Populating soil maps with legacy data from a soil testing databases
Résumé
In France, soil test results from samples of cultivated topsoil requested by farmers have been collected to constitute the National Soil Testing database (NSTD). Enriching soil maps with such data can be regarded as an important source of information to build GlobalSoilMap products when dense soil profile information does not exist
We inferred the soil organic carbon content (SOC) distribution within the soil units of a soil map in a central region of France to re-allocated analyses from NSTD
The method is based on a pedological distance between the soil properties (pH, CaCO3 content, cation-exchange capacity, clay content and silt content) of the NSTD and soil
map units mean values of the same parameters
Results showed a consistent spatial distribution of SOC content
Domaines
Sciences du Vivant [q-bio]
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