By Ruby Tiwari and Ramdas Kanissery Yellow nutsedge (Cyperus esculentus) and purple nutsedge (Cyperus rotundus) are perennial weeds that resemble grass. They commonly appear in raised bed vegetable plasticulture systems every year. These weeds spread and reproduce through rhizomes, bulbs and small tubers called nutlets. Just one tuber can generate hundreds of shoots, forming a dense patch that can span …
