خيارات البحث
النتائج 181 - 190 من 240
Project ARINUS: 8. Distribution and nutritional status of fine roots following experimental treatments
1994
Raspe, S. (Freiburg Univ. (Germany). Inst. fuer Bodenkunde und Waldernaehrungslehre) | Feger, K.H. | Zoettl, H.W.
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.
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.
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.
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.
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.
Diagnosis of damage to Norway spruce (Picea abies) and silver fir (Abies alba) through visible and biochemical criteria. A comparison of both diagnostic methods on permanent-observation sites in Baden-Wuerttemberg
1994
Schmitt, V. (Mainz Univ. (Germany). Inst. fuer Allgemeine Botanik) | Wild, A.
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.
