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Résultats 191-200 de 219
Air pollution control in Switzerland. Actual problems, expectations and demands on research
1992
Boehlen, B. (Bundesamt fuer Umwelt, Wald und Landschaft (BUWAL), Berne (Switzerland)) | Leutert, G.
Experiment with exclusion of gaseous pollutants on spruce trees at Edelmannshof
1992
Evers, F.H. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany)) | Hoyer, V. | Schnepf, M. | Seufert, G.
Correlation between shed/discoloration and the mycoflora of Norway spruce needles
1992
Seemann, D. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany))
[Registration and analysis of the effects of air pollutants on forest ecosystems, differentiation of other possible causes for the "new" forest damages (Pt. 2)]
1992
Kaendler, G.
Mycorrhizal types on the ARINUS-plots
1992
Haug, I. (Tuebingen Univ. (Germany). Inst. fuer Botanik, Spezielle Botanik-Mykologie) | Oberwinkler, F.
Biochemical and physiological investigations on Norway spruce. 1. Detection of effects of air pollutants on trees kept in open-top chambers. 2. Analysis of antioxidants in differently damaged trees at the Schoellkopf site (Northern Black Forest)
1992
Manderscheid, R. (Giessen Univ. (Germany). Inst. fuer Pflanzenoekologie) | Jaeger, H.J.
Fog interception in conifers of the Black Forest region
1992
Winkler, P. (Deutscher Wetterdienst, Hamburg (Germany). Meteorologisches Observatorium)
Flushing and growth of cloned Norway spruce (Picea abies (L.) Karst.) after water stress with different nutrition of magnesium
1992
Makkonen-Spiecker, K. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany))
Climatic variation and growth of Norway spruce (Picea abies (L.) Karst.) and Silver fir (Abies alba Mill.) in the Black Forest
1992
Spiecker, H. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany))
Studies on redox components of the thylakoid membrane of spruce trees in open-top chambers
1992
Wild, A. (Mainz Univ. (Germany). Inst. fuer Allgemeine Botanik) | Flammersfeld, U. | Schmieden, U.