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Effect of Plastic Mulch on Sweet Potato Yield and Quality

Sweet potato, Ipomoea batatas, is a warm-season vegetable predominantly grown in the southern part of the United States. In recent years, its production region has expanded quite rapidly to various Midwestern and Eastern states. Growing sweet potatoes in Iowa could be challenging especially due to the short growing season. The crop requires a long frost-free period and high soil and air temperatures to produce quality roots. Growing this crop on raised beds with plastic mulch could be an alternative technique as plastic mulch warms the soil and accelerates crop growth.