Assessment of analytical method changes of soil organic carbon in the long-term experiment V140, ZALF, Germany

This data set belongs to the long-term experiment V140 (https://doi.org/10.20387/bonares-8fhj-r52g) and includes a series of soil organic carbon data from historical and reanalyzed soil samples from ZALFs institutional soil archive. This kind of data serve to study the impact of analytical method changes in the laboratory over decades on soil organic carbon concentrations. As treatment changes have occurred due to technological advancements, so have analytical soil methods. This may lead to method bias over time and could affect the data basis of LTE for robust interpretation and conclusions if not properly considered. This particular data set aimed to quantify differences in SOC due to several changes (combustion temperature and analytical instruments) conducted for dry combustion method from 1976 to 2008, using the same soil samples from selected treatments of the LTE V140 of ZALF in Germany.