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Resultados 201-210 de 229
Revitalization of a spruce tree with typical yellowing symptoms - effects of light exposure and fertilization on biochemical, physiological and structural properties of chloroplasts. Pt.3: Functional and structural changes in the photosynthetic apparatus of yellowing spruce - no effect of Mg fertilization on chlorosis
1996
Siefermann-Harms, D. | Boxler-Baldoma, C. | Diabate, S. | Heumann, H.G. | Hoch, R. | Nagel, E. | Pfuendel, E. | Schneckenburger, H. | Seidel, A. | Strack, S. | Trefz-Malcher, G. | Wilpert, K. von | Zeil, M.
Effect of mineral nutrient supply and light intensity on root growth, root morphology, and nutrient uptake of Norway spruce
1996
Seith, B. | George, E. | Marschner, H.
Relationship between annual and daily radial expansion as well as xylem flow in Norway spruce (Picea abies (L.) Karst.) and weather conditions at the ARINUS sites
1996
Maekinen, H. | Spiecker, H. | Guelpen, M.
Evaporation of a wooded slope at the ARINUS site Schluchsee
1996
Mayer, H. | Fritsch, J.
Project ARINUS: 10. Soil micorbiological and nutritional characterization of the decomposition of spruce needle and fine root litter
1996
Raspe, S. | Lorenz, K. | Feger, K.H. | Zimmermann, L. | Armbruster, M. | Zoettl, H.W.
Deposition of nitrogen in ectomycorrhizae of Norway spruce on NH4+-fertilized sites in the Black Forest, Germany
1996
Beckmann, S. | Kottke, I.
The effect of liming and Mg-fertilization on uptake, transport and final use of calcium and magnesium in conifers. 4: Nutrient flux rates and ecosystem balances
1996
Guelpen, M. | Tuerk, S. | Fink, S.
Carbohydrate metabolism and needle yellowing in Norway spruce
1996
Einig, W.
[Contribution to understanding of the Posidonia oceanica (L.) Delile ecosystem in the Algiers region (Algeria): study of selected segments]
1996
Semroud, R. (Universite des Sciences et de la Technologie Houari Boumediene, Algiers (Algeria). Inst. des Sciences de la Nature)
Physiognomical polar variations of marine phanerogames areas in the marine reserve of miramare (Trieste)
1996
Bressan, G. (Trieste Univ. (Italy). Dipt. di Biologia) | Odorico, R.