Tiered Fertiliser Management System
The Tiered Fertiliser Management System was approved and adopted by the Cadmium Working Group as an integral part of the Cadmium Management Strategy. The Strategy is designed to ensure that soil health is protected and over the next 100 years at least, soil cadmium levels remain within the recommended range which is aceptable to sustainable agricultural production
Uranium at trace levels in soil and plants is a natural occurrence. While the levels of uranium in soils are very gradually increasing due to phosphate fertiliser application, this represents no threat to human health or the environment.
Uranium - in soil, plants and fertiliser published July 2014.