Effects of N-immissions on nutrient status and vitality ofPinus sylvestris near a hen-house |
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| Authors: | M Kaupenjohann H Döhler M Bauer |
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| Institution: | (1) Soil Science and Soil Geograpny, University of Bayreuth, P.O. Box 10 12 51, D-8580 Bayreuth, FRG;(2) Department of Agroecology, University of Bayreuth, P.O. Box 10 12 51, D-8580 Bayreuth, FRG;(3) Bayerische Forstliche Versuchs- und Forschungsanstalt, Schellingstr. 14, D-8000 München 40, FRG |
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| Abstract: | Near a hen house (50–600 m), vitality ofPinus sylvestris, N-, P-, K-, Ca-, Mg-contents of the needles, N-, Mg-, K-, Ca- and Al-contents in soil extracts and NH3/NH
4
+
-contents of the air were determined. Damage symptoms occurred when N-immissions hit the canopy directly. In contrast no visible decline of the above ground plant could be observed if N was mainly deposited on the soil. |
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| Keywords: | forest decline nitrogen immission nutrient status Pinus sylvestris |
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