Abstract
Results of field experiments designed to determine effects of acid treatment on pine forests are reported. ites were located at Lisselbo and Norrhden, Sweden. Acid treatments of sulphuric acid were combined with fertilizer treatments in order to identify possible effects of acidification on the forests. At the both sites N was found to be a factor limiting forest growth. The application of sulphuric acid resulted in a loss of much of the ground vegetation. No negative effects on the growth of the trees have been detected thus far. Results of lysimeter and soil incubation experiments indicate that even moderate additions of H2SO4 or S on the soil affect soil biological processes, particularly N turnover.
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References
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Tamm, C. O., Nilsson, Å, and Wiklander, G.: 1974, The optimum nutrition experiment Lisselbo. A brief description of an experiment in a young stand of Scots pine. (Pines silvestris L.) (Näringsoptimeringsförsöket Lisselbo. En kort beskrivning av ett försök med växtnäringstillförsel till ung tallskog). — Research Notes, Department of Forest Ecology and Forest Soils, Royal College of Forestry No. 18. Stockholm.
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Tamm, C.O., Wiklander, G. & Popović, B. Effects of application of sulphuric acid to poor pine forests. Water Air Soil Pollut 8, 75–87 (1977). https://doi.org/10.1007/BF00156726
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DOI: https://doi.org/10.1007/BF00156726