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Résultats 271-280 de 325
Physical and chemical processes
1990
Baumgartner, D. J. (Donald John) | Duedall, Iver W.
L' etat de la pollution atmospherique transfrontiere. Rapport redige dans le cadre de la Convention sur la pollution atmospherique transfrontiere a longue distance.
1990
Uptake and localization of minerals in ectomycorrhizae of forest trees
1990
Kottke, I. (Tuebingen Univ. (Germany, F.R.). Inst. fuer Botanik, Spezielle Botanik und Mykologie) | Oberwinkler, F.
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.
Reflectance spectra of leaves and needles as basis for the physiological evaluation of tree damage. 3. Outdoor measurements with deciduous and coniferous trees
1990
Buschmann, C. (Karlsruhe Univ. (Germany, F.R.). Botanisches Inst.) | Nagel, E. | Rang, S. | Stober, F.
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.
