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Resultados 181-190 de 347
Nitrate in nature: product of soil cover
1998
Bielek, P. (Soil Fertility Research Institute, Gagarinova 10, 827 13 Bratislava (Czech Republic))
Modelling the spatial distribution of agricultural ammonia emissions in the UK
1998
Dragosits, U. | Sutton, M.A. | Place, C.J. | Bayley, A.A. (Institute of Terrestrial Ecology, Bush Estate, Penicuik, Midlothian EH26 0QB, Scotland (United Kingdom))
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))
Computer-aided model system N-PROG for estimating the requirements of nitrogen, crop yields and post-harvest nitrogen residues with respect to ecological parameters, economic and crop management factors
1998
Schoop, P. (Institute of Crop Science and Plant Breeding, Christian-Albrechts-University, Kiel (Germany))
Experience with the replication of regional survey of soil pollution
1998
Meuli, R. | Schulin, R. | Webster, R. (ETH Zurich, Institute for Terrestrial Ecology, Grabenstrasse 3, 8952 Schlieren (Switzerland))
Polychlorinated biphenyl and polycyclic aromatic hydrocarbon deposition to and exchange at the air-water interface of Esthwaite Water, a small lake in Cumbria, UK
1998
Gevao, B. | Hamilton-Taylor, J. | Jones, K.C. (Environmental Science Department, Institute of Environmental and Natural Sciences, Lancaster University, Lancaster LA1 4YQ (United Kingdom))
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))
Leaching of nitrate from agriculture to groundwater: the effect of policies and measures in the Netherlands
1998
Oenema, O. | Boers, P.C.M. | Eerdt, M.M. van | Fraters, B. | Meer, H.G. van der | Roest, C.W.J. | Schroder, J.J. | Willems, W.J. (AB-DLO, P.O. Box 14, 6700 AA Wageningen (Netherlands))
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))
Power-station contributions to local concentrations of NO2 at ground level
1998
Webb, A.H. | Hunter, G.C. (National Power PLC, Swindon (United Kingdom))
