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During the 1990s the emissions of SO 2 fell dramatically by about 90% in the Czech Republic; the measured throughfall deposition of sulphur to a spruce forest at Načetín in the Ore Mts. decreased from almost 50 kg ha −1 in 1994 to 15 kg ha −1 in 2005. The throughfall flux of Ca decreased from 17 kg ha −1 in 1994 to 9 kg ha −1 in 2005; no change was observed...
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