How long do pyrethroid stay effective against insects?

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Farhan Ahmed
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Joined: February 5th, 2012, 9:38 pm
Country: Pakistan
City: Risalpur/Karachi
Gardening Interests: Annuals,Herbaceous Perennials, Landscaping,Cottage Garden
Location: Risalpur,KPK

Re: How long do pyrethroid stay effective against insects?

Post by Farhan Ahmed »

last line on the description
http://king.net.pk/Insect-Powder.html
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