环腐病是危害洋芋的一种病害,据山西雁北地区11个县54个公社188个大队的调查,不少社、队的腐烂率达15％以上,部分大队达30％,个别田块竟高达60％。雁北地区农业科学研究所的革命职工,遵照毛主席关于“人类总得不断地总结经验,有所发现,有所发明,有所创造,有所前进”的教导,在呼和浩特市制药厂的大力支持下,利用抗菌素发酵滤渣及 Ring rot is a disease that damages potato. According to a survey of 188 brigades in 54 communes of 11 counties in Yanbei, Shanxi, many clubs have a decay rate of over 15% and some battalions reach 30% As high as 60%. The revolutionary workers of Yanbei Agricultural Science Institute comply with Chairman Mao’s teachings on “human beings always summarize experiences, find out, find inventions, create and advance” and vigorously support pharmaceutical factories in Hohhot Under the use of antibiotic fermentation residue and