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According to organicAccording to organic gardening experts, BT is one of the "safer natural pesticides you can use." See: However, there is also concern about the overuse of Bt itself as an insecticide, especially for commercial crops, as well as concerns that it might play a role directly or indirectly in the colony collapse disorder of bees. Concentrating any pest control will affect nature's balance. There many other natural remedies, so we have decided to take out mention of Bt. Thank you for bringing this to our attention. 

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