خيارات البحث
النتائج 181 - 190 من 229
Uptake and localization of nutritive and potentially toxic minerals in ectomycorrhizae of forest trees
1991
Kottke, I. (Tuebingen Univ. (Germany). Inst. fuer Botanik) | Oberwinkler, F.
Investigations on fine roots and mycorrhizae on the ARINUS-plots
1991
Haug, I. (Tuebingen Univ. (Germany). Spezielle Botanik) | Pritsch, K. | Oberwinkler, F.
Soil ciliates as indicators of fundamental changes in forest ecosystems
1991
Lehle, E. (Ulm Univ. (Germany). Abt. Oekologie und Morphologie der Tiere) | Funke, W.
The importance of soil structure for the K-nutrition of Norway spruce stands
1991
Hildebrand, E.E. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg (Germany))
Genetic structures of forest trees with different levels of damage on permanent observation plots on forest decline in Baden-Wuerttemberg
1991
Konnert, M. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Stuttgart (Germany). Abt. Botanik und Standortskunde)
[Diurnal changes in photosynthetic activity of Norway spruce needles: Gas exchange, energy metabolism, and regulation of carbohydrate metabolism]
1991
Einig, W. (Tuebingen Univ. (Germany). Physiologische Oekologie der Pflanzen) | Weidmann, P. | Hampp, R. | Hagg, C. | Rinderle, U. | Lichtenthaler, H.K.
Changes in photosynthetic activity, chlorophyll-fluorescence parameters and pigment content of differently damaged Norway spruces during the vegetation period
1991
Rinderle, U. (Karlsruhe Univ. (Germany). Botanisches Inst.) | Lichtenthaler, H.K.
Immission measurements at Schoellkopf near Freudenstadt
1991
Baumbach, G. (Stuttgart Univ. (Germany). Inst. fuer Verfahrenstechnik und Dampfkesselwesen. Abt. Reinhaltung der Luft) | Baumann, K.
Open-top chamber experiment "Edelmannshof": Determination of biochemical parameters in needles of Norway spruce fumigated with unfiltered or charcoalfiltered air in comparison to untreated trees
1991
Egger, B. (Tuebingen Univ. (Germany). Physiologische Oekologie der Pflanzen) | Braun, C. | Einig, W. | Hampp, R.
Project ARINUS: 5. Element cycling in the control watersheds and fertilizer leading
1991
Brahmer, G. (Freiburg Univ. (Germany). Inst. fuer Bodenkunde und Waldernaehrungslehre) | Feger, K.H. | Zoettl, H.W.