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Darren and Brian Hefty explain how farmers keep fertilizer in their fields and out of the water supply.
Up Next in 2020
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Ethanol - Food vs. Fuel
The Hefty brothers discuss how field corn is put to use for ethanol as well as animal feed.
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What Causes Foam in Rivers?
The Hefty brothers explain what causes foam in rivers.
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Riparian Areas
Darren and Brian Hefty talk about the importance of riparian areas around rivers and streams.
