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He added that the weeder can zap 6,500 weeds per minute, compared with the roughly 40 weeds per minute that can be picked by hand.

Instead, the researchers suggest pairing genetic engineering with AI technologies to create visually distinctive de novo crops plants that robot weeders can easily differentiate from weeds.

Then he answered in his squeaky voice, “Take me to your weeder.”

The downside is that flame weeders don't work well on weeds taller than two inches, and they don't kill the roots.

The gardeners are equipped with flame weeders, he replied.