URI: https://soilwise-he.github.io/soil-health#Contamination
https://soilwise-he.github.io/soil-health#Contamination
https://data.geoscience.earth/ncl/ISO11074v2025/3.93
http://opendata.inrae.fr/thesaurusINRAE/c_12482
http://aims.fao.org/aos/agrovoc/c_28317
http://www.eionet.europa.eu/gemet/concept/1752
soil chemical degradation