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Variation du taux de polyphenols dans les aiguilles d' epiceas (Picea abies), presentant differents degres de deperissement.
1986
Contour Ansel D. | Louguet P.
[Studies on the effects and optimizing of liming vitality, nutrient supply and soil quality of Norway spruce and European beech stands]
1986
Fabig, W. (Fraunhofer-Institut fuer Umweltchemie udn Oekotoxikologie, Schmallenberg (Germany, F.R.)) | Kloeppel, H.
[Comparison of vitality of mycorrhizae of differently fertilized areas by means of FDA -(fluoresrine-diacetate) vital fluorine chrome]
1986
Ritter, T. (Tuebingen Univ. (Germany, F.R.). Inst. fuer Biologie) | Kottke, I. | Oberwinkler, F.
[Studies on the restoration of yellow-shooted Norway spruce trees in the Fichtelgebirge with different Mg-fertilizers]
1986
Zech, W. | Kaupenjohannn, M. | Hantschel, R. | Schneider, B.U.
[Possibilities and limits of fertilization for re-stabilizing diseased forest stands]
1986
Isermann, K. (BASF A.G., Limburgerhof (Germany, F.R.). Landwirtschaftliche Versuchsstation)
[The influence of calcium fertilization, mineral fertilization and artificial rain on the soil fauna in Norway spruce forests]
1986
Funke, W. (Ulm Univ. (Germany, F.R.)) | Jans, W.
[Effects of earlier calcium fertilizations in Norway spruce and silver fir stands of red sandstone in the Black Forest]
1986
Aldinger, E. (Freiburg Univ. (Germany, F.R.). Inst. fuer Bodenkunde und Waldernaehrungslehre)
[Studies comparing mycorrhizae in different soil depths fertilized and unfertilized stands]
1986
Haug, I. (Tuebingen Univ. (Germany, F.R.). Lehrstuhl Spezielle Botanik) | Kottke, I. | Oberwinkler, F.
Acidic deposition and its effects on the forests of Nordic Europe
1986
Andersson, F. (Swedish Univ. of Agricultural Sciences, Uppsala (Sweden). Dept. of Ecology and Environmental Research)
The uptake and toxicity of mercury and lead to spruce (Picea abies Karst.) seedlings
1986
Godbold, D.L. (Goettingen Univ. (Germany, F.R.). Forstbotanisches Inst.) | Huettermann, A.