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1990~1993年在绥化市粉米厂,采用人工清除、辐照不育、溴甲烷熏蒸、自然低温处理等综合防除方法,肃清了该厂厂房内的谷象。
From 1990 to 1993 in Suihua Powder Factory, using artificial removal, sterile irradiation, methyl bromide fumigation, natural low temperature treatment and other integrated control methods to eliminate the plant in the valley elephant.