摘要: (1) 03-06 January.Northeastern Weed Science Society (U.S.).Annual Meeting.Baltimore,MD,USA.Info:www.newss.org (2) 28 February-02 March.Ewrs Workshop on Weeds and Biodiversity.Dijon,France.Info:www.ewrs.org/biodiversity (3) 05-09 March.Global Conference on Entomology.Chiang Mai,Thailand.Info:info@entomology2011.com,www.entomology2011.com (4) 07-10 March.Western Society of Weed Science (U.S.).Annual Meeting,Spokane,WA,USA.Info:S.McDonald,voice:1-970-266-9573.SandraMcDonald@gmail.com.www.wsweedscience.org (5) 08-10 March.4eme Conference Internationale Sur Les.Methodes Alternative En Protection Des Cultures.Lille,France.Info:AFPP,afpp@afpp.net.Fax:33-014-179-1981. http://tinyurl.com/2g5j89z (6) 21-25 March.6th International Workshop on Management of the Diamondback Moth and other Crucifer Insect Pests.Nakhon Pathom,thailand.Info:R.Srinivasan,Srini.Ramasamy@worldveg.org (7) 28-30 March.Ewrs Physical and Cultural Weed Control.Workshop.Samsun,Turkey.Info:www.ewrs.org/pwc