Fertilizer producer CF Industries Holdings Inc. posted a lower-than-expected profit on Thursday as integration costs for recently acquired rival Terra Industries drained profit, sending shares down more than 3 percent in after-hours.

The company spent more than $113 million during the period to integrate Terra, which it bought in March for more than $4.6 billion. Executives said the integration is on track and delivering the cost savings it had expected. Get the full story »