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蚕豆赤斑病和轮斑病防治时期研究初报王淑英赵学懿（甘肃省草原生态研究所兰州７３００２０）（临夏县土桥农技站临夏７３１１００）杨生利丁国卫（临夏县种子公司临夏７３１１００）（临夏州农科所临夏７３１１００）甘肃省是我国春蚕豆主产区，仅临夏州的８个县（市）年...
Preliminary Study on the Control Period of Broad Bean Red Leaf Spot and Leaf Spot Disease WANG Shuying, ZHAO Xueyi (Gansu Institute of Grassland Ecology, Lanzhou 730020) (Linxia Dobashi Agricultural Technology Station, Linxia 731100) Yang Shengli Ding Guowei (Linxia Seed Company Linxia 731100) Section Linxia 731100) Gansu Province is the main producing areas of China’s spring broad bean, Linxia only eight counties (cities) year ...