三、1998年农作物病虫害主要治理对策建议 1、进一步增强减灾防灾意识。随着耕作制度和作物布局的改变,地膜覆盖、水稻抛秧及旱育稀植等轻型栽培技术的发展,加之气候发生的变化,近年来各地农作物病虫害的发生出现了新情况、新特点。棉铃虫、稻飞虱等重大害虫的治理前几年虽已取得了一些成绩,但问题 III. Suggestions on Main Control Measures for Crop Diseases and Pests in 1998 1. To further enhance awareness of disaster prevention and mitigation. With the development of farming systems and crop layout changes, the development of light cultivation techniques such as plastic film mulching, rice throwing and nursery and sparse planting, coupled with changes in climate, new situations and new features have emerged in crop diseases and pests in various places in recent years. Although some achievements have been made in the management of some major pests such as cotton bollworm, planthopper, etc., the problems