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The farmworkers' strike in the Western Cape was suspended for one week on Wednesday.
Cosatu provincial secretary Tony Ehrenreich said the strike would resume next Wednesday unless Agri SA agreed to certain conditions.
Earlier, Agri SA president Johannes Möller said no agricultural wage deal had yet been made in the country.
He said a single Clanwilliam farmer had made an agreement that was "welcomed by Cosatu and portrayed by them as a collective deal with Clanwilliam farmers".
The offer was apparently not supported or mandated as a collective agreement by other farm leaders and their organisations in the area.