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Resultados 131-140 de 333
Response of a grassland ecosystem to air pollutants. V. A toxicological model for the assessment of dose-response relationships for air pollutants and ecosystems
1998
Dammgen, U. | Grunhage, L. (Federal Agricultural Research Centre Braunschweig, Institute for Agroecology, Bundesallee 50, D-38116 Braunschweig (Germany))
Nitrogen, the Confer-N-s
1998
Manning, W.J. | Dempster, J.P. (eds.) (Department of Microbiology, University of Massachusetts, 203 Morrill Science Center IVN, Box 35720, Amherst, Massachusetts 01003-5720 (USA))
Relative effectiveness of ethylenediurea, and constituent amounts of urea and phenylurea in ethylenediurea, in prevention of ozone injury to tobacco
1998
Godzik, B. | Manning, W.J. (Szafer Institute of Botany, Polish Academy of Sciences, Lubicz Street 46, 31-512 Krakow (Poland))
Ozone levels in Chongqing: a potential threat to crop plants commonly grown in the region?
1998
Zheng, Y. | Stevenson, K.J. | Barrowcliffe, R. | Chen, S. | Wang, H. | Barnes, J.D. (Air Pollution Laboratory, Department of Agricultural and Environmental Science, Ridley Building, The University, Newcastle Upon Tyne NE1 7RU (United Kingdom))
Urban woodlands: their role in reducing the effects of particulate pollution
1998
Beckett, K.P. | Freer-Smith, P.H. | Taylor, G. (School of Biological Sciences, University of Sussex, Falmer, Brighton, East Sussex BN1 9QG (United Kingdom))
Trends in needle and soil chemistry of Norway spruce and Scots pine stands in South Sweden 1985-1994
1998
Thelin, G. | Rosengren-Brinck, U. | Nihlgard, B. | Barkman, A. (Forest Ecology, Department of Plant Ecology, Ecology Building, Lund University, S-223 62 Lund (Sweden))
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))
Nitrogen saturation experiments (NITREX) in coniferous forest ecosystems in Europe: a summary of results
1998
Tietema, A. | Boxman, A.W. | Bredemeier, M. | Emmett, B.A. | Moldan, F. | Gundersen, P. | Schleppi, P. | Wright, R.F. (University of Amsterdam, Netherlands Centre for Geo-Ecological Research, Nieuwe Prinsengracht 130, NL1018 VZ Amsterdam (Netherlands))
The relationship between nitrogen deposition, species composition and foliar nitrogen concentrations in woodland flora in the vicinity of livestock farms
1998
Pitcairn, C.E.R. | Leith, I.D. | Sheppard, L.J. | Sutton, M.A. | Fowler, D. | Munro, R.C. | Tang, S. | Wilson, D. (Institute of Terrestrial Ecology, Bush Estate, Penicuik, Midlothian, EH26 0QB (United Kingdom))
Seasonal variability and mitigation options for N2O emissions from differently managed grasslands
1998
Kammann, C. | Grunhage, L. | Muller, C. | Jacobi, S. | Jager, H.J. (Institute for Plant Ecology, University of Giessen, Heinrich-Buff-Ring 38, D-35392 Giessen, Germany)
