Addiscott TM (1996) Fertilizers and nitrate leaching. In: Hester RE and Harrison RM (eds.) Agricultural Chemicals and the Environment. Issues in Environmental Science and Technology. Cambridge, UK: Royal Society of Chemists.
Betton C, Webb BW, and Walling DE (1991) Recent Trends in NO3-N Concentration and Load in British Rivers. IAHS Publication 203, pp. 169-180. Wallingford: IH Press.
Bin-Le Lin, Sakoda A, Shibasaki R, Goto N, and Suzuki M (2000) Modelling a global biogeochemical nitrogen cycle model in terrestrial ecosystems. Ecological Modelling 135(1): 89-110.
Burt TP, Heathwaite AL, and Trudgill ST (eds.) (1993) Nitrate: Processes, Patterns and Management. Oxford: Wiley.
Burt TP and Johnes PJ (1997) Managing water quality in agricultural catchments. Transactions of the Institute of British Geographers 22(1): 61-68.
Butcher SS, Charlson RJ, Orians GH, and Wolfe GV (eds.) (1992) Global Biogeochemical Cycles, 379pp. London: Academic Press.
De Wit M, Behrendt H, Bendoricchio G, Bleuten W, and van Gaans P (2002) The contribution of agriculture to nutrient pollution in three European rivers, with reference to the European Nitrates Directive. European Water Management Online.
Eckerberg K and Forsberg B (1996) Policy strategies to reduce nutrient leaching from agriculture and forestry and their local implementation: A case study of Laholm Bay, Sweden. Journal of Environmental Planning and Management 39(2): 223-242.
Haycock NE, Burt TP, Goulding KWT, and Pinay G (eds.) (1997) Buffer Zones: Their Processes and Potential in Water Protection. Harpenden: Quest Environmental.
Hem JD (1970) Study and Interpretation of the Chemical Characteristics of Natural Water, 363pp. Washington: United States Government Printing Office.
Kessler E (ed) (2002) Special Report. Ambio 31(2).
Norse D (2003) Fertilisers and world food demand. Implications for environmental stress, IFA-FAO Agriculture Conference, Rome. http://www.fertilizer.org/ifa/publicat/PDF/ 2003_rome_norse.pdf
Ribaudo M (2001) Non-point source pollution control policy in the USA. In: Shortle JS and Abler DG (eds.) Environmental Policies for Agricultural Pollution Control. Oxford: CAB International.
Sprent JI (1987) The Ecology of the Nitrogen Cycles, 151 pp. Cambridge: Cambridge University Press.
White RE (1987) Introduction to the Principles and Practice of Soil Science, 244pp. New York: Blackwell.
Was this article helpful?
Learning About 10 Ways Fight Off Cancer Can Have Amazing Benefits For Your Life The Best Tips On How To Keep This Killer At Bay Discovering that you or a loved one has cancer can be utterly terrifying. All the same, once you comprehend the causes of cancer and learn how to reverse those causes, you or your loved one may have more than a fighting chance of beating out cancer.