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Résultats 121-130 de 266
Air pollution and forest decline
1989
Bucher, Jürg B. | Bucher-Wallin, Inga
Proven profits from pollution prevention
1986-1989
Huisingh, Donald | Martin, Lawrence R.
Surface water pollution and its control
1989
Ellis, K. V. | White, G. | Warn, A. E.
[Effects of gaseous air pollutants and acid precipitation on forest trees: biochemical and physiological effect determination]
1989
Bender, J. (Bundesforschungsanstalt fuer Landwirtschaft, Braunschweig (Germany, F.R.). Inst. fuer Produktions- und Oekotoxikologie) | Jaeger, H.J.
[Studies on the fine root biology of Norway spruce (Picea abies (L.) Karst.) in the field and after controlled fumigation with No2, O3 and SO2]
1989
Blaschke, H. (Muenchen Univ. (Germany, F.R.). Lehrstuhl fuer Forstbotanik)
[Studies on the chronical effect of gaseous and soluted substances on young fir, Norway spruce and beech trees in model ecosystems]
1989
Seufert, G. (Hohenheim Univ. (Germany, F.R.). Inst. fuer Landeskultur und Pflanzenoekologie) | Arndt, U.
[Structural changes of silver fir and Norway spruce needles following fumigation experiments]
1989
Ruetze, M. (Bundesforschungsanstalt fuer Forst- und Holzwirtschaft, Hamburg (Germany, F.R.). Inst. fuer Holzbiologie und Holzschutz) | Schmitt, U. | Liese, W.
[Studies on the combination effect of sulphur dioxide, nitrogen oxide and ozone of forest trees]
1989
Guderian, R. (Essen Univ. Gesamthochschule (Germany, F.R.). Inst. fuer Angewandte Botanik) | Klumpp, G. | Klumpp, A. | Kueppers, K.
[Effects of virus infections on forest trees under stress of air pollutants (SO2 and O3 applications)]
1989
Nienhaus, F. (Bonn Univ. (Germany, F.R.). Inst. fuer Pflanzenkrankheiten)
Air pollution research and development needs
1989
