خيارات البحث
النتائج 31 - 40 من 76
Radish (Raphanus sativus L.): a model for studying plant responses to air pollutants and other environmental stresses
1993
Kostka-Rick, R. | Manning, W.J. (Department of Plant Pathology, University of Massachusetts, Amherst, MA 01003 (USA))
Effects of elevated CO(2) concentration on the polyamine levels of field-grown soybean at three O(3) regimes
1991
Kramer, G.F. | Lee, E.H. | Rowland, R.A. | Mulchi, C.L. (Climate Stress Laboratory, USDA-ARS, Beltsville, MD 20705 (USA))
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 Canada's Boreal Shield: implications for the Kyoto Protocol
1998
Brydges, T.G. (39 Elizabeth Street South, Brampton, Ontario, Canada L6Y 1RR2 (Canada))
Effects of elevated O3 and CO2 on chlorophyll fluorescence and gas exchange in Scots pine during the third growing season
1997
Kellomaki, S. | Wang KaiYun (University of Joensuu, Faculty of Forestry, P.O. Box 111, FIN-80101 Joensuu (Finland))
Effects of enhanced O3 and CO2 enrichment on plant characteristics in wheat and corn
1996
Rudorff, B.F.T. | Mulchi, C.L. | Lee, E.H. | Rowland, R. | Pausch, R. (National Institute for Space Research, Remote Sensing Division, C.P. 515, 12201 S.J., Campos, SP (Brazil))
Climate change: potential effects of increased atmospheric carbon dioxide (CO(2)), ozone (O3), and ultraviolet-B (UV-B) radiation on plant diseases
1995
Manning, W.J. | Tiedemann, A. von (Department of Plant Pathology, University of Massachusetts, Amherst, MA 01003-2420 (USA))
Assessment of the impact of rising carbon dioxide and other potential climate changes on vegetation
1994
Baker, J.T. | Allen, L.H. Jr. (Agronomy Department, University of Florida, Gainesville, FL 32611 (USA))
Microbial activity in forest soils in relation to acid/base and carbon/nitrogen status
1989
Persson, T. | Wiren, A. (Swedish University of Agricultural Scieces, Uppsala (Sweden). Dept. of Ecology and Environmental Research)
Environmental pollution and impacts on soils and forests nutrition in North America
1990
Johnson, D.W. (Biological Sciences Center, Reno, NV (USA). Desert Research Inst.) | Ball, J.T.