我县常发生的病虫害主要有玉米螟、大豆蚜,大豆实心虫,水稻稻瘟病等,水旱田常见杂草主要有稗草、牛毛草、苣荬菜等五十多种杂草。这些病虫草害虽然不是每年发生都很严重,但每年都有几种给生产造成严重危害。只有熟悉掌握这些病虫草害的发生、发展规律,才能有效的进行预防和控制。 Pests and diseases that often occur in our county mainly include corn borer, soybean aphid, soybean solid heartworm and rice blast. Common weeds in water and dry land mainly include over 50 kinds of weeds such as barnyardgrass, foxtail grass, and chicory. Although these pests and diseases are not very serious every year, several each year produce serious harm to the production. Only by familiarizing themselves with the occurrence and development of pests, diseases and weeds can be effectively prevented and controlled.