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Fred Yoder, a fourth-generation farmer, clears weeds in the corn field at his farm in Plain City, 24 kilometers away from Worthington, in Ohio, the United States, Aug. 18, 2018. (Xinhua/Wang Ying)
Fred Yoder, a fourth-generation farmer, clears weeds in the corn field at his farm in Plain City, 24 kilometers away from Worthington, in Ohio, the United States, Aug. 18, 2018. (Xinhua/Wang Ying)