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随着农业适度规模经营的发展，农民迫切需要省工、省力、高效，高产的水稻栽培技术。因此，水稻直播方法应运而生，并得到较快的推广和应用[2－4]，为直播水稻病虫害的发生种类、特点和趋势，作者于1996－1997年在嘉兴市双桥、宁海县城关镇和富阳市三山镇进行了系统的调查研究?
With the development of moderate scale management of agriculture, farmers urgently need rice cultivation techniques that are labor-saving, labor-saving, efficient and high-yielding. Therefore, the direct seeding method of rice came into being, and has been popularized and applied rapidly [2-4]. It is the type, characteristic and trend of the occurrence of direct seeding rice pests and diseases. The author studied in Shuangqiao of Jiaxing City and Chengguan of Ninghai County from 1996 to 1997 Sanyuan town and Fuyang City conducted a systematic investigation?