柠檬酸对土壤⁃柳树系统中Cd⁃芘污染生物有效性影响

邓林, 张娟娟, 谢探春, 王晓琳, 尹颖

Effects of citric acid on the bioavailability of Cd⁃pyrene contamination in soil⁃willow system

Lin Deng, Juanjuan Zhang, Tanchun Xie, Xiaolin Wang, Ying Yin

表3 柠檬酸对柳树叶片荧光参数的影响

Table 3 Effects of citric acid on chlorophyll fluorescence parameters in leaves of willow

Treatment		F_v/F_m	Φ_PSⅡ	qP
NO?CA	CK	0.776±0.018^a	0.119±0.020^b	0.280±0.063^c
	PYR	0.781±0.015^a	0.154±0.083^ab	0.314±0.155^bc
	Cd	0.774±0.006^a	0.126±0.024^ab	0.322±0.054^bc
	Cd?PYR	0.793±0.010^a	0.116±0.034^b	0.253±0.078^c
CA	CK	0.782±0.015^a	0.177±0.015^a	0.403±0.037^ab
	PYR	0.783±0.020^a	0.199±0.029^a	0.443±0.048^a
	Cd	0.778±0.016^a	0.179±0.028^a	0.399±0.032^ab
	Cd?PYR	0.782±0.019^a	0.185±0.032^a	0.414±0.045^ab