Further Reading

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.

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