Table 3.
Amount of fertilization used in the buffer zone of the WPN
| Territorial unit | Fertilizer supply (kg/ha of farmland) | Supply nutrient ratio | ||||||
|---|---|---|---|---|---|---|---|---|
| Mineral (NPK) | N | P | K | Ca | N:P | N:K | P:K | |
| Wielkopolska region | 150.6 | 88.0 | 27.9 | 34.7 | 44.4 | 1:0.3 | 1:0.3 | 1:1.2 |
| Poznań district | 163.5 | 97.3 | 28.6 | 37.5 | 54.8 | 1:0.3 | 1:0.3 | 1:1.3 |
| Dopiewo commune | 166.3 | 109.3 | 25.7 | 31.3 | 53.4 | 1:0.4 | 1:0.3 | 1:1.2 |
| Komorniki commune | 199.1 | 94.8 | 41.5 | 62.8 | 102.3 | 1:0.2 | 1:0.2 | 1:1.5 |
| Mosina commune | 61.2 | 43.3 | 5.6 | 12.4 | 10.0 | 1:0.8 | 1:0.3 | 1:2.2 |
| Stęszew commune | 149.7 | 93.1 | 21.2 | 35.4 | 61.4 | 1:0.4 | 1:0.3 | 1:1.7 |
| Average | 117.0 | 68.8 | 19.0 | 29.2 | 45.4 | 1:0.4 | 1:0.2 | 1:1.5 |