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Resultados 171-180 de 233
[Effects and control of long-range transboundary air pollution. Report prepared within the framework of the Convention on Long-range Transboundary Air Pollution]
1994
Review of chlorinated hydrocarbon substances in the African aquatic environment
1994
Osibanjo, O. | Calamari, D. | Kaba, N. | Mbome, I.L. | Naeve, H. | Ochumba, P.B.O. | Saad, M.A.H.
Influence of different nutrient regimes on the regulation of carbon metabolism in Norway spruce seedlings
1994
Wingler, A. (Tuebingen Univ. (Germany). Physiologische Oekologie der Pflanzen) | Einig, W. | Schaeffer, C. | Wallenda, T. | Egger, B. | Schlereth, A. | Hampp, R. | Wallander, H. | Nylund, J.E.
Characterisation of the N-budget of spruce at the experimental sites of ARINUS
1994
Weber, P. (Freiburg Univ. (Germany). Inst. fuer Forstbotanik und Baumphysiologie) | Schneider, S. | Rennberg, H.
Function and repair of the photosynthetic apparatus in spruce with disorders in the supply with nutrients at different light intensities
1994
Godde, D. (Bochum Univ. (Germany))
Soil chemical and -physical factors of mycorrhiza mycel growth. 2: Microscaled morphometric investigations on distribution of hyphae
1994
Schack-Kirchner, H. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany). Abt. Bodenkunde und Waldernaehrung) | Wilpert, K. von | Hoch, R. | Guenther, S. | Hildebrand, E.E.
Investigations into the sulfur pools of typical soils of the ARINUS plots - Effects of experimental ammonium sulfate application on sulfur amounts and species
1994
Prietzel, J. (Muenchen Univ., Freising (Germany). Lehrstuhl fuer Bodenkunde und Standortslehre) | Rehfuess, K.E.
Effects of nutrient supply on root growth, root turnover, and carbohydrate metabolism of trees
1994
Seith, B. (Hohenheim Univ. (Germany). Inst. fuer Pflanzenernaehrung) | George, E. | Marschner, H.
Deposition of nitrogen in ectomycorrhizae of Norway spruce (Picea abies (L.) Karst.) on fertilised and limed sites (ARINUS) in the Black Forest, Germany
1994
Beckmann, S. (Tuebingen Univ. (Germany). Botanisches Inst., Spezielle Botanik, Mykologie und Botanischer Garten) | Kottke, J.
Emissions of N2O, NO and NO2 from soils of spruce stands in the Black Forest 3
1994
Papen, H. (Fraunhofer-Institut fuer Atmosphaerische Umweltforschung, Garmisch-Partenkirchen (Germany)) | Hermann, H. | Nordhaus, R. | Rennenberg, H.