leaf position

lamina third

days of treatment

2

4

6

8

10

response ratios under N-deprivation

laminas’ chlorophyll fluorescence

upper

ns

ns

L3

middle

ns

ns

base

1.38

ns

upper

ns

ns

ns

ns

L2

middle

ns

ns

ns

ns

base

ns

ns

ns

ns

upper

ns

ns

ns

ns

0.76

L1

middle

ns

ns

ns

ns

0.80

base

ns

ns

ns

ns

ns

upper

L0

middle

ns

ns

ns

0.00

0.00

base