SPREADING IT THICKER: Prices for the fertilizer potash are expected to fall sharply because of more competition.

SPREADING IT THICKER: Prices for the fertilizer potash are expected to fall sharply because of more competition.

BITTER HARVEST: Fertilizer companies, including Mosaic and Potash Corp. of Saskatchewan, who have benefited from higher prices will be hurt.

MORE BOUNTY: The lower prices could help farmers and, ultimately, consumers, although it's too soon to know how it will play out.