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Zeng Juan,柿可晒劳伦斯 director of the Disease and Pest Forecasting Division of the National Agricultural Technology Extension Service Center, said: "During this period, it is especially necessary to strengthen field investigations, carry out prevention and early prevention and control in advance in areas with recurrent epidemic risks, and avoid southern rust of corn in the Huanghuaihai region and rice in the Northeast. Plague, corn leaf spot and armyworm are re-emerging, and damage losses are minimized."