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Результаты 111-120 из 266
Results of long-term sucession of ground-vegetation after fertilization in forest stands of the Northern Black Forest
1989
Schornick, O. (Freiburg Univ. (Germany, F.R.). Inst. fuer Landespflege)
[Main objectives of forest fertilization in Bavaria]
1989
Sauter, U. (Bayerische Forstliche Versuchs- und Forschungsanstalt, Muenchen (Germany, F.R.))
[Effects of liming on seepage water quality. - Results of the Hoegl forest project and from the Upper Palatinate region]
1989
Kreutzer, K. (Muenchen Univ. (Germany, F.R.). Lehrstuhl fuer Bodenkunde) | Schierl, R.
[Effects of a fertilization measure on forest stands and seepage water]
1989
Krebs, A. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Stuttgart (Germany, F.R.). Abt. Botanik und Standortskunde)
[Effect of surface liming in doses suitable for melioration on the pH-value and cation exchange of an acid brown soil on loess]
1989
Meiwes, K.J. (Niedersaechsische Forstliche Versuchsanstalt, Goettingen (Germany, F.R.)) | Beese, F.
[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.
Surface water pollution and its control
1989
Ellis, K. V. | White, G. | Warn, A. E.
Bark beetles and air pollution [also incl. Ips typographus, Pityogenes chalcographus]
1989
Christiansen, E. (Norsk Institutt for Skogforskning, Aas (Norway). Inst. for Skogoekologi)
Microbial activity in forest soils in relation to acid/base and carbon/nitrogen status
1989
Persson, T. | Wiren, A. (Swedish University of Agricultural Scieces, Uppsala (Sweden). Dept. of Ecology and Environmental Research)
Nutrients and structural dynamics of conifer needles in South Sweden 1985-1987
1989
Nihlgaard, B. (Lund University (Sweden). Dep. of Plant Ecology)