Life-giving Nutrient Changed into a Deadly Pollutant. How to Change It Back?

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Life-giving Nutrient Changed into a Deadly Pollutant. How to Change It Back?
Aerial view of farm fields and houses

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http://ensia.com/features/weve-changed-a-life-giving-nutrient-into-a-deadly-pollutant-how-can-we-change-it-back/

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Taxonomy

4 Comments

  1. "What happens ​on a farm field ​can show up as ​algae many ​miles ​downstream. ​"
    Why many miles downstream, why not on a fish pond on the farm field where the nutrients, N and P, originated.
    If all farmers set up fish ponds on their farms, on about 1% of the area, they can use the nutrients in the fertilizer runoff to grow Diatom Algae and fish and thus clean up the water that flows out of their fields.
    Farmers can earn from the fertilizer runoff and the water that flows out would be clean.