عن المنظمة الأخبار الوسائط الإعلامية المتعددة الموضوعات الرئيسية الإحصائيات الأعضاء المطبوعات

أجريس - النظام الدولي للعلوم الزراعية والتكنولوجيا

[ نُشرت في: Pollution ]
بحث متقدّم
تاريخ الإصدار
1986

خيارات البحث

النتائج 181 - 190 من 219

Possible consequences of forest decline. Ecological and political points of view

1986

Niesslein, E. (Freiburg Univ. (Germany, F.R.). Inst. fuer Forstpolitik und Raumordnung) | Tampe-Oloff, M.

forstpolitik ecosystems politique de l'environnement ecosistema wald environmental policies facteur nuisible/ pollution atmospherique politica ambiental saure depositionen foret claire 907.2 181.45 ...
ZB MED Nutrition. Environment. Agriculture - Germany
Measurements of photosynthesis of healthy and damaged trees: search for parameters for early detection of tree damage

1986

Lichtenthaler, H.K. (Karlsruhe Univ. (Germany, F.R.). Botanisches Inst. Lehrstuhl fuer Pflanzenphysiologie) | Schmuck, G. | Nagel, E. | Buschmann, C.

enfermedades de las plantas coniferous forests maladie des plantes air pollution plant diseases pigmentation pigmentacion foret resineuse depositionen fotosintesis/ agentes nocivos pigmente schaedigung photosynthesis/ injurious factors ...
ZB MED Nutrition. Environment. Agriculture - Germany
[Effect-related survey of certain forest damage areas of Baden-Wuerttemberg, regarding air pollution stress, by means of bioindicators (active monitoring of indicator plants)]

1986

Pilgram, C. (Hohenheim Univ., Stuttgart (Germany, F.R.). Inst. fuer Landeskultur und Pflanzenoekologie) | Arndt, U. | Schlueter, C.

ozono sulphur dioxide facteur nuisible dioxyde de soufre agentes nocivos nicotiana tabacum blattnekrosen resistenz dioxido de azufre foret claire (430.1-43.5) bioindikatoren ...
ZB MED Nutrition. Environment. Agriculture - Germany
Tritium based investigations into the water transport and water turnovers in spruce trees

1986

Strack, S. (Kernforschungszentrum Karlsruhe G.m.b.H. (Germany, F.R.). Hauptabteilung Sicherheit) | Unger, H.

radioactivity radiactividad anatomie du bois wood anatomy saftstrom air pollution nadeln vergilbungen bade-wurtemberg/ facteur nuisible baden-wuerttemberg/ injurious factors saure depositionen tritium konzentrationen 812.23 ...
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.

fertilizers drought trockenstress engrais air pollution picea abies bade-wurtemberg/ facteur nuisible feinwurzeln baden-wuerttemberg/ injurious factors saure depositionen secheresse 114.25 ...
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 facteur nuisible dioxyde de soufre agentes nocivos picea abies injurious factors photometrie dioxido de azufre contaminacion del aire/ analisis de tejidos 168 160.26 sulfit nachweis ...
ZB MED Nutrition. Environment. Agriculture - Germany
Investigations on the hormone-balance of healthy and damaged conifers

1986

Frenzel, B. (Hohenheim Univ., Stutgart (Germany, F.R.). Botanisches Inst.) | Christmann, A.

acide abscissique enfermedades de las plantas hormone aba maladie des plantes etileno bade-wurtemberg/ facteur nuisible baden-wuerttemberg/ injurious factors nadeln extrakte 161.4 abscisinsaeuregehalte bestimmung naehrstoffkreislauf ...
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.

air pollution woodlands bade-wurtemberg/ facteur nuisible baden-wuerttemberg/ injurious factors saure depositionen foret claire open-top-chambers (430.1-43.5) ...
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)

growth rings elektronenmikroskopie anillo de crecimiento wood anatomy picea abies cerne facteur nuisible/ pollution atmospherique 811.12 anomalien holzqualitaet immissionen jahrringe ...
ZB MED Nutrition. Environment. Agriculture - Germany
Fluorescence and electron microscopic investigations of the phloem of beech, Norway spruce and silver fir, showing different degrees of damage symptoms

1986

Schulz, A. (Heidelberg Univ. (Germany, F.R.)) | Behnke, H.-D.

fagus enfermedades de las plantas elektronenmikroskopie facteur nuisible agentes nocivos maladie des plantes (430.1-43.6) 444 (430.1-43.5) baden-wuerttemberg/ bavaria 174.7 abies alba 425.1 ...
ZB MED Nutrition. Environment. Agriculture - Germany