Table 1.
Description of the twelve study sites with altitude, exact coordinates, and quantity of fertilizer, that is, nitrogen (N), phosphorus (P), and potassium (K), applied per hectare per year. The fertilizer consisted of organic NPK pellets, and mineral K2O dissolved in water to reach the equivalent of standard-farm liquid manure
| Coordinates | Fertilizer applied [kg·ha−1·year−1] | ||||||
|---|---|---|---|---|---|---|---|
| Site | Name | Altitude [m] | Latitude | Longitude | N | P | K |
| 1 | La Garde | 980 | 46°3′45″N | 7°8′35″E | 40.0 | 33.3 | 133.3 |
| 2 | Sembrancher | 798 | 46°4′24″N | 7°8′36″E | 53.3 | 44.4 | 177.7 |
| 3 | Orsières | 1022 | 46°1′44″N | 7°9′8″E | 53.3 | 44.4 | 177.7 |
| 4 | Vens | 1373 | 46°5′7″N | 7°7′24″E | 40.0 | 33.3 | 133.3 |
| 5 | Euseigne | 1028 | 46°10′9″N | 7°25′27″E | 53.3 | 44.4 | 177.7 |
| 6 | Eison | 1768 | 46°9′18″N | 7°28′10″E | 26.7 | 22.3 | 89.0 |
| 7 | St-Martin | 1589 | 46°11′8″N | 7°26′43″E | 26.7 | 22.3 | 89.0 |
| 8 | Grimentz | 1738 | 46°11′22″N | 7°34′35″E | 26.7 | 22.3 | 89.0 |
| 9 | Arbaz | 1270 | 46°16′42″N | 7°22′47″E | 40.0 | 33.3 | 133.3 |
| 10 | Icogne1 | 1200 | 46°17′56″N | 7°26′31″E | 40.0 | 33.3 | 133.3 |
| 11 | Icogne2 | 880 | 46°17′6″N | 7°26′10″E | 53.3 | 44.4 | 177.7 |
| 12 | Cordona | 1153 | 46°19′45″N | 7°33′8″E | 40.0 | 33.3 | 133.3 |