Environmental Science
2 years ago

Tillage systems lower cadmium levels in farmland soil, improving crop safety.

The Science of The Total Environment
Do tillage systems affect the cadmium threshold in farmland soil for environmental quality standard setting?
Zhaolin Du, Weiqiang Dou, Dasong Lin, Li Qin, Yi An, Hongan Chen, Lina Wu, Liyan Mou

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Tillage systems can affect the amount of cadmium in farmland soil. A study in China looked at different tillage methods and their impact on cadmium levels. They found that rice varieties react differently to cadmium, but the overall effect of tillage systems on cadmium levels is similar. Some tillage systems lead to lower cadmium levels in the soil compared to others. This information can help choose rice varieties that are less sensitive to cadmium. The study suggests that current environmental standards for cadmium in soil may need to be adjusted based on tillage practices.