خيارات البحث
النتائج 71 - 80 من 266
[Manganese-, aluminium- and nitrate concentrations in the infiltration water under old Norway spruce stands of the measurement stations of the WDI (Waldbelastung durch Immissionen) study programme of the state of Hesse]
1989
Balazs, A. | Brechtel, H.M.
[Excursion to the main measurement station Grebenau of the Hessian study programme "Forest Effects by Air Pollution"]
1989
Balazs, A. | Boettcher, H.D. | Eichhorn, J. | Hanewald, K. | Siegmund, A. | Riebeling, J.
[Water quality of four small brooks situated in the forest hydrological research area of Krofdorf (Hesse). - An experimental comparison of the catchment basin]
1989
Fuehrer, H.W.
[Substance input in forest ecosystems. - Deposition of precipitation in the open land and in forest stands]
1989
Brechtel, H.M.
[Acid balance of a Norway spruce stand of the Hessian forest district of Witzenhausen]
1989
Balazs, A.
[Spatial and chronological variation of precipitation solved substances in the open land and in Norway spruce stands of Hesse]
1989
Balazs, A.
[Effects of nitrate and sulphate fertilizers on soil-pH and nutrient element supply of Norway spruce and European beech stands]
1989
Liu, J.C. (Freiburg Univ. (Germany, F.R.). Inst. fuer Bodenkunde und Waldernaehrungslehre) | Ende, H.P.
[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)
[Nutrition of Norway spruce in Lower Saxony and first results]
1989
Reemtsma, J.B. (Niedersaechsische Forstliche Versuchsanstalt, Goettingen (Germany, F.R.))
Nutritional aspects of forest soil structure
1989
Hildebrand, E.E. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany, F.R.).)