Year | 2013 | 2014 | 2015 |
---|---|---|---|
Control plots | 0 (natural rainfall) × 3 replicates | 0 (natural rainfall) × 3 replicates | – |
Treatment 1 | 120 + 80 × 3 replicates | 225 × 3 replicates | Adequate water supply (RSWC: 75% ± 5%) × 4 replicates |
Treatment 2 | 100 + 40 × 3 replicates | 150 × 3 replicates | Slightly continuous water stress (RSWC: 75% ± 5% before the jointing stage + 16 mm) × 3 replicates |
Treatment 3 | 80 × 3 replicates | 120 × 3 replicates | Moderately continuous water stress (RSWC: 75% ± 5% before the jointing stage + 0 mm) × 3 replicates |
Treatment 4 | 60 × 3 replicates | 90 × 3 replicates | Slightly stable water stress (RSWC: 55% ± 5%) × 3 replicates |
Treatment 5 | 40 × 3 replicates | 60 × 3 replicates | Seriously stable water stress (RSWC: 35% ± 5%) × 3 replicates |
Treatment 6 | 25 × 3 replicates | 30 × 3 replicates | – |
Treatment 7 | 15 × 3 replicates | 10 × 3 replicates | – |
Field control | 0 (natural rainfall) × 4 replicates | – | – |