Oklahoma Water Resources Center

Waste and Nutrient Management

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Is Your Investment in Fertilizer Being Washed Away?
Fertilizing can result in a lush, beautiful lawn, but over-fertilizing can lead to unhealthy, polluted water. Surveys indicate well over half of lawns are over-fertilized, and many fertilizers contain more phosphorous than necessary. When rain washes this excess fertilizer into our streams and lakes, phosphorous can cause an overabundance of algae that robs oxygen from everything else in the waterbody and can kill fish. Every lawn is unique, so before you fertilize or hire a lawn service, read this brochure (“Responsible Lawn Care”) to learn about soil testing. By applying the appropriate amount of fertilizer, you will have a healthy lawn and surrounding streams and lakes that we can all enjoy.

 

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