Blackshaw R E.Manage weed in conservation tillage[A].1995:30-32
[4]
Espeby L.Germination of weed seeds and competition in stands of weeds and barley[D].Sweden:Uppsala.1989:1-55
[5]
黄建中,姚东瑞.杂草学[M].北京:中国农业科技出版社.1995:1-150
[6]
Swanton C G.Integrated weed management:the rational and approach[J].Weed Technology.1991,5:657-663
[7]
O'Donovan J T.Canola(Brassica rape)plant density influence tartary buckwheat(Fagopyrum tataricum)interference,biomass and seed yield[J].Weed Science.1994,42:385-389
[8]
Robert L J.Fundamental of weed science[M].USA:Academic Press Inc.1993:1-220
[9]
Jornsgard B,Rasmussen K,Hill J.Influence of nitrogen on competition between cereals and their natural weed populations[J].Weed Research.1996,36:461-470