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) |