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domagojk t1_itmlcqz wrote

Reply to comment by Timlang60 in This new farming robot uses lasers to kill 200,000 weeds per hour by GonjaNinja420

That is not correct. If any root pieces are left underground they will eventually grow new plants. You should be pulling the whole sprouts out to basically starve the weeds. Or, obviously, use chemicals to stop them from growing.

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Timlang60 t1_itmzd8c wrote

Sure, filling the roots is ideal. But if you keep cutting off the above ground parts - namely the leaves - and depriving it of energy and respiration, the roots will die.

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