A preliminary Study on the Influence of Cd and Pb on Photosynthesis of Wood Plants

Abstract

Abstract: In this study,the photosynthesis intensity of five tested wood plants is decreased but no injured symtoms are found when treated with 20 ppm of CdCl₂ or 500 ppm of Pb(NO₃)₂.The decrease of photosynthesis intensity of wood plants polluted by Cd and Pb is related to their tolerance towards heavy metals,which is increased in the order:Persica davidiana,Ailanthusaltissima<Syringa oblata,Fraxinus rhynchophylla<Elaeagnus angustifolia.The influence of CdCl₂ is larger than that of Pb(NO₃)₂。

Key words: Methane, Flux, Seasonal variation, Soil Eh

Huang Huiyi, Zhang Chunxing, Zhang Youbiao. A preliminary Study on the Influence of Cd and Pb on Photosynthesis of Wood Plants[J]. cje, 1986, (2): 6-9.

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A preliminary Study on the Influence of Cd and Pb on Photosynthesis of Wood Plants

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