Changes in fertilizer and manurial practices during 1960–1990: implications for N and P inputs to the Ythan catchment, N.E. Scotland
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[1] Sir David Milne,et al. The Scottish Office , 1957 .
[2] B. Keen,et al. Agriculture, Fisheries and Food , 1962, Nature.
[3] Thomas Oppermann,et al. European Economic Community. , 1967, Journal of the Royal College of Physicians of London.
[4] G. Fisher,et al. Land Capability Classification for Agriculture , 1982 .
[5] P. Pizor. Principles of Geographical Information Systems for Land Resources Assessment. , 1987 .
[6] D. Raffaelli,et al. Long-term changes in nutrients, weed mats and shorebirds in an estuarine system , 1989 .
[7] A. A. Hanson. Practical Handbook of Agricultural Science , 1989 .
[8] A. Chalmers,et al. Fertilizer Use on Farm Crops in Great Britain: Results from the Survey of Fertilizer Practice, 1969–88 , 1990 .
[9] A. Vinten,et al. Measurement of nitrate leaching losses from arable plots under different nitrogen input regimes , 1991 .
[10] A. Bailey‐Watts,et al. Eutrophication of freshwaters: Principles, problems and restoration , 1992 .
[11] D. Keeney,et al. Des Moines River Nitrate in Relation to Watershed Agricultural Practices: 1945 Versus 1980s , 1993 .
[12] A. Vinten,et al. A comparative study of nitrate leaching from soils of differing textures under similar climatic and cropping conditions , 1994 .
[13] Hydrological aspects of the host classification of soils , 1994 .
[14] P. Hellegers,et al. Mineral balances at farm level in the European Union , 1995 .
[15] L. Puckett,et al. Identifying the major sources of nutrient water pollution , 1995 .
[16] A. Edwards,et al. Soluble nitrogen and phosphorus in the River Ythan system, U.K.: Annual and seasonal trends , 1995 .
[17] R. Sylvester-Bradley,et al. The contribution of fertiliser nitrogen to leachable nitrogen in the UK: A review , 1995 .
[18] A. Edwards,et al. Long-term nutrient enrichment of an estuarine system: Ythan, Scotland (1958-1993). , 1995, Environmental pollution.
[19] Penny J Johnes,et al. The determination of total nitrogen and total phosphorus concentrations in freshwaters from land use, stock headage and population data: testing of a model for use in conservation and water quality management , 1996 .