From: Soil replacement combined with subsoiling improves cotton yields
Year | Treatment | After sowing | Seedling stage | Square formation stage | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0~20 cm | 20~40 cm | 40~60 cm | 60~80 cm | 0~20 cm | 20~40 cm | 40~60 cm | 60~80 cm | 0~20 cm | 20~40 cm | 40~60 cm | 60~80 cm | ||
2014 | CK | 63.0 a | 62.9 a | 55.2 b | 44.0 b | 55.8 b | 54.9 b | 54.6 b | 44.3 a | 31.2 b | 27.9 b | 37.5 a | 37.8 a |
T1 | 60.0 b | 60.2 ab | 57.4 a | 45.2 b | 54.5 b | 57.5 a | 57.1 a | 43.7 a | 38.3 a | 26.9 b | 37.7 a | 38.6 a | |
T2 | 57.1 b | 57.2 b | 58.7 a | 49.5 a | 56.1 ab | 54.8 b | 56.3 a | 45.4 a | 37.8 a | 36.6 a | 36.7 a | 38.6 a | |
T3 | 57.8 b | 57.2 b | 58.1 a | 51.0 a | 57.3 a | 54.6 b | 54.7 b | 47.0 a | 39.2 a | 38.4 a | 36.4 a | 38.6 a | |
2015 | CK | 63.1 a | 61.6 a | 56.7 b | 60.2 b | 52.1 a | 59.4 b | 58.5 a | 59.0 b | 27.1 c | 34.8 c | 47.5 ab | 54.4 a |
T1 | 59.0 b | 62.5 a | 62.8 a | 60.7 b | 55.1 a | 62.4 a | 58.6 a | 59.5 b | 33.3 b | 42.1 b | 49.9 a | 54.4 a | |
T2 | 57.4 b | 58.0 b | 63.4 a | 63.6 a | 54.0 a | 57.4 b | 58.5 a | 62.7 a | 31.3 bc | 44.0 a | 46.7 b | 55.1 a | |
T3 | 57.8 b | 59.1 b | 62.6 a | 63.7 a | 56.0 a | 58.1 b | 58.2 a | 62.5 a | 36.4 a | 45.0 a | 48.0 a | 54.9 a |