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于春、秋二季分别使用88.8%飞达红可溶性粒剂120~150 g/667m2,可有效控制加拿大一枝黄花的发生与危害。
88.8% Feida Hong soluble granules 120 ~ 150 g / 667m2 were respectively used in spring and autumn, which could effectively control the occurrence and harm of Solidago canadensis.