Open Soil Spectral Library (OSSL): Sanderman et al., "A Global Soil Spectral Calibration Library." CC BY 4.0. https://soilspectroscopy.org
License: CC BY 4.0
DOI: 10.3133/ds1035Have an unknown? Upload it and match against Soil sample aa76498ad9a16451d99ca2f356eabded and thousands more references with HQI scoring.
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