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近三年,山芋烂根病在我县一些地区不断扩大蔓延,感病的山芋轻者成片死苗,严重的绝产无收,已成为生产上一大威胁。
In the past three years, rotten root disease in some counties in our county continue to expand and spread, the less susceptible disease of potato become dead shoots, a serious crop failure, has become a major threat to production.