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结果 1-10 的 12
EMEP eulerian model for atmospheric transport and deposition of nitrogen species over Europe
1998
Jonson, J.E. | Bartnicki, J. | Olendrzynski, K. | Jakobsen, H.A. | Berge, E. (Meteorological Synthesizing Centre - West of EMEP, The Norwegian Meteorological Institute, P.O. Box 43, Blindern N-0313 Oslo (Norway))
Environmental hazards of nitrogen loading in wetland rice fields
1998
Ghosh, B.C. | Ravi Bhat (Agricultural and Food Engineering Department, Indian Institute of Technology, Kharagpur 721 302 (India))
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))
Analysis of ammonia, ammonium aerosols and acid gases in the atmosphere at a commercial hog farm in eastern North Carolina, USA
1998
McCulloch, R.B. | Few, G.S. | Murray, G.C. | Aneja, V.P. (North Carolina Department of Environment and Natural Resources, Division of Air Quality, Raleigh, NC 27626 (USA))
Nitrogen cycling in two Norway spruce (Picea abies) ecosystems and effects of a (NH4)2SO4 addition
1992
Feger, K.H. (Albert-Ludwig-University, Freiburg (Germany). Inst. of Soil Science and Forest Nutrition)
Effects of ammonia, ammonium sulphate and sulphur dioxide on the frost sensitivity of Scots pine (Pinus sylvestris L.)
1990
Dueck, T.A. (Instituut voor Plantenziektenkundig Onderzoek, Wageningen (Netherlands)) | Dorel, F.G. | Horst, R. ter | Eerden, L.J. van der
Deposition of nitrogen in ectomycorrhizae of Norway spruce on NH4+-fertilized sites in the Black Forest, Germany
1996
Beckmann, S. | Kottke, I.
Evaluation of sulphur exchange and translocation processes in fertilized forest ecosystems of the Black Forest based on sulphur isotope distribution: State of the art and conclusions
1996
Giesemann, A. | Jaeger, H.J.
Characterisation of the N-budget of spruce at the experimental sites of ARINUS
1994
Weber, P. (Freiburg Univ. (Germany). Inst. fuer Forstbotanik und Baumphysiologie) | Schneider, S. | Rennberg, H.
Investigations into the sulfur pools of typical soils of the ARINUS plots - Effects of experimental ammonium sulfate application on sulfur amounts and species
1994
Prietzel, J. (Muenchen Univ., Freising (Germany). Lehrstuhl fuer Bodenkunde und Standortslehre) | Rehfuess, K.E.
