خيارات البحث
النتائج 81 - 90 من 219
Seasonal changes in indole acetic acid content of the cambial region of Norway spruce at the research station "Postturm", forest district Farchau/Ratzeburg, in relation to the degree of forest decline (needle loss) and annual diameter
1992
Scheid, P. (Hamburg Univ. (Germany). Inst. fuer Allgemeine Botanik und Botanischer Garten) | Doerffling, K.
Balance of element supply and element fluxes in the ecosystem compartments of crown, stem, root and soil of a diseased spruce-stand at the forest-site "Postturm"
1992
Rademacher, P. (Goettingen Univ. (Germany). Forschungszentrum Waldoekosysteme) | Ullrich, B. | Michaelis, W.
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.
[Risk assessment of the site of a farm spray center using ecotoxicological and chemical investigations]
1992
Egsmose, M.
[Technical groundwater and water course restoration [Disney Land at Koege Bugt Koege Aa]]
1992
Boesen, C.T. | Lund, E.
[Heavy metals in selected Danish quarternary soils]
1992
Joergensen, N.O. | Skjernaa, L. | Joergensen, P.R.
Annual growth throughout the whole tree during normal and extreme climatic conditions
1992
Krause, C. (Hamburg Univ. (Germany). Ordinariat fuer Holzbiologie) | Eckstein, D.
On the fine structure of mesophyll- and sieve cells in needles from slightly and severely damaged spruce trees (Picea abies (L.) Karst.) of the "Postturm" site Ratzeburg
1992
Schmitt, U. (Bundesforschungsanstalt fuer Forst- und Holzwirtschaft, Hamburg (Germany). Inst. fuer Holzbiologie und Holzschutz) | Kristen, U. | Ruetze, M. | Schultze, R.
Deposition of atmospheric trace substances and associated fluxes in the forest ecosystem
1992
Michaelis, W. (GKSS-Forschungszentrum Geesthacht (Germany). Inst. fuer Physik) | Pepelnik, R. | Theopold, F. | Rademacher, P.
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.