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一、当前农作物病虫害仍是我省农业生产上的大敌农作物病虫害对农业生产为害极大,损失相当严重,轻者减产,重者造成颗粒无收。据有关资料估计,全世界每年由于病、虫、杂草的为害损失达30％,1976年即损失1,230亿美元。按地区来看:欧洲损失25％;南美洲损失33％;非洲、亚洲损失42％。我省在解放初期病虫为害也是相当严重的,仅因病虫为害,全年损失粮食20％以上。
First, the current crop pests and diseases are still the major enemy of agricultural production in our province. Pests and diseases are extremely detrimental to agricultural production. The losses are quite serious, with light output and heavy output. According to relevant information, the annual loss due to diseases, insects and weeds in the world reaches 30%. In 1976, it caused a total loss of 123 billion U.S. dollars. By region: 25% loss in Europe; 33% loss in South America; and 42% loss in Africa and Asia. In the early liberation of our province pests and diseases are also quite serious, only pests and diseases, the annual loss of food more than 20%.