KARST REGION

In the rocky landscapes of Karst regions, a battle is quietly unfolding between oilseed rape plants and a silent enemy: cadmium. This heavy metal sneaks into the soil and can cause big problems for plants and the people who eat them. But oilseed rape has some clever tricks to deal with this issue.

In the rocky landscapes of southwest China, water is on the move. It carries more than just moisture. It also moves harmful stuff like mercury, thallium, and arsenic. These toxic elements are found in the soil. They come from different places. Some come from rocks breaking down. Others come from the