2017-2021年农业面源和重金属污染检测技术设备研发及标准研制沈阳和潍坊地区样品测试数据库

该资源来自中国科学院沈阳应用生态研究所，依托“沈阳市沈北新区兴隆台农业产业园”和“潍坊现代农业与生态环境研究院”开展的土壤有效态氮磷提取以及有效性验证实验，包含水提取态氮、磷数据，硫酸钾提取态氮数据，柠檬酸-草酸提取态磷数据、提取条件（浓度、提取时间、固液比）对氮磷提取效率影响的数据、以及上述提取方法得到的氮、磷与传统有效态氮、磷的相关性信息，可为农田有效态氮、磷的提取和面源污染综合防治提供养分阈值方面的科学依据或技术优先指导。

This dataset is derived from experiments on soil available nitrogen and phosphorus extraction and validity verification conducted by the Institute of Applied Ecology, Chinese Academy of Sciences, which was supported by two platforms: Xinglongtai Agricultural Industrial Park in Shenbei New District, Shenyang City, and Weifang Modern Agriculture and Ecological Environment Research Institute. It contains data on water-extractable nitrogen and phosphorus, potassium sulfate-extractable nitrogen, citric acid-oxalic acid-extractable phosphorus, data regarding the impacts of extraction parameters (including concentration, extraction duration, and solid-liquid ratio) on the extraction efficiency of nitrogen and phosphorus, as well as the correlation analysis results between nitrogen and phosphorus measured via the aforementioned extraction methods and traditional available nitrogen and phosphorus. This dataset can provide scientific basis or technical priority guidance for establishing nutrient thresholds in farmland available nitrogen and phosphorus extraction and the comprehensive prevention and control of agricultural non-point source pollution.