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结果 121-130 的 347
Nitrous oxide emissions from a wheat field in response to elevated carbon dioxide concentration and open-top chamber enclosure
1998
Pleijel, H. | Sild, J. | Danielsson, H. | Klemedtsson, L. (IVL, P.O. Box 470 86, SE-402 58 Goteborg (Sweden))
Changes in nitrogen transformations in forest soil as a result of sprinkling infiltration
1998
Lindroos, A.J. | Paavolainen, L. | Smolander, A. | Derome, J. | Helmisaari, H.S. (Finnish Forest Research Institute, Vantaa Research Centre, Box 18, FIN-01301 Vantaa (Finland))
Nitrogen balances and leaching in four agricultural catchments in southeastern Norway
1998
Bechmann, M. | Eggestad, H.O. | Vagstad, N. (Jordforsk, Centre for Soil and Environmental Research, N-1432 As (Norway))
Nitrogen monitoring in groundwater in the sandy regions of the Netherlands
1998
Fraters, D. | Boumans, L.J.M. | Drecht, G. van | Haan, T. de | Hoop, W.D. de (National Institute of Public Health and the Environment (RIVM), P.O. Box 1, 3720 BA Bilthoven (Netherlands))
Soil nitrous oxide and nitric oxide emissions as indicators of elevated atmospheric N deposition rates in seminatural ecosystems
1998
Skiba, U. | Sheppard, L. | Pitcairn, C.E.R. | Leith, I. | Crossley, A. | Dijk, S. van | Kennedy, V.H. | Fowler, D. (Institute of Terrestrial Ecology (ITE), Bush Estate, Penicuik EH26 0QB (United Kingdom))
Developmental instability in grayling (Thymallus thymallus) exposed to methylmercury during embryogenesis
1998
Voellestad, L.A. | Fjeld, E. | Haugen, T. | Oxnevad, S.A. (Division of Zoology, Department of Biology, University of Oslo, PO Box 1050, Blindern, N-0316 Oslo (Norway))
Agricultural nutrient balances as agri-environmental indicators: an OECD perspective
1998
Parris, K. (Directorate for Food, Agriculture and Fisheries, OECD, Paris (France))
The monitoring of nitrogen surpluses from agriculture
1998
Eerdt, M.M. van | Fong, P.K.N. (Statistics Netherlands, Environmental Statistics, P.O. Box 4000, 2270 JM Voorburg (Netherlands))
Dispersion, deposition and impacts of atmospheric ammonia: quantifying local budgets and spatial variability
1998
Sutton, M.A. | Milford, C. | Dragosits, U. | Place, C.J. | Singles, R.J. | Smith, R.I. | Pitcairn, C.E.R. | Fowler, D. | Hill, J. | ApSimon, H.M. | Ross, C. | Hill, R. | Jarvis, S.C. | Pain, B.F. | Phillips, V.C. | Harrison, R. | Moss, D. | Webb, J. | Espenhahn, S.E. | Lee, D.S. | Hornung, M. | Ullyett, J. | Bull, K.R.
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))
