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Economic properties of flue-cured tobacco with different salicylic acid concentrations.
| Treatment | Yield (kg ⋅ ha–1) | Output value (dollar ⋅ ha–1) | Proportion of middle and top grade tobacco (%) | Average price (dollar ⋅ kg–1) |
| Control | 1,979B | 5,778B | 57B | 2.92B |
| SA-1 | 2,392A | 9,407A | 87A | 3.93A |
| SA-2 | 2,464A | 8,738A | 71AB | 3.55AB |
Different capital letters indicate significant differences between treatments at the same stage (P < 0.05). Values represent the averages of three biological replicates.
