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Resultados 111-120 de 266
[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.
Handbook of limnology & water pollution | Handbook of limnology and water pollution
1989
Das, S. M. (Shailendra Mohan)
Air pollution and forest decline
1989
Bucher, Jürg B. | Bucher-Wallin, Inga
Proven profits from pollution prevention
1986-1989
Huisingh, Donald | Martin, Lawrence R.
Pesticides and PCBs in oysters from Mazatlan, Sinaloa, Mexico
1989
Martin, M. | Gutierrez-Galindo, E. (California Department of Fish and Game, Marine Pollution Studies Laboratory, Monterey, CA 93940 (USA))
The state of transboundary air pollution: effects and control
1989
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)
Nutrients and structural dynamics of conifer needles in South Sweden 1985-1987
1989
Nihlgaard, B. (Lund University (Sweden). Dep. of Plant Ecology)
Effects of crown decline on increment in Norway spruce (Picea abies (L.) Karst) in southern Sweden
1989
Bjoerkdahl, G. | Eriksson, H. (Swedish Univ. of Agricultural Sciences, Garpenberg (Sweden). Dep. of Forest Yield Research)