خيارات البحث
النتائج 1 - 10 من 15
[Effects of SO2 on the development of the root system of Norway spruce (Picea abies Karst.) in the Ore Mountains]
1990
Mauer, O. | Palatova, E.
Changes of plant hormone levels in conifers subjected to immissions
1990
Frenzel, B. (Hohenheim Univ. (Germany, F.R.). Inst. fuer Botanik) | Christmann, A.
Histological and histochemical investigations on the nutrient dynamics in forest trees with regard to the "New-type forest decline". 3. Localization studies
1990
Fink, S. (Tuebingen Univ. (Germany, F.R.). Inst. fuer Biologie. Abt. Biochemie der Pflanzen)
Comparative physiological and biochemical investigations of spruce trees damaged by immissions in context with forest decline in the Northern Black Forest
1990
Wild, A. (Mainz Univ. (Germany, F.R.). Inst. fuer Allgemeine Botanik) | Forschner, W.
Detection of damages of trees with time resolved luminescence
1990
Schneckenburger, H. (Fachhochschule Aalen (Germany, F.R.)) | Schmidt, W.
Photosynthetic activity, chlorophyll-fluorescence parameters and pigment content of differently damaged Norway spruces at the Schoellkopf (Northern Black Forest)
1990
Lichtenthaler, H.K. (Karlsruhe Univ. (Germany, F.R.). Botanisches Inst.) | Rinderle, U. | Burkart, S. | Hak, R.
On the actual and former growth of Norway spruce in the Black Forest and Swabian Alb regions
1990
Kenk, G. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany, F.R.)) | Diener, G. | Spiecker, H.
Effects of K, Mg and N-fertilization on fine roots and mycorrhizae
1990
Haug, I. (Tuebingen Univ. (Germany, F.R.). Inst. fuer Spezielle Botanik und Mykologie) | Oberwinkler, F.
[The importance of soil structure for the K-nutrition of Norway spruce stands]
1990
Hildebrand, E.E. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany, F.R.))
Heavy metal pollution and state of health of forest trees
1990
Trueby, P. (Freiburg Univ. (Germany, F.R.). Inst. fuer Bodenkunde) | Zoettl, H.W.