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Resultados 81-90 de 219
Evaluation of the fertilization of an environmentally stressed forest site of spruce with regard to its stabilization
1992
Duenisch, O. (Bundesforschungsanstalt fuer Forst- und Holzwirtschaft, Hamburg (Germany). Inst. fuer Holzbiologie und Holzschutz) | Bauch, J. | Rademacher, P. | Puls, J.
Effects of short-term expositions of cloned Norway spruce with air pollutants (SO2, NO2, O3) in growth chambers
1992
Lalk, I. (Hamburg Univ. (Germany). Inst. fuer Allgemeine Botanik und Botanischer Garten) | Hartmann, A. | Doerffling, K.
Trace organic compounds in the atmosphere at the forest locations "Postturm", Forestry Commission Farchau/Ratzeburg and "Donaustauf" near Regensburg
1992
Figge, K. (NATEC (Inst. fuer Naturwissenschaftlich-Technische Dienste) G.m.b.H., Hamburg (Germany)) | Dommroese, A.M.
Stress physiological investigations of Norway spruce at a stand in northern Germany
1992
Lalk, I. (Hamburg Univ. (Germany). Inst. fuer Allgemeine Botanik und Botanischer Garten) | Naumann, R. | Ludewig, M. | Fenner, R. | Doerffling, K.
Annual growth throughout the whole tree during normal and extreme climatic conditions
1992
Krause, C. (Hamburg Univ. (Germany). Ordinariat fuer Holzbiologie) | Eckstein, D.
Trichloroacetic acid promotes fungual infection of spruce needles
1992
Schell, R. (Hamburg Univ. (Germany). Inst. fuer Allgemeine Botanik) | Kristen, U.
Vitality of mycorrhizas of Norway spruce (Picea abies (L.) Karst.) at different stages of decline in the plot "Postturm", forest district Farchau/Ratzeburg, investigated by fluorescence microscopy
1992
Weber, R. (Tuebingen Univ. (Germany). Botanisches Inst.) | Kottke, I. | Oberwinkler, F.
Stem rot of spruce trees of different vitality at a polluted site in the Farchau forest district, Ratzeburg, FRG
1992
Seehann, G. (Bundesforschungsanstalt fuer Forst- und Holzwirtschaft, Hamburg (Germany). Inst. fuer Holzbiologie und Holzschutz)
Deposition rates of heavy metals in south-eastern Schleswig-Holstein (Germany) and their temporal and spacial trends as investigated by means of moulted goshawk feathers
1992
Ellenberg, H. (Bundesforschungsanstalt fuer Forst- und Holzwirtschaft, Hamburg (Germany). Inst. fuer Weltforstwirtschaft) | Kuehnast, O.
Mycorrhization of Norway spruce in pot cultures
1992
Haug, I. (Tuebingen Univ. (Germany). Botanisches Inst. Spezielle Botanik und Mykologie) | Bauch, H. | Kottke, I.