TY  - RPRT
TI  - Exchangeable hydrogen explains the pH of spodosol Oa horizons
AU  - D.S. Ross
AU  - R. J. Bartlett
AU  - M.B. David
AU  - G.B. Lawrence
PY  - 1996
DO  - 10.2136/sssaj1996.03615995006000060044x
UR  - https://pubs.usgs.gov/publication/70018080
ID  - 70018080
ER  -