[ Publié dans: Pollution ]
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[Chemical soil conditions following the effects of pollutants on the fine root system of our forest trees]
1987
Schuett, P.
ZB MED Nutrition. Environment. Agriculture - Germany
[[Forest] diseases caused by microorganisms]
1987
Nienhaus, F.
ZB MED Nutrition. Environment. Agriculture - Germany
[Identification of damage and economical evaluation of forests damaged by air pollution]
1987
Brabaender, H.D. | Hildebrand, G.
ZB MED Nutrition. Environment. Agriculture - Germany
[Studies on the mycological aspects of forest damages with special regard to the mycorrhizae]
1987
Lelley, J. (Versuchsanstalt fuer Pilzanbau, Krefeld (Germany, F.R.)) | Schmitz, D. | Rieth, C. | Willenborg, A.
ZB MED Nutrition. Environment. Agriculture - Germany
[Measurements of air pollution at the forest measurement stations of North Rhine-Westphalia]
1987
Pfeffer, H.U. (Landesanstalt fuer Immissionsschutz des Landes Nordrhein-Westfalen (LIS), Essen (Germany, F.R.))
ZB MED Nutrition. Environment. Agriculture - Germany