Mullaressursside määratlemise baas: erinevus redaktsioonide vahel
Eemaldatud sisu Lisatud sisu
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208. rida:
* IUSS Working Group WRB: World Reference Base for Soil Resources 2014, Update 2015. World Soil Resources Reports 106, FAO, Rome 2015. ISBN 978-92-5-108369-7. ([http://www.fao.org/3/i3794en/I3794en.pdf PDF] 2,3 MB).
* W.E.H. Blum, P. Schad, S. Nortcliff: Essentials of Soil Science. Soil formation, functions, use and classification (World Reference Base, WRB). Borntraeger Science Publishers, Stuttgart 2018. ISBN 978-3-443-01090-4.
* H.-P. Blume, P. Schad: 90 Years of Soil Classification of the IUSS. IUSS Bulletin 126, 38-45, 2015 ([https://www.iuss.
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