Treatments

Leaf site

Aug. 06

Sep. 05

Difference

N1

The 1^st leaf from the top

53.7 ± 1.7^a

51.4 ± 1.9^a

2.6 ± 0.25^c

The 2^nd leaf from the top

55.6 ± 0.9^a

52.2 ± 2.0^a

3.4 ± 0.33^b

The3^rd leaf from the top

54.6 ± 1.4^a

50.3 ± 2.2^a

4.3 ± 0.41^a

The 4^th leaf from the top

55.2 ± 1.0^a

52.5 ± 2.0^a

1.7 ± 0.15^c

N2

The 1^st leaf from the top

56.7 ± 1.6^a

55.8 ± 1.9^a

0.9 ± 0.08^b

The 2^nd leaf from the top

56.8 ± 3.0^a

56.1 ± 3.1^a

0.7 ± 0.06^c

The3^rd leaf from the top

57.6 ± 3.3^a

54.4 ± 4.0^a

3.2 ± 0.28^a

The 4^th leaf from the top

58.2 ± 0.6^a

57.5 ± 3.3^a

1.0 ± 0.09^b

K1

The 1^st leaf from the top

53.5 ± 2.3^a

51.6 ± 6.2^a

1.9 ± 0.17^c

The 2^nd leaf from the top

55.7 ± 1.4^a

52.7 ± 5.5^a

3.0 ± 0.28^b

The3^rd leaf from the top

54.8 ± 1.3^a

50.6 ± 1.6^a

4.2 ± 0.39^a

The 4^th leaf from the top

55.3 ± 3.8^a

52.8 ± 0.4^a

2.5 ± 0.28^b

K2

The 1^st leaf from the top

55.2 ± 3.6^a

54.6 ± 6.3^a

0.6 ± 0.05^c

The 2^nd leaf from the top

56.5 ± 2.4^a

54.7 ± 2.4^a

1.8 ± 0.15^b

The3^rd leaf from the top

57.6 ± 2.1^a

54.8 ± 1.3^a

2.8 ± 0.26^a

The 4^th leaf from the top

57.8 ± 4.3^a

56.7 ± 3.1^a

1.1 ± 0.10^c