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阿维印楝素防治稻飞虱具有较好的效果,每667m2用1.1%阿维印楝素100-150 ml,防效达89%-91.9%,持效期可达21d。
Avia azadirachtin has a good effect against planthoppers, with 66% of every 667m2 with 1.1% Avnettin 100-150 ml, the preventive effect of 89% -91.9%, the persistence of up to 21d.