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Résultats 311-320 de 329
[Studies on the effects and optimization of liming measures von vitality, nutrient supply and soil quality of Norway spruce and European beech stands. The influence of liming on biological and chemical parameters of an acid brown soil site as substrate of Norway spruce]
1990
Koerdel, W. | Kloeppel, H. | Fabig, W. | Kaltz, A.
[Change of vegetation at the alpine timberline]
1990
Blaschke, H. (Muenchen Univ. (Germany, F.R.). Lehrstuhl fuer Forstbotanik) | Dotzler, M. | Kohler, U. | Paul, L. | Mack, P. | Stoelting, R. | Schuett, P.
[Anthrogogenic air pollutants as stress factors of terrestric ecosystems and ways to reduce their damaging effects. Sub programme: effects of lower influences of gaseous pollutants on Norway spruce clones studied in open-top-chambers and in the field]
1990
Debus, R. | Euteneuer-Macher, T.
[Studies on adaption processes of birch populations by means of isoenzyme-marker genes]
1990
Scholz, F. (Bundesforschungsanstalt fuer Forst- und Holzwirtschaft, Grosshansdorf (Germany, F.R.). Inst. fuer Forstgenetik und Forstpflanzenzuechtung) | Geburek, T.
Environmental research with plants in closed chambers
1990
Payer, H. D. | Pfirrmann, T. | Mathy, P. (Pierre)
Point-of-use/entry treatment of drinking water
1990
Air pollution control and waste incineration for hospitals and other medical facilities
1990
Theodore, Louis
Cleanup of petroleum contaminated soils at underground storage tanks
1990
Lyman, Warren J. | Noonan, David C. | Reidy, Patrick J.
Alternative formulations and packaging to reduce use of chlorofluorocarbons (CFCs)
1990
Nelson, T. P. | Wevill, Sharon L.
Air pollution effects on crops and forests, January 1984 - December 1989
1990
Gates, Jane Potter
