Fig. 1. Effects of chlorophyll fluorescence characters in leaves of Glycine soja to soils phenanthrene stress
(a): Variation trend of F_v/F_m and ETR fluorescence parameters; (b): Variation trend of q_P and NPQ fluorescence parameters

Fig. 2. Chlorophyll a fluorescence transient (OJIP) in leaves of Glycine soja to phenanthrene polluted
(a): Change trend of OJIP curve; (b): Difference analysis of each point on O, J, I, P

Fig. 3. Chlorophyll a fluorescence transients (O-P and O-J) were normalized and significant difference analysis of relative variable fluorescence in leaves of Glycine soja to phenanthrene polluted soils
(a): Variation trend of fluorescence curve of O-P point data standardization;(b): Variation trend of fluorescence curve of O-J point data standardization;(c): Variation trend of fluorescence curve of standardized different between O-P and CK date;(d): Variation trend of fluorescence curve of standardized different between O-J and CK date;(e): Analysis of relative variable fluorescence difference of I, K, J points

Fig. 4. Radar plot of fluorescence data in leaves of Glycine soja to phenanthrene polluted soils