Table 14.6 - Area coefficients for losses of total phosphorus from agricultural catchments in the Northern temperate zone

Region/country Area coefficient, (kg P/ha/year) Reference
Northern temperate zone 0.46 Dillon and Kirchner (1975)
The Netherlands 0.72 Berbee (1987)
West Germany 0.36 Schulte-Wülwer-Leidig (1983)
Ireland 0.78 Phillips-Howard (1985)
France 1.4 Seux et al (1985)
Lithuania 0.2­0.8 Pauliukevicius et al (1989)
Poland 0.3­1.0 Ryszkowski et al (1989)
Northern Ireland 0.58­1.4 Smith (1977)
East Germany 0.92 Harenz (1989a; 1989b)