Varying depth of sulfidic materials: a challenge to sustainable management - Yli-Halla, Markku; Räty, Mari; Puustinen, M. (Geological Survey of Finland, 2012)
Keywords: Ka; Ys; sulfaattimaat; happamuus; sulfidit; viljelymaa; maaperä; acid sulfate soils; sulfidic materials; agricultural soils