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Résultats 41-50 de 218
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.
[Studies on re-stabilizing measures in forests injured by air pollution in the Southern Taunus]
1986
Krieter, M. (Mainz Univ. (Germany, F.R.). Geographisches Inst. Umweltforschungsstation)
[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.
[Restabilizing measures, fertilization. Final evaluation - further research requirements]
1986
Evers, F.H.
[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)
