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Heavy metal pollution and state of health of forest trees
1990
Trueby, P. (Freiburg Univ. (Germany, F.R.). Inst. fuer Bodenkunde) | Zoettl, H.W.
ZB MED Nutrition. Environment. Agriculture - Germany
[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.
ZB MED Nutrition. Environment. Agriculture - Germany
[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.
ZB MED Nutrition. Environment. Agriculture - Germany
[Recording of reactive atmospherical trace elements near damaged respectively endangered forest stands (Basis subject: Determination of certain organic trace elements)]
1990
Schilling, M. (Dortmund Univ. (Germany, F.R.). Inst. fuer Spektrochemie und AngewandteSpektroskopie) | Hoffmann, T. | Klockow, D.
ZB MED Nutrition. Environment. Agriculture - Germany
[Studies in open-top-chambers on the resistance behaviour of forest trees and agricultural plant species against ozone, sulphur dioxide and nitrogen dioxide related to the nutrient supply]
1990
Kueppers, K. (Essen Univ. (Germany, F.R.). Inst. fuer Angewandte Botanik) | Henrich, P. | Machovics, A. | Guderian, R.
ZB MED Nutrition. Environment. Agriculture - Germany
[Ion deposition by fog interception in forests of high altitudes]
1990
Winkler, P. (Deutscher Wetterdienst, Hamburg (Germany, F.R.). Meteorologisches Observatorium)
ZB MED Nutrition. Environment. Agriculture - Germany
