Low tech makes cleaner water in Iowa, so what's stopping it?
The question is whether one Iowa county's promising new approach to an old problem can be expanded enough to finally address nitrate pollution.
Source: globegazette.com
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The question is whether one Iowa county's promising new approach to an old problem can be expanded enough to finally address nitrate pollution.
Counties in Iowa are being encouraged to fund efforts to install bioreactors and streamside buffers on farmland to filter fertilizer-borne nitrates from water.
There's a low-tech remedy for the nitrate pollution affecting waterways in Iowa and...