单词	nutsedge
释义	nutsedge /ˈnətsej / noun An invasive sedge with small edible nutlike tubers. Also called nutgrass. Genus Cyperus, family Cyperaceae: two species, purple nutsedge (C. rotundus) and yellow nutsedge (C. esculentus) . See also chufa. In addition to control of Poa trivialis, the evaluations will include control of yellow nutsedge, tall fescue, quack grass and several other grassy weeds.... Early in his learning curve with conservation tillage, Johnson tried to control annual grasses, nutsedge, and morning glories by strip-tilling peanuts into mowed rye. But once established, they can be next to impossible to get rid of, as anyone who has battled Bermuda grass or yellow nutsedge in flower beds will attest.
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