Phosphorus Fertilizer in Your Lawn or Garden

Fertilizers containing phosphorus are a major source of groundwater contamination and radiation exposure during lawn maintenance.fertilizing-lawn
The most common method for making fertilizer, that contains phosphorous, leaves behind a waste called phosphogypsum, which emits radon, a radioactive gas. It also contains uranium and radium, which are radioactive elements.

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Phosphorous is an essential nutrient for plants and a common ingredient in many fertilizers. However, the processing of phosphate rock to make phosphate-based fertilizer may leave radium (Ra-226) in the end product. The levels of Ra-226 vary depending upon the type of fertilizer blend and the origin of the phosphate rock.

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Starter fertilizer can contain higher phosphorus levels.

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