خيارات البحث
النتائج 1 - 10 من 42
[Effects of soil conservation on trees of the city of Hamburg damaged by deicing salt]
1988
Pfeiffer, E. (Hamburg Univ. (Germany, F.R.). Ordinariat fuer Bodenkunde)
[Tree conservation measures from the view of wood biology]
1988
Liese, W. (Hamburg Univ. (Germany, F.R.). Ordinariat fuer Holzbiologie)
[Wood-biological studies on stress symptoms and capability of recovery of urban trees in Hamburg]
1988
Petersen, A. | Eckstein, D.
[Promotion and conservation of natural regeneration of European beech in view of the deposition of air pollutants]
1989
Bressem, U. (Hessische Forstliche Versuchsanstalt, Hann.Muenden (Germany, F.R.). Inst. fuer Forstproduktion und Waldschutz)
[The influence of calcium fertilization, mineral fertilization and artificial rain on the soil fauna in Norway spruce forests]
1986
Funke, W. (Ulm Univ. (Germany, F.R.)) | Jans, W.
The impact of fertilization and site preparation on natural regeneration of declined forest stands in the Black Forest
1989
Littek, T. (Freiburg Univ. (Germany, F.R.). Waldbau-Inst.)
[Identification of damage and economical evaluation of forests damaged by air pollution]
1987
Brabaender, H.D. | Hildebrand, G.
[Effects of pollutant gas compounds on overground plant organs of Norway spruce, silver fir, Scots pine and European beech]
1987
Arndt, U. | Guderian, R.
[Studies on physiological indicators for the evaluation of the amount of damage to Norway spruce]
1988
Naumann, R. (Hamburg Univ. (Germany, F.R.). Inst. fuer Allgemeine Botanik) | Ludewig, M. | Fenner, R. | Lalk, I. | Bigdon, M. | Doerffling, K.
[Microprobe studies on ion exchange and ion uptake of sterile and mycorrhiza inoculated fine roots of Norway spruce]
1988
Kuhn, A.J. (Kernforschungsanlage Juelich G.m.b.H. (Germany, F.R.). Inst. fuer Biologische Informationsverarbeitung) | Schroeder, W.H. | Bauch, J. | Haug, I. | Kottke, I. | Oberwinkler, F.
