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Resultados 181-190 de 266
[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)
[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.
Regeneration of forests damaged by forest decline
1989
Burschel, P. (Muenchen Univ. (Germany, F.R.). Lehrstuhl fuer Waldbau und Forsteinrichtung) | Binder, F.
[Studies on effect and optimization of liming measures on vitality, nutrient supply and soil quality of Norway spruce and European beech stands in two sites of the Hochsauerland]
1989
Oldiges, H. (Fraunhofer-Institut fuer Umweltchemie und Oekotoxikologie, Schmallenberg-Grafschaft (Germany, F.R.))
Mg dynamics in fertilized acid forest soils: Effects of fertilizer anions
1989
Kaupenjohann, M. (Bayreuth Univ. (Germany, F.R.). Lehrstuhl fuer Bodenkunde und Bodengeographie) | Zech, W.
[The influence of forest fertilization on the fructification of mykorrhiza fungi and its effect to the nitrogen mineralization fungal by fruits on small forest sites]
1989
Mueller, C. (Tuebingen Univ. (Germany, F.R.). Fakultaet fuer Biologie) | Oberwinkler, 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.
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)
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.)
