About FAO News Multimedia Main topics Statistics Members Publications

AGRIS - International System for Agricultural Science and Technology

[ Published in: Pollution ]
Advanced Search
Publication Date
1986

Refine search

Results 191-200 of 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.

picea abies population dynamics lecanium dynamique des populations pest insects insecte nuisible 228.9 181.32 saure depositionen contaminacion del aire insectos daninos dinamica de la poblacion ...
ZB MED Nutrition. Environment. Agriculture - Germany
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.

mycorrhizae trockenstress picea abies engrais fertilizers air pollution sequia feinwurzeln 181.351 mykorrhizen vitalitaet saure depositionen contaminacion del aire ...
ZB MED Nutrition. Environment. Agriculture - Germany
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.

picea rubens edad agentes nocivos metabolismo de minerales age facteur nuisible feinwurzeln gewichte elemente konzentrationen schwermetalle contaminacion del aire/ caracteristicas del sitio kombinationswirkungen saure depositionen ...
ZB MED Nutrition. Environment. Agriculture - Germany
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.

sulphur dioxide picea abies agentes nocivos facteur nuisible dioxyde de soufre extraktion photometrie pollution atmospherique/ analyse de tissus dioxido de azufre so2 begasung fichtennadeln gewebe 168 ...
ZB MED Nutrition. Environment. Agriculture - Germany
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.

plant diseases woodlands fernerkundung infrared radiation rayonnement infrarouge computers scanner einsatz baeume reflexionsverhalten bade-wurtemberg/ photogrammetrie baden-wuerttemberg/ photogrammetry edv einsatz befliegung ...
ZB MED Nutrition. Environment. Agriculture - Germany
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.

woodlands air pollution oboe oben offene experimentierkammern saure depositionen contaminacion del aire so2-begasung konstruktionen waldschadenserfassung ...
ZB MED Nutrition. Environment. Agriculture - Germany
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.

cd picea abies zn arthropode cu metales pesados artropodos 114.351 kombinationswirkungen ensayo biologico saure depositionen contaminacion del aire ...
ZB MED Nutrition. Environment. Agriculture - Germany
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)

cerne picea abies elektronenmikroskopie anillo de crecimiento anatomie du bois wood anatomy zellwaende agentes nocivos/ contaminacion del aire 811.12 aceton-extrakt holz zuwachs 811.4 ...
ZB MED Nutrition. Environment. Agriculture - Germany
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.

woodlands fertilizer application humus air pollution soil structure fertilisation (430.1) streu mineralisierung boden duengung melioration saure depositionen contaminacion del aire 114.54 ...
ZB MED Nutrition. Environment. Agriculture - Germany
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)

picea abies agentes nocivos facteur nuisible ozono ozone injurious factors baden-wuerttemberg/ air pollution lutte anti-champignon nadeln vergilbungen sekundaerschaedlinge waldschadenserfassung control de hongos ...
ZB MED Nutrition. Environment. Agriculture - Germany