BUENOS AIRES, Oct 7 (Reuters) - Argentine oilseed workers' unions said on Tuesday they will begin a strike at processing plants over wages starting from Wednesday. The South American nation is a top world supplier of grains. (Reporting by Walter Bianchi; Editing by Chris Reese) (The article has been published through a syndicated feed. Except for the headline, the content has been published verbatim. Liability lies with original publisher.)
