Vazin, F. <br/><br/>
The effects of pigweed redroot (Amaranthus retoflexus)weed competition and its economic thresholds in Corn (Zea mays) 

<br/><br/><label>Subjects--Topical Terms: </label><br/>MILHO<br/>ZEA MAYS<br/>CARURU<br/>RENDIMENTO<br/>DENSIDADE DE SEMEADURA