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1、去年山东、河北等14个省市遭受大面积蝗灾。天津有30多万亩土地,蝗虫密度多达每平方米四千到五千只(国家要求2只以下),粮食颗粒无收。
Last year, 14 provinces and cities such as Shandong and Hebei suffered large-scale locust plague. Tianjin has more than 300,000 acres of land, locust density up to four thousand to five thousand per square meter (the state requires two or less), grain crop failure.