Displaying items by tag: cadmium

A new line of cadmium-resistant potatoes could give New Zealand potato growers a marketing edge.

Cadmium levels in Chatham Rise rock phosphate are among the lowest in the world, says Chatham Rock Phosphate Ltd managing director Chris Castle.

Scientists are looking at new methods to enhance the ability of New Zealand's soils to lock up cadmium and, thereby, prevent it from entering plants and subsequently the food chain.