خيارات البحث
النتائج 91 - 100 من 266
[Effects of liming and fertilization measures on soils and trees]
1989
Beese, F. (Gesellschaft fuer Strahlen- und Umweltforschung m.b.H., Neuherberg (Germany, F.R.). Inst. fuer Bodenoekologie)
Effects of Mg-fertilizers on growth and elemental contents of fine roots in declining SO2-polluted Norway spruce stands in the Fichtelgebirge (NE-Bavaria)
1989
Schneider, B.U. (Bayreuth Univ. (Germany, F.R.). Lehrstuhl fuer Bodenkunde) | Zech, W.
[Promotion and conservation of natural regeneration of European beech in view of the deposition of air pollutants]
1989
Bressem, U. (Hessische Forstliche Versuchsanstalt, Hann.Muenden (Germany, F.R.). Inst. fuer Forstproduktion und Waldschutz)
[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.
Regeneration of forests damaged by forest decline
1989
Burschel, P. (Muenchen Univ. (Germany, F.R.). Lehrstuhl fuer Waldbau und Forsteinrichtung) | Binder, F.
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.
اظهر المزيد [+] اقل [-]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.
Plant stress from air pollution
1989
Treshow, Michael | Anderson, Franklin K.
