Soil bulk density, stone fraction, soil organic carbon stock, national soil carbon inventory, agricultural mineral soil, Alfisols, Inceptisols, Cambisols, Arenosols
National soil survey, Soil Organic Carbon, perennial crops, ploughing, straw incorporation, stock changes
Carbon modelling, process-based models, R package, independent validation
ẟ13C fractionation, SOC dynamics, carbon turnover, stable carbon isotopes, carbon cycling, C-free media
