Table 3 Dry matter accumulation of above-ground cotton at different growth stages in different treatments (g·plant− 1)
From: Soil replacement combined with subsoiling improves cotton yields
Year | Treatment | Seedling stage | Square formation stage | Initial bloom stage | Boll formation stage | Boll opening stage | |||
|---|---|---|---|---|---|---|---|---|---|
Stem and leaf | Square and boll | Stem and leaf | Square and boll | Stem and leaf | Square and boll | ||||
2014 | CK | 0.95 a | 5.4 a | 35.9 c | 10.8 a | 79.9 b | 65.5 b | 59.7 c | 116.9 c |
| Â | T1 | 0.83 b | 4.9 b | 38.2 b | 9.0 a | 85.7 b | 71.2 a | 66.0 b | 129.3 b |
| Â | T2 | 0.71 c | 4.9 b | 40.6 ab | 4.5 b | 96.7 a | 75.7 a | 74.1 a | 145.0 a |
| Â | T3 | 0.72 c | 4.8 b | 43.1 a | 5.2 b | 97.9 a | 72.6 a | 77.6 a | 151.9 a |
2015 | CK | 0.92 a | 4.8 a | 45.5 b | 12.4 a | 75.4 c | 61.8 a | 52.9 c | 103.5 c |
| Â | T1 | 0.83 b | 4.4 b | 47.9 b | 7.7 b | 82.5 c | 63.8 a | 61.8 b | 120.9 b |
| Â | T2 | 0.75 c | 4.1 b | 52.5 a | 5.8 b | 92.6 b | 63.2 a | 74.5 b | 130.3 a |
| Â | T3 | 0.73 c | 4.0 b | 54.1 a | 6.0 b | 102.7 a | 60.1 a | 85.5 a | 115.0 b |