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植物病虫是农业生物灾害的主要种类。通过比较近年全国农作物病虫发生种类演变,分析了进入21世纪以来我国农作物病虫害发生成灾与为害损失情况等,供植保的科学决策。
Plant pests are the major species of agricultural biological disasters. By comparing the types of crop pests and diseases occurring in the country in recent years, the paper analyzes the scientific decision-making of plant protection and protection for the damage and loss of pests and diseases of crops in our country since the 21st century.