[ Publié dans: Pollution ]
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[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.))
ZB MED Nutrition. Environment. Agriculture - Germany
[The role of the State Institute for Ecology, Landscape Development and Forestry Planning of North Rhine-Westphalia in the clarification of the causes of new types of forest dieback]
1987
Schmidt, A. (Landesanstalt fuer Oekologie, Landschaftsentwicklung und Forstplanung des Landes Nordrhein-Westfalen, Recklinghausen (Germany, F.R.))
ZB MED Nutrition. Environment. Agriculture - Germany
[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)
ZB MED Nutrition. Environment. Agriculture - Germany
[The research topic of North Rhine-Westphalia on "air pollution and forest damage". - Research plan for the research programme]
1987
Koeth, I. | Prinz, B.
ZB MED Nutrition. Environment. Agriculture - Germany
[Measurement and experiment station in the forest (MEXFO) -First results of the analyses of precipitation and soil water samples]
1987
Thiele, V. | Specovius, J. | Metzger, F. | Prinz, B.
ZB MED Nutrition. Environment. Agriculture - Germany