Growers cautioned to be on the lookout for invasive pigweeds

Pennsylvania farmers face a new threat.

Palmer amaranth and waterhemp have invaded the state. These two pigweeds can harm crop yields up to 91 percent.

Researchers at Pennsylvania State University’s College of Agricultural Sciences recommend farmers exercise complete control over possible outbreaks.

But since these pigweeds grow at fast rates, they can often become difficult to control.

To read more about the danger facing Pennsylvania farmers, click here.

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