Fertiliser shortages will have ‘dramatic’ effect on global food prices, warns farming boss Powerful property and farming firm Grosvenor Group says knock-on effect of Iran war could arrive next year Fertiliser shortages caused by the Iran war have driven up costs for UK farmers by up to 70% and will have a “dramatic” impact on food prices globally next year, according to one of Britain’s most powerful property and farming companies. Mark Preston, executive trustee of the 349-year-old Grosvenor Group , controlled by the Duke of Westminster , said fertiliser “was already quite expensive” before the 50% to 70% surge in prices since the start of the Iran war in late February. Continue reading...