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本研究对该市近两年调查获得的2 306个土壤样品的有机质、全氮、有效磷、速效钾等含量数据进行了初步统计分析,并与全国第二次土壤普查数据进行对比分析,旨在摸清该市耕地土壤肥力现状及其变化规律,为开展科学施肥指导和进一步培肥地力提供依据。
In this study, preliminary analysis was made on the data of organic matter, total nitrogen, available phosphorus and available potassium in 2 306 soil samples obtained from the survey in the past two years in this city. The data were compared with the data of the second national soil survey, In ascertaining the status of soil fertility in cultivated land and its variation in the city, to provide a basis for carrying out scientific fertilization guidance and further fertilization of land.