Effects of ozone on birch (Betula pendula Roth.) clones

Saplings of five birch clones (Betula pendula Roth.) were exposed to ozone doses 1.2-1.7 x higher than the ambient under field conditions during growing seasons 1991-1993. The clones were also fumigated with 40 ppb - 150 ppb ozone in three chamber experiments. The effects of nitrogen supply on ozone...

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Veröffentlicht in:Water, air and soil pollution air and soil pollution, 1995-01, Vol.85 (3), p.1331-1336
Hauptverfasser: PÄÄKKÖNEN, E, HOLOPAINEN, T, KÄRENLAMPI, L
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Sprache:eng
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