天津蔬菜主产区土壤中镉的有效性及关键调控因子研究
|
Availability and key regulator of cadmium in soil of main vegetable production areas in Tianjin
|
图4. 土壤有效Cd与各理化指标相关性 |
Fig.4. The correlation between available Cd and physical and chemical indexes in soil |
![]() |