خيارات البحث
النتائج 191 - 200 من 218
Population dynamics of small Physokermes hemicryphus (Dalman) in damaged spruce forest stands
1986
Ludwig, W. (Hohenheim Univ. (Germany, F.R.). Landesanstalt fuer Bienenkunde) | Liebig, G.
Comparative investigations of fine root system and the anatomy of mycorrhizae after dry stress and artificial fertilization
1986
Oberwinkler, F. (Tuebingen Univ. (Germany, F.R.). Inst. fuer Biologie) | Kottke, I. | Ritter, T. | Feil, W.
Investigations on the role of macro- and micromineral nutrients and of other elements in the decline of forest trees
1986
Krivan, V. (Ulm Univ. (Germany, F.R.). Sektion Analytik und Hoechstreinigung) | Schaldach, G. | Hausbeck, R. | Luettge, U. | Kreutzer, K.
A micromethod for the determination of sulphite in needle tissue
1986
Keil, R. (Tuebingen Univ. (Germany, F.R.). Inst. fuer Biologie) | Hampp, R. | Ziegler, H.
Development of an inventory technique for damaged forest trees by means of computer aided multi-spectral remote sensing data
1986
Hildebrandt, G. (Freiburg Univ. (Germany, F.R.). Abt. Luftbildmessung und Fernerkundung) | Kadro, A. | Kuntz, S.
A feasibility study on experiments with open top chambers (OTC) to assess the effects of various air pollutants on health and growth of forest trees
1986
Kenk, G. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany, F.R.)) | Gallus, M. | Hungar, U.
Arthropods as accumulative indicators in Norway spruce forest stands
1986
Roth-Holzapfel, M. (Ulm Univ. (Germany, F.R.). Abt. Oekologie und Morphologie der Tiere) | Funke, W.
Structural studies of the cell walls in wood of diseased conifers for estimating the wood quality
1986
Fengel, D. (Muenchen Univ. (Germany, F.R.). Inst. fuer Holzforschung)
Humus alterations related to forest decline with special consideration of fertilization experiments
1986
Babel, U. (Hohenheim Univ., Stuttgart (Germany, F.R.). Inst. fuer Bodenkunde und Standortslehre) | Belotti, E.
Analysis of compositional variation in needles and deciduous leaves of pollution damaged forest trees. Quantitative analysis of terpenes and VOC occurring needles of Picea abies and in forest air
1986
Juettner, F. (Tuebingen Univ. (Germany, F.R.). Inst. fuer Chemische Pflanzenphysiologie)
