خيارات البحث
النتائج 181 - 190 من 219
Uptake and localization of nutritive and potentially toxic minerals in ectomykorrhizas of forest trees
1992
Kottke, I. (Tuebingen Univ. (Germany). Inst. fuer Botanik, Spezielle Botanik-Mykologie) | Oberwinkler, F.
Soil chemical results from the PEF-measuring plot "Schoellkopf"
1992
Wilpert, K. von (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany)) | Hildebrand, E.E.
The dependence of the success of natural regeneration on upper soil conditions and degree of acidity in declined forest stands of the Black Forest
1992
Littek, T. (Freiburg Univ. (Germany). Waldbau-Institut)
Project ARINUS: 6. Nitrogen turnover and effects of the experimental treatment
1992
Feger, K.H. (Freiburg Univ. (Germany). Inst. fuer Bodenkunde und Waldernaehrungslehre) | Brahmer, G. | Zoettl, H.W.
CO2-gas-exchange and transpiration of open grown Norway spruce during the year in higher elevations of the Southern Black Forest under local air conditions with and without O3 respectively
1992
Abetz, P. (Freiburg Univ. (Germany). Inst. fuer Waldwachstum) | Kuenstle, E. | Wolfart, A.
Gas exchange and metabolite pools of the carbohydrate and energy metabolism in needles of spruce with different decline symptoms (diurnal and annual changes)
1992
Einig, W. (Tuebingen Univ. (Germany). Botanisches Inst. Abt. Physiologische Oekologie der Pflanzen) | Groschupp, C. | Zimmer-Rinderle, U. | Egger, B. | Hampp, R. | Lichtenthaler, H.K.
Air pollution control in Switzerland. Actual problems, expectations and demands on research
1992
Boehlen, B. (Bundesamt fuer Umwelt, Wald und Landschaft (BUWAL), Berne (Switzerland)) | Leutert, G.
Experiment with exclusion of gaseous pollutants on spruce trees at Edelmannshof
1992
Evers, F.H. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany)) | Hoyer, V. | Schnepf, M. | Seufert, G.
Correlation between shed/discoloration and the mycoflora of Norway spruce needles
1992
Seemann, D. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany))
Mycorrhizal types on the ARINUS-plots
1992
Haug, I. (Tuebingen Univ. (Germany). Inst. fuer Botanik, Spezielle Botanik-Mykologie) | Oberwinkler, F.