Global Fertilizer Prices and Analysis Since 2004, Profercy has provided unrivalled news, analysis and forecasting of global fertilizer markets. Our analysis is supplied daily to companies at every stage of the supply chain, as well as to investors and financial analysts, across the world. The editor of the Profercy Nitrogen Service is Chris Yearsley who has over 10 years’ experience reporting on and analyzing developments in the fertilizers trade. Tom Jago, a respected analyst with many years of industry and financial reporting experience, leads the Profercy Phosphates & NPKs Service and the Profercy Potash Service.