Bugs may be resistant to genetically modified corn

(AP) -- One of the nation's most widely planted crops - a genetically engineered corn plant that makes its own insecticide - may be losing its effectiveness because a major pest appears to be developing resistance more quickly ...

Crop sensors outdo farmers at choosing nitrogen rates

Choosing how much nitrogen (N) to put on corn fields isn't something farmers take lightly. Many factors go into the decision, including past experiences, the timing of application, yield goals, and results from soil tests.

Global warming could spell disaster for corn crops

(PhysOrg.com) -- If corn producers continue using the same cultivars, plants selected for their desirable characteristics, global warming could cause production to drop from 1.3 to 10 percent between 2010 and 2039.

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