Science proves what farmers already know: Goats make excellent weedkillers.
Herbivores—not herbicides—is the way to go, according to research published in the journal PeerJ.
The researchers compared the effectiveness of goats versus chemical herbicides against the common reed—a grass that is overrunning coastal wetlands from New England to the Southeast. "For more than two decades, we've declared major chemical and physical warfare on this grass, using all the latest man-made weapons," says Brian R. Silliman, PhD, associate professor of marine conservation biology at Duke's Nicholas School of the Environment. "We've used helicopters to spray it with herbicides and bulldozers to remove its roots. More often than not, however, it returns."
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