خيارات البحث
النتائج 1 - 8 من 8
Changes in phytomass and nutrient partitioning in young conifers in extreme alkaline growth conditions
1999
Mandre, M. | Kloseiko, J. | Ots, K. | Tuulmets, L. (Estonian Agricultural University, Forest Research Institute, Department of Ecophysiology, Viljandi mnt.18b, Tallinn 11216 (Estonia))
Growth, respiration and nitrogen content in needles of Scots pine exposed to elevated ozone and carbon dioxide in the field
1998
Kellomaki, S. | Wang KaiYun (Faculty of Forestry, University of Joensuu, PO Box 111, FIN-80101 Joensuu (Finland))
Nitrogen deposition in Swiss forests and its possible relevance for leaf nutrient status, parasite attacks and soil acidification
1998
Fluckiger, W. | Braun, S. (Institute for Applied Plant Biology, CH-4124 Schonenbuch (Switzerland))
Water, nutrient and pollutant budgets in damaged Norway spruce stands in NE-Bavaria (F.R.G.) and their changes after different fertilization treatments
1990
Hantschel, R. (Bayreuth Univ. (Germany). Inst. of Soil Science and Soil Geography) | Kaupenjohann, M. | Horn, R. | Zech, W.
Solute concentrations and fluxes of major nutrients in potted red spruce saplings exposed to simulated acid rain treatments
1990
Sherman, R.E. (Cornell Univ., Ithaca, NY (USA). Dept. of Natural Resources) | Fahey, T.J.
Carbohydrate metabolism and needle yellowing in Norway spruce
1996
Einig, W.
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.
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.
