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结果 281-290 的 329
[Investigations on Norway spruce trees in a diseased forest area with exclusion of gaseous pollutants in open-top-chambers]
1990
Hoyer, V. (Hohenheim Univ. (Germany, F.R.). Inst. fuer Landeskultur und Pflanzenoekologie) | Seufert, G. | Roser, S. | Arndt, U.
Atmospheric deposition and mineral cycling in natural forest ecosystems
1990
Buecking, W. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Stuttgart (Germany, F.R.). Abt. Botanik und Standortskunde) | Steinle, R.
[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.))
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.
Project ARINUS: 4. Effects of Kieserite fertilization
1990
Feger, K.H. (Freiburg Univ. (Germany, F.R.). Inst. fuer Bodenkunde und Waldernaehrungslehre) | Zoettl, H.W. | Brahmer, G.
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.
[Studies in open-top-chambers on the resistance behaviour of forest trees and agricultural plant species against ozone, sulphur dioxide and nitrogen dioxide related to the nutrient supply]
1990
Kueppers, K. (Essen Univ. (Germany, F.R.). Inst. fuer Angewandte Botanik) | Henrich, P. | Machovics, A. | Guderian, R.
[Ion deposition by fog interception in forests of high altitudes]
1990
Winkler, P. (Deutscher Wetterdienst, Hamburg (Germany, F.R.). Meteorologisches Observatorium)
[Forest ecosystems near urban areas. Sub project 1.5: Soil biological dynamics of forests effected by air pollution in the municipal area of Berlin (West)]
1990
Weigmann, G. (Berlin Univ. (Germany, F.R.). Inst. fuer Bodenzoologie und Oekologie) | Kratz, W. | Jaeger-Volmer, J. | Kielhorn, U. | Kronshage, J. | Rink, U.