Conclusions: Greenhouse<BR>Non-mulched control: Relative to Purple Nutsedge, Yellow Nutsedge produced: <BR>9xs more shoots  <BR>7xs more tubers  <BR>Mulches: Reduced Yellow Nutsedge  <BR>Shoot #s by 96% <BR>Tuber #s by 50% <BR>Differences in purple nutsedge shoot #s and tuber #s could not be detected among treatments<BR>