Soil | Treatments | Total root length (cm) | Area (cm2) | Surface area (cm2) | Root volume (cm3) | Root diameter (mm) | Root number |
---|---|---|---|---|---|---|---|
Hanzhong | Control | 844.7 ± 10.8 d | 80.01 ± 7.9 bc | 354.87 ± 16.5 abc | 10.99 ± 1.1 de | 0.91 ± 0.05 d | 946 ± 26.3 bc |
 | Deficit | 893.5 ± 22.7 c | 65.83 ± 8.6 d | 326.35 ± 12.8 c | 7.81 ± 0.8 E | 0.74 ± 0.08 e | 858 ± 29.8 c |
Yulin | Control | 885.6 ± 6.23 cd | 84.41 ± 10.9 ab | 368.17 ± 14.8 a | 21.93 ± 2.2 ab | 1.26 ± 0.07 a | 1013 ± 31.8 ab |
 | Deficit | 1008.6 ± 17.5 b | 72.87 ± 12.6 cd | 333.37 ± 16.2 bc | 17.67 ± 1.8 bc | 1.15 ± 0.06 b | 967 ± 17.8 bc |
Yangling | Control | 967.1 ± 14.3 b | 91.75 ± 11.8 a | 386.17 ± 11.5 a | 24.16 ± 1.4 a | 1.05 ± 0.05 c | 1143 ± 46.8 a |
 | Deficit | 1071.2 ± 22.7 a | 77.97 ± 8.4bc | 347.96 ± 12.4 bc | 15.16 ± 1.1 cd | 0.89 ± 0.08 d | 1083 ± 28.7 ab |
Soil (S) | * | * | * | * | * | * | |
Treatment (T) | * | * | * | * | * | * | |
Soil x Treatment (SXT) | * | NS | NS | NS | * | NS |