UNIVERSITY PARK, Pa., May 27 -- Pennsylvania State University issued the following news release:

UNIVERSITY PARK, Pa. - Many soybean farmers use seeds treated with fungicides to ward off disease, but the profits from these increased yields might not offset the cost of the treatment in most cases, according to a study published in Scientific Reports by researchers at Penn State.

The researchers analyzed how seed treatments affect yield and profitability in soybean farms in the Midwest and found that yield gains were modest and often did not offset the added cost of the treatment. Additionally, financial benefit was likely only when seed treatment costs were low and soybean prices were high.

Paul Esker, professor of epidemiology and of fi...