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山东省科学院生物研究所承担的“S—921抗生素防治苹果树腐烂病扩大试验”,于6月4日在省科学院通过了验收。S—921是河北省科学院生物研究所研究提出的一种新
Shandong Academy of Sciences Institute of Biology commitment “S-921 antibiotic prevention apple tree rot disease expansion test”, on June 4 in the provincial Academy of Sciences passed the acceptance. S-921 is a new research proposed by Institute of Biology, Hebei Academy of Sciences