Pesticide Use Rises Along With Weed, Insect Resistance, Study Shows

Since the introduction of genetically modified crops, American farmers have used more than 400 million pounds of agricultural chemicals, leading to widespread weed and insect resistance, according to a study released this week.

The study, by Washington State University researcher Charles Benbrook, was the first to examine federal data on pesticide use, and was published in the peer-reviewed journal, Environmental Sciences Europe.

The agricultural biotechnology industry, including Creve Coeur-based Monsanto Co., has long said that their products reduce overall pesticide use. But in recent years, according to Benbrook’s study, herbicide use has shot up as weeds become resistant, forcing farmers to apply more.

Read more on St. Louis Post-Dispatch.

Photo courtesy of St. Louis Post-Dispatch

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