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Результаты 191-200 из 347
Nitrification-denitrification processes and technologies in new contexts
1998
Verstraete, W. | Philips, S. (Laboratory of Microbial Ecology, University of Gent, Coupure Links 653, B-9000 Gent (Belgium))
Spatial variation in annual nitrogen deposition in a rural region in Switzerland
1998
Eugster, W. | Perego, S. | Wanner, H. | Leuenberger, A. | Liechti, M. | Reinhardt, M. | Geissbuhler, P. | Gempeler, M. | Schenk, J. (University of Bern, Institute of Geography, Hallerstrasse 12, CH-3012 Bern (Switzerland))
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))
Environmental impacts of different nitrogen inputs on dairy farms and implications for the Resource Management Act of New Zealand
1998
Ledgard, S.F. | Crush, J.R. | Penno, J.W. (AgResearch, Ruakura Research Centre, Private Bag 3123, Hamilton (New Zealand))
Nitrogen in Dutch freshwater lakes: trends and targets
1998
Molen, D.T. van der | Portielje, R. | Nobel, W.T. de | Boers, P.C.M. (Institute for Inland Water Management and Waste Water Treatment, Lelystad (Netherlands))
Nitrogen removal in buffer strips along a lowland stream in the Netherlands: a pilot study
1998
Hefting, M.M. | Klein, J.J.M. de (Department of Water Quality Management and Aquatic Ecology, Wageningen Agricultural University, P.O. Box 8080, 6700 DD Wageningen (Netherlands))
Response of a zooplankton community to insecticide application in experimental ponds: a review and the implications of the effects of chemicals on the structure and functioning of freshwater communities
1998
Hanazato, T. (Suwa Hydrobiological Station, Shinshu University, 5-2-4 Kogandori, Suwa, Nagano 392-0027 (Japan))
Application of a conceptual catchment scale nitrate transport model on two rural river basins
1998
Herpe, Y. van | Troch, P.A. | Callewier, L. | Quinn, P.F. (Laboratory of Hydrology and Water Management, University of Gent, Gent (Belgium))
Feasibility of national nitrogen balances
1998
Slak, M.F. | Commagnac, L. | Lucas, S. (ENITA de Bordeaux, Laboratoire Sols et Paysages (France))
Setting international targets for controlling atmospheric emissions of pollutants - now and in the future
1998
Bull, K.R. | Hall, J.R. (ITE Monks Wood, Abbots Ripton, Huntingdon PE17 2LS (United Kingdom))
