Published: Mar 05, 2011 11:12 PM EST
Updated: Mar 05, 2011 8:12 PM EST

TAMPA, Fla. (AP) - Farmworkers and their advocates are rallying at Publix stores in Tampa for better pay.

The Coalition of Immokalee Workers group is wrapping up a five-city national tour Saturday with rallies calling for the supermarket chain to pay workers a penny more per pound for tomatoes. Supporters from church groups are expected to join coalition members for the Tampa events.

Around 30,000 workers harvest Florida's $619 million tomato crop.

Lakeland-based Publix, with 1,032 stores in the southeast, has so far refused to pay workers an extra penny per pound. Spokeswoman Shannon Patten, in an e-mail to the News-Press of Fort Myers, said the coalition should instead build the increase into the price it charges with industry.

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