍了美国测土配方施肥工作中以速度快、效率高、服务能力强为特点的先进的容量法取样、联合浸提、自动加液、批量化操作和自动化分析等一系列先进的技术手段,探讨了土肥技术研究与推广工作中所采用的先进技术和方法,并结合中国在土壤肥料管理与建设等方面的实际,提出了加强中国耕地质量建设投入、完善耕地质量和肥料管理立法、大力推进测土配方施肥工作、加强人员培训、提高土肥队伍综合素质等对策建议。
In this paper, by introducing the application of soil survey and its application in the United States, soil testing and formula fertilization, laboratory quality control and technology popularization, taking Iowa as an example, this paper mainly introduced the application of soil testing and fertilization in the United States in terms of speed, high efficiency, Service capacity of the advanced features of the volumetric sampling, combined with leaching, automatic dosing, batch operations and automated analysis and a series of advanced technical means to explore the soil fertilizers research and promotion of advanced technologies and methods used , Combined with China’s actuality in the management and construction of soil and fertilizer, put forward suggestions to strengthen the construction of China’s arable land quality, improve the quality of arable land and fertilizer management legislation, vigorously promote soil testing and fertilizer application, strengthen personnel training and improve the overall quality of soil and fertilizer team Suggestions.