1. OxSR::data_cary
    Diffuse soil reflectance via Cary equipment
    csv| xlsx| json| ndjson| rda| rds
    tbl_df|5417 x 50
  2. OxSR::soil_refle
    Diffuse reflectance of soils from Brazil
    csv| xlsx| json| ndjson| rda| rds
    tbl_df|4241 x 24