How To Apply Canola Oil As A Pesticide
How to Apply Canola Oil As a Pesticide. Even if you garden organically, you might be tempted to douse your plants with pesticides when hungry insects drop by for a visit. If you'd rather avoid chemicals, try canola oil as a natural pesticide. Canola, like other vegetable oils, is safe for most plants and won't harm humans or pets. The effects of canola oil differ, depending on the pest. For example, canola oil may poison some bugs or blocks insects' air holes, causing them to suffocate.
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