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Resultados 91-100 de 266
The liming of forest soils in Finland
1989
Derome, J. | Paetilae, A. (The Finnish Forest Research Institute, Vanda (Finland))
Monitoring of forest vitality in Norway
1989
Venn, K. | Holen, C.O. (Norsk Institutt for Skogforskning, Aas (Norway). Avd. for Skogoekologi) | Loevseth, T. (Norsk Inst. for Jord- og Skogkartlegging, Aas (Norway))
Effects of long term exposure of ozone on ultrastructure and net photosynthesis of Norway spruce
1989
Sutinen, S. | Wallin, G. | Sellden, G. (Goeteborg Univ. (Sweden). Dep. of Plant Physiology) | Skaerby, L. (Swedish Environmental Research Institute, Goeteborg (Sweden))
Porcelain cups as a source of error in soil acidification studies
1989
Raulund-Rasmussen, K. (Royal Veterinary and Agricultural University, Frederiksberg C (Denmark). Chemistry Dep.)
Effects of ozone on plants in relation to other environmental conditions
1989
Mortensen, L.M. (Norges Landbrukshoegskole, Aas (Norway). Inst. for Hagebruk)
Sulphur content of the epiphytic lichen Hypogymnia physodes as an indicator of atmospheric deposition in Finland
1989
Kubin, E. (Finnish Forest Research Institute, Muhos (Finland). Muhos Research Station)
The role of field experiments in the study of soil mediated effects of air pollution on forest trees
1989
Tamm, C.O. (Swedish University of Agricultural Sciences, Uppsala (Sweden). Dep. of Ecology and Environmental Research)
[Forest damage. Thinning and fertilization of damaged stands of young Norway spruce]
1989
Weber, M. (Muenchen Univ. (Germany, F.R.). Lehrstuhl fuer Waldbau und Forsteinrichtung) | Huber, W.
Regeneration of forests damaged by forest decline
1989
Burschel, P. (Muenchen Univ. (Germany, F.R.). Lehrstuhl fuer Waldbau und Forsteinrichtung) | Binder, F.