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Résultats 41-50 de 97
The yellowing process and its prevention by artificial shading
1994
Siefermann-Harms, D. (Karlsruhe Univ. (Germany). Botanisches Inst.) | Weinmann, C. | Schneckenburger, H. | Heumann, H.G. | Seidel, A.
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.
Growth and activity of mycorrhizas in connection to nutrients, water and oxygen in soil. 2: Growth of plants and mycelia in the microcosms
1994
Kottke, I. (Tuebingen Univ. (Germany). Botanisches Inst., Spezielle Botanik und Mykologie) | Leontovykova, J.
Project ARINUS: 5. Element cycling in the control watersheds and fertilizer leading
1991
Brahmer, G. (Freiburg Univ. (Germany). Inst. fuer Bodenkunde und Waldernaehrungslehre) | Feger, K.H. | Zoettl, H.W.
Investigations on fine roots and mycorrhizae on the ARINUS-plots
1991
Haug, I. (Tuebingen Univ. (Germany). Spezielle Botanik) | Pritsch, K. | Oberwinkler, F.
