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Результаты 81-90 из 266
[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)
Nutritional aspects of forest soil structure
1989
Hildebrand, E.E. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany, F.R.).)
[Experiment on the cultivtion of tree species in the Harz mountains]
1989
Weihs, U. (Goettingen Univ. (Germany, F.R.). Inst. fuer Waldbau)
Several years of experiences with fertilization of declining spruce stands in NE-Bavaria
1989
Kaupenjohann, M. (Bayreuth Univ. (Germany, F.R.). Lehrstuhl fuer Bodenkunde und Bodengeographie) | Zech, W.
[Nutrition of Norway spruce in Lower Saxony and first results]
1989
Reemtsma, J.B. (Niedersaechsische Forstliche Versuchsanstalt, Goettingen (Germany, F.R.))
The state of transboundary air pollution: effects and control
1989
Urban discharges and receiving water quality impacts
1989
Ellis, J. B. (J Bryan)
Contains 17 papers plus two abstracts. Topics covered by the papers include: sources and transport of pollutants in arctic regions; processes of pollutant interaction and movement in hydrochemical or biological systems near or below freezing point and questions of prevention, detection and management of pollution in arctic conditions.
Показать больше [+] Меньше [-]Air pollution injury to vegetation
1989
Taylor, H. J. | Ashmore, M. R. | Bell, J. N. B.
Watershed 89
1989
Wheeler, D. | Richardson, Mervyn | Bridges, J.
