Geomicrobial and biogeochemical properties of soils over the continental United States

14C age, total organic C and total N concentrations, and salt-extractable (K2SO4) soil organic carbon data. Samples were collected from five sites across North America representing seven ecosystem types.

十四碳年代，总有机碳和总氮浓度，以及可被硫酸钾提取的土壤有机碳数据。样本采集自北美五个地点，代表七个生态系统类型。