Farmers are facing a phosphorus crisis. The solution starts with soil.


Overuse of fertilizer has led to phosphorus shortages and water pollution. But farms might not need so much to grow healthy crops.

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*This story was supported by a science journalism fellowship from the European Geosciences Union.

In many parts of the world, overuse of phosphorus fertilizer has led to build up in the soil. This phosphorus contributes to pollution — but it could also feed crops. (Credit: Pascvii via Pixabay)