7Buhler D D,Liebman M,Obrycki JJ.Theoretical and practical challenges to an IPM approach to weed management[J] .Weed Science,2000,48(3):274-280.
8Albrecht H.Suitability of arable weeds as indicator organisms to evaluate species conservation effects of management in agricultural ecosystems[J] .Agriculture,Ecosystems and Environment,2003,98(1-3):201-211.
9Blackshaw R E,Harker K N,O'Donovan JT,et al.Ongoing development of integrated weed management systems on the Canadian prairies[J] .Weed Science,2008,56(1):146-150.
10Didon U M E.Variation between barley cultivars in early response to weed competition[J] .Journal of Agronomy and Crop Science,2002,188(3):176-184.
