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Table 5 Effects of the leaf age, year, and their interactions on economic traits of upper leaves

From: Dynamic changes in physiological and biochemical properties of flue-cured tobacco of different leaf ages during flue-curing and their effects on yield and quality

Leaf age (A)

Year (Y)

DF

Yield (kg/ha)

Average price (dollar/kg)

Output values (dollar/ha)

Proportions of superior tobacco (%)

123 DAT

  

860.56 a*

3.54 a

3036.63 a

66.42 a

130 DAT

2016

 

850.67 a*

3.5 a

2981.07 a

65.58 a

116 DAT

2017

 

743.3 a

3.53 a

2631.96 a

62.68 a

123 DAT

754.9 a*

3.63 a

2741.61 a

65.64 a

130 DAT

728.19 a*

3.47 a

2533.44 a

62.34 a

A

 

2

NS

NS

NS

NS

Y

 

1

**

NS

NS

NS

A × Y

 

2

NS

NS

NS

NS

  1. Note: Lowercase letters represent significant differences for different treatments in the same year (P < 0.05); * indicates significant differences for the same treatment in different years (P < 0.05); ** denotes the significant difference of each factor and their interaction on the index