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A genetic tweak can make crops tolerate glyphosate, a weed killer.
Corn processors want to kill government supports for rival sugar industry.
Animals raised on a GMO-free diet are too hard to come by.
Plowing more land for corn means a bigger carbon footprint.
Corn is not what you think. For starters: Most of the time, it's not human food.
Corn production could hit a record high this year and that's an issue.
Surpluses put corn prices at a four-year low. Can farmers sell it all?
Corn farmers like Keith Alverson in Chester, South Dakota are readjusting their plans for spring amid dropping corn prices.
The near record highs for corn prices have been great economic news for Iowa towns like Hull.
How the sky-high price of farmland has reshaped the state.
