Galon, L. Basso, F.J.M. Chechi, L. Pilla, T.P. Santin, C.O. Bagnara, M.A.M. Franceschetti, M.B. Castoldi, C.T. Perin, G.F. Forte, C.T. <br/><br/>
Weed interference period and economic threshold level of ryegrass in wheat 

<br/><br/><label>Subjects--Topical Terms: </label><br/>TRIGO<br/>ERVA DANINHA<br/>HERBICIDA<br/>MODELO MATEMÁTICO