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Результаты 151-160 из 198
[Release and characteriszation of mobile Al-species]
1987
Schmid, S. (Fraunhofer-Institut fuer Umweltchemie und Oekotoxikologie, Schmallenberg (Germany, F.R.)) | Kloeppel, H.
[Silicon as chemical indicator of the double attack of air pollutants on forests? New results of needle and soil analyses conducted during intromission-ecological forest state registration]
1987
Knabe, W. (Landesanstalt fuer Oekologie, Landschaftsentwicklung und Forstplanung des Landes Nordrhein-Westfalen, Recklinghausen (Germany, F.R.))
[Experiments on the vitalization and revival of diseased Norway spruce stands by inoculation of mycorrhizae]
1987
Lelley, J. (Versuchsanstalt fuer Pilzbau, Krefeld (Germany, F.R.)) | Wuestenhoefer, B. | Boeckem, H.
Natural gas applications for air pollution control
1987
Hay, Nelson E.
Pollution control instrumentation for oil and effluents
1987
Parker, H. D. | Pitt, G. D.
Ribulose-1,5-bisphosphate carboxylase and glutamine synthetase activity levels in mature Norway spruce (Picea abies) as depending on needle age and air pollution induced impairment of the trees
1987
Weidner, M. (Koeln Univ. (Germany, F.R.). Botanisches Inst.) | Engel, B. | Kraus, M.
[The role of the State Institute for Protection against Air Pollution of North Rhine-Westphalia in the clarification of the causes of new types of forest dieback]
1987
Stratmann, H. (Landesanstalt fuer Immissionsschutz des Landes Nordrhein-Westfalen, Essen (Germany, F.R.))
[Studies on the natural regeneration of European beech in North Rhine-Westphalia]
1987
Roehrig, E. (Goettingen Univ. (Germany, F.R.). Inst. fuer Waldbau)
[Studies on the virus contamination in young forest plantations and regional research stands in North Rhine-Westphalia]
1987
Niehaus, F. (Bonn Univ. (Germany, F.R.). Inst. fuer Pflanzenkrankheiten)
[Small RNAs [ribonucleic acid] of damaged and healthy forest trees]
1987
Riesner, D. (Duesseldorf Univ. (Germany, F.R.). Inst. fuer Physikalische Biologie) | Koester, S. | Beuther, E. | Loss, P.