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Résultats 41-50 de 219
Transboundary air pollution: effects and control
1986
[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.
[The influence of fertilization measures in forests upon some species of the soil fauna of forest ecosystems]
1986
Kreimes, K. | Thielemann, U.
[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.
[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)
[Alterations in the humus situation in connection with forest diseases with special regard to fertilization experiments]
1986
Babel, U. (Hohenheim Univ., Stuttgart (Germany, F.R.). Inst. fuer Bodenkunde und Standortslehre)
[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.
[Forest fertilization and nitrate stress of seepage-, surface and springwater]
1986
Evers, F.H. (Forstliche Versuchs- und Forschungsanstalt, Freiburg im Breisgau (Germany, F.R.))
[Benefits and risks of forest fertilization with special regard to soil chemistry]
1986
Hildebrand, E.E. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany, F.R.))
