%0 Journal Article %T Multispecies weed competition and their economic threshold on the wheat crop %A J. Gherekhloo %A S. Noroozi %A D. Mazaheri %A Ghanbari, Ali %A M. R. Ghannadha %A R.A. Vidal %A R. De Prado %J Planta Daninha %@ 0100-8358 %D 2010