World Fertilizer Prices Drop (IMAGE) IFDC Caption World fertilizer prices doubled in 2007 and reached all-time highs in April 2008. But prices began dropping dramatically in October and November. Credit Graph by IFDC from information obtained from Green Markets and FMB Weekly Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.