Phosphorus, an ingredient in many fertilizers, contains naturally occurring radioactive material. The level of radiation in fertilizers is below the safety limits, so fertilizers do not require special regulations or handling procedures. Exposure to radiation from phosphorus can occur in storehouses, production plants and mines, as well as on reclaimed land.
About this Author
Melody Lee worked as a newspaper reporter, copywriter and editor for 5 years. In addition, she has edited magazine articles and books. Lee holds a degree in landscape design and is a Florida master gardener. She has more than 25 years of gardening experience, which includes working at nurseries and greenhouses.