_:b10652 . _:b10652 . _:b10651 . _:b10651 . _:b10653 . . _:b10653 . "ISRIC Report 2019/01: Tier 1 and Tier 2 data in the context of the federated Global Soil Information System. Appendix 3"@en . . _:b10651 . "SodiumExtractableElements"@en . _:b10653 . _:b10652 . _:b10652 . _:b10653 . _:b10651 .