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Результаты 161-170 из 198
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.
Translocation and distribution of 14C-labelled assimilates in 4-year-old Scots pine (Pinus silvestris) and white spruce (Picea abies)
1987
Willenbrink, J. (Koeln Univ. (Germany, F.R.). Botanisches Inst.) | Klein, H. | Schatten, T.
[Effects of eco-toxic heavy metals on young stands of European beech]
1987
Kahle, H. (Bielefeld Univ. (Germany, F.R.). Fakultaet fuer Biologie. Abt. Oekologie) | Breckle, S.W.
Production response to groundwater pollution control
1987
Baker, Brian P.
Plastic pollution in the marine environment
1987
Air pollution control technology | Technikas ochrany ovzduší. English
1987
Bretschneider, Boris | Kurfürst, Jiří