Faced with tougher and more resistant weeds, corn and soybean farmers are anxiously awaiting government decisions on a new version of a popular herbicide.

They also waiting on genetically modified seeds to grow crops designed to resist it.

Critics say more study is needed on the effects of the herbicide and they are concerned it could endanger public health.

The Environmental Protection Agency is expected to rule this fall on a new version of the 2,4-D herbicide.

Source: Associated Press