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
图9 柠檬酸对柳树叶片中色素的影响
n=4,不同字母表示显著差异,p<0.05,NO?CA表示未添加柠檬酸组;CA表示添加柠檬酸组
Fig.9 Effects of citric acid on photosynthetic pigments in leaves of willow