خيارات البحث
النتائج 151 - 160 من 333
Comparison of emissions of nitrogen and sulfur oxides to deposition of nitrate and sulfate in the USA by state in 1990
1998
Furiness, C. | Smith, L. | Ran, L. | Cowling, E. (North Carolina State University, College of Forest Resources, Raleigh, NC (USA))
Focus on emission factors: a sensitivity analysis of ammonia emission modelling in the Netherlands
1998
Leneman, H. | Oudendag, D.A. | Hoek, K.W. van der | Janssen, P.H.M. (Agricultural Economics Research Institute [LEI-DLO], The Hague (Netherlands))
Consequences of new scientific findings for future abatement of ammonia emissions
1998
Erisman, J.W. | Monteny, G.J. (ECN, P.O. Box 1, 1755 ZG Petten (Netherlands))
Policies and instruments for reducing nitrogen oxide emissions from stationary sources in the Netherlands
1998
Jonge, L. de (Ministry of Housing, Spatial Planning and the Environment, The Hague (Netherlands))
Analysis of environmental policy measures aimed at reducing nitrogen leaching at the farm level
1998
Hasler, B. (National Environmental Research Institute, Department for Policy Analysis, P.O. Box 358, 4000 Roskilde (Denmark))
Effects of enhanced N deposition as (NH4)2SO4 and HNO3 on base cation leaching from podzol microcosms
1998
White, C.C. | Cresser, M.S. (Department of Plant and Soil Science, University of Aberdeen, Cruickshank Building, Aberdeen, AB24 3UU (United Kingdom))
Nitrogen mineralisation in deciduous forest soils in south Sweden in gradients of soil acidity and deposition
1998
Falkengren-Grerup, U. | Brunet, J. | Diekmann, M. (Department of Plant Ecology, Ecology Building, Lund University, S-223 62 Lund (Sweden))
A numerical analysis of the combined open-top chamber data from the USA and Europe on ambient ozone and negative crop responses
1998
Krupa, S.V. | Nosal, M. | Legge, A.H. (Department of Plant Pathology, 495 Borlaug Hall, University of Minnesota, St. Paul, MN 55108 (USA))
The influence of drought and natural rewetting on nitrogen dynamics in a coniferous ecosystem in Ireland
1998
Dise, N.B. | Matzner, E. | Forsius, M. (Department of Earth Sciences, The Open University, Milton Keynes, MK76AA (United Kingdom))
Optimizing air quality management in Europe and North America: justification for integrated management of both oxidized and reduced forms of nitrogen
1998
Cowling, E.B. | Erisman, J.W. | Smeulders, S.M. | Holman, S.C. | Nicholson, B.M. (College of Forest Resources, North Carolina State University, Box 8002, Raleigh, NC 27695 (USA))
