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中国农学通报
EM活性菌泥对苹果树腐烂病的防治效果
马志峰,王荣花,贺宏年
Study of Prevention and Cure on Apple-tree Canker with Effective Microorganisms
Ma Zhifeng,Wang Ronghua,He Hongnian
中国农学通报 . 2007, (12): 299 -299 .  DOI: 10.11924/j.issn.1000-6850.0712299