Biological control takes a food-chain approach to invasive plants
(Newser) -
Officials in the Midwest are returning to a tried-and-true technique to fight invasive plants, the
Chicago Tribune reports. Biological control uses natural enemies to rein in pests, and importing a tiny brown beetle in the 1990s brought under control a fast-spreading European weed, known as loosestrife, that was terrorizing agriculture....
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