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) |