Canadian fertilizer companies Potash Corp of Saskatchewan and Agrium Inc are bracing for a pullback in demand from U.S. farmers due to sliding crop prices, but say any slump is unlikely to be severe.

 

The prospect for a record-large U.S. corn crop has dragged Chicago nearby corn futures to a four-year low.  Lower prices of corn, wheat and soybeans reduce farmers' margins, althought big crops offset some of the impact.

 

Corn is one of the biggest users of fertilizer - which boosts crop yields - and the United States pays a premium for potash over some other markerts that commit to supply contracts.

 

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