Effects of ozone, methyl salicylate and time (days) on the quantity of calcium oxalate crystals from <i>Croton floribundus</i> leaves.

aGreenhouse-Geisser values calculated by ANOVA. Effects of ozone, methyl salicylate and time (days) on the quantity of calcium oxalate crystals from Croton floribundus leaves.由方差分析（ANOVA）计算得到的格林豪斯-盖瑟（Greenhouse-Geisser）校正值。 臭氧、水杨酸甲酯及时间（天）对多花巴豆（Croton floribundus）叶片中草酸钙晶体含量的影响。