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Результаты 71-80 из 266
[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.
[Evaluation of the buffer capacity of forest catchment basins in North Hesse based on brook water quality]
1989
Balazs, A. | Brechtel, H.M. | Elrod, J.
[Spatial and chronological variation of precipitation solved substances in the open land and in Norway spruce stands of Hesse]
1989
Balazs, A.
Simulation of effects of atmospheric ethylene on tree leaf shedding
1989
Sawada, S. | Hazama, Y. | Hayakawa, T. (Department of Biology, Faculty of Science, Hirosaki University, Hirosaki 036 (Japan))
Pollution management in industries
1989
Trivedy, R. K.
Effects of simulated rain acidity on ectomycorrhizae of red spruce seedlings potted in natural soil
1989
Meier, S. | Robarge, W.P. | Bruck, R.I. | Grand, L.F. (Department of Plant Pathology, North Carolina State University, Raleigh, NC 27695-7616 (USA))
The impact of fertilization and site preparation on natural regeneration of declined forest stands in the Black Forest
1989
Littek, T. (Freiburg Univ. (Germany, F.R.). Waldbau-Inst.)
[The Fichtelgebirge - natural position - forest damage -forest regeneration programme]
1989
Koch, H.
First results with calcined magnesite, magnesium hydroxide and Geosan in declining, chlorotic Norway spruce stands (NE-Bavaria)
1989
Schaaf, W. (Bayreuth Univ. (Germany, F.R.). Lehrstuhl fuer Bodenkunde und Bodengeographie) | Zech, W.
[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.
