خيارات البحث
النتائج 1 - 10 من 10
The impact of livestock farming on UK river quality and the development of a possible control strategy
1993
Mainstone, C.P. | Rutt, G.P. | Woodrow, D. (Water Research Centre, Marlow, Bucks (United Kingdom))
Soil acidification along an ammonium deposition gradient in a Corsican pine stand in northern Belgium
1998
Schrijver, A. de | Nachtergale, L. | Roskams, P. | Keersmaeker, L. de | Mussche, S. | Lust, N. (Laboratory of Forestry, University of Ghent, Geraardsbergse Steenweg 267, 9090 Gontrode (Belgium))
The impact of land use on N2O emissions from watersheds draining into the Northeastern Atlantic Ocean and European Seas
1998
Kroeze, C. | Seitzinger, S.P. (WIMEK, Wageningen Agricultural University, Wageningen (Netherlands))
The relationship between nitrogen deposition, species composition and foliar nitrogen concentrations in woodland flora in the vicinity of livestock farms
1998
Pitcairn, C.E.R. | Leith, I.D. | Sheppard, L.J. | Sutton, M.A. | Fowler, D. | Munro, R.C. | Tang, S. | Wilson, D. (Institute of Terrestrial Ecology, Bush Estate, Penicuik, Midlothian, EH26 0QB (United Kingdom))
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))
Agricultural NH3 and NOx emissions in Canada
1998
Kurvits, T. | Marta, T. (Symbiotics Consulting, Ottawa (Canada))
Congener specific transfer of PCDD/Fs from air to cows' milk: an evaluation of current modelling approaches
1997
Douben, P.E.T. | Alcock, R.E. | Jones, K.C. (Her Majesty's Inspectorate of Pollution, 2 Marsham Street, London SW1P 3EB (United Kingdom))
N-fluxes and efficiencies on farms in Styria, Austria
1998
Kuderna, M. | Blum, W.E.H. (Institute of Soil Science, University of Agricultural Sciences, Vienna (Austria))
Making the link between science and policy: controlling N losses from agriculture in Canada
1998
Kimpe, C.R. de | MacDonald, K.B. (Agriculture and Agri-Food Canada, Sir John Carling Building, Ottawa, Ontario, K1A 0C5 (Canada))
Toxicity (EC(50)) comparisons of some animal wastes
1990
Gupta, G. (Maryland Eastern Shore Univ., Princess Anne, MD (USA). Dept. of Natural Sciences) | Kelly, P.