. _:b16029 . _:b16030 . _:b16028 . "ISRIC Report 2019/01: Tier 1 and Tier 2 data in the context of the federated Global Soil Information System. Appendix 3"@en . _:b16030 . _:b16029 . . _:b16028 . "NitrogenTotal"@en . _:b16028 . _:b16029 . _:b16029 . _:b16030 . _:b16030 . _:b16028 .