Table 1 Soil type, management and land-use intensity (LUI) ranking for the sixteen experimental fields in France.
Site | Soil type | Agroecosystem | Management | LUI |
|---|---|---|---|---|
Mons | Silty loam (Luvisol) | Arable crops (6-years rotation: spring pea; winter wheat; rapeseed; spring barley; maize; winter wheat) | Conventional tillage, reference N inputs | 1.70 |
Conventional tillage, reduced N inputs | 1.46 | |||
Reduced tillage | -0.11 | |||
Reduced tillage, residue removal | 0.26 | |||
Lusignan | Loamy clay (Cambisol) | Arable crops (3-years rotation: maize; wheat; barley) | Conventional tillage, reference N inputs | 2.14 |
Crop-grass rotation (6-years rotation: maize; wheat; barley; 3-years sown grassland) | Tillage for crops, mown grassland, reference N inputs | 1.52 | ||
Grass-crop rotation (9-years rotation: 6-years sown grassland; maize; wheat; barley) | Tillage for crops, mown grassland, reference N inputs (2 fields, one with additional pesticide treatments) | 0.98 | ||
0.87 | ||||
Tillage for crops, mown grassland, reduced N inputs | 0.62 | |||
Grass-crop rotation (9-years rotation: 6-years sown grassland with legumes; maize; wheat; barley) | Tillage for crops, Grazed grassland | 0.57 | ||
Theix | Sandy clay loam (Cambisol) | Mown permanent grassland | Reference NPK inputs | − 1.05 |
No fertilizer inputs | − 1.91 | |||
Clay loam (Cambisol) | Mown permanent grassland | Reference NPK inputs | − 1.13 | |
No fertilizer inputs | − 1.96 | |||
Laqueuille | Silt loam (Andosol) | Grazed permanent grassland | High stocking rate, Reference N inputs | − 1.86 |
Low stocking rate, no N inputs | − 2.08 |