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德阳地区晒烟病毒病的流行规律及防治研究StudiesontheEpidimicRuleandControloftheTobaccoVirusDiseaseinDeyangDistrict姚革,广治华,鄢学锦(四川省农科院植保所)(四川省烟叶公司)(四...
Studies on the Prevalence and Prevention of Sun-cured Tobacco Diseases in Deyang Area Yao Ming, Guang Zhihua, Yan Xuejin (Plant Protection Institute of Sichuan Academy of Agricultural Sciences) (Sichuan Tobacco Company)