大豆重茬主要土传病虫害及其防治（续）陈品三（中国农业科学院植保所）王昌家（黑龙江省宝泉岭国营农场管理局科研所）３大豆胞囊线虫和疫霉根腐病的综合防治种苗期是土传病原生命最弱、但即将转强的关键环节，易防应治；特别是病害一有发生即不能复原，更要重视预防；备... Soybean re-cropping main soil-borne diseases and pests and its prevention and treatment (continued) Chen Pin-san (Institute of Plant Protection, Chinese Academy of Agricultural Sciences) Wang Changji (Heilongjiang Province Baochuanling State Farm Administration Scientific Research Institute) 3 soybean cyst nematode and Phytophthora capsici Period is the weakest soil-borne pathogenic life, but is about to strengthen the key link, easy to prevent and cure; especially when the disease can not be restored as soon as possible, but also pay attention to prevention;