"PotassiumTotalElements"@en . _:b10644 . _:b10643 . . _:b10643 . _:b10645 . _:b10645 . _:b10643 . _:b10644 . _:b10645 . _:b10645 . _:b10644 . . _:b10644 . "ISRIC Report 2019/01: Tier 1 and Tier 2 data in the context of the federated Global Soil Information System. Appendix 3"@en . _:b10643 .