|
| Soil treatment |
| T0 | Control soil |
| T1 | Urea 150 kg N ha−1 |
| T2 | ATS as 32.5 kg S-ATS ha−1 (i.e. 25 ppm S-ATS) |
| T3 | ATS as 130 kg S-ATS ha−1 (i.e. 100 ppm S-ATS) |
| T4 | 150 kg N ha−1 as ATS (32.5 kg S ha−1) + urea (134 kg N ha−1) |
| T5 | 150 kg N ha−1 as ATS (130 kg S-ATS ha−1 + urea (85 kg N ha−1) |