Abstract
Seeds and seedlings of five broad-leaved species were separately exposed to simulated acid rain at pH values of 2.0, 3.5, 5.0, and 6.0, or to distilled water (the control). The results showed that seed germination was remarkably inhibited by pH 2.0 treatment for three species. Significant foliar damage, decline in chlorophyll contents, and retardation of the seedlings growth of all the species, were observed at pH 2.0 treatment. The pH 2.0 treatment seemed to be a threshold level for inhibition of seed germination and seedling growth for all the treated species, while seedling was stimulated at pH value between 3.5 and 5.0.
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Houbao, F., Chuanrong, L. Effects of simulated acid rain on seedling emergence and growth of five broad-leaved species. Journal of Forestry Research 10, 83–86 (1999). https://doi.org/10.1007/BF02855532
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DOI: https://doi.org/10.1007/BF02855532