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Humphrey is a Consultant in the CRU Fertilizers team, analysing costs across the industry.

He contributes to the Nitrogen, Phosphate and Potash Cost Reports.

Prior to joining CRU, Humphrey worked as a geologist at a major lead-zinc mine in the Republic of Ireland and at a gold exploration project in Mexico.

He holds an MSc in Geology from Imperial College London and an MSc in Mining Geology from Camborne School of Mines (University of Exeter).

Articles from our industry expert


ICL bets on polyhalite as UK potash production finally ends

The Boulby potash mine in North Yorkshire, operated by Israel Chemicals Ltd (ICL) since 2001, is set to become the world’s first dedicated polyhalite mine this year as the...

By Humphrey Knight & Rajiv Ram 05 June 2018