Does Lime have any chemicals that repel flies?
My relatives have been using lime as an alternative for fly repellent these few days, and it came to mind to ask if there are really chemicals that repel flies?
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Lime powder, which comes from limestone, contains calcium and magnesium. Insect bodies will dry out and suffocation will occur when they come in contact with lime. For young insects, they dry out and it irritates larger ones. However, it does not discriminate against only the pests and can harm beneficial ones as well. Hydrated lime applied to crops is an effective insecticide against fleas, aphids, beetles, however this has been reported by vegetable growers, but not corroborated by scientists. Hydrated lime in farming is used as an insect repellent due to the fact that it doesn't harm the pest or the plant. When applying hydrated lime, it can harm foliage and roots by burning them. Usually, it is applied to dormant plants prior to growing season.
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