Manitoba Agriculture's Manasah Mkhabela at Arborg, Man. in July 2025, discussing trials he's conducting with University of Manitoba soil scientist Mario Tenuta to find the sweet spot for nitrification inhibitors. Photo: Don Norman

How much nitrogen can farmers really cut?

Manitoba fertilizer trials search for the sweet spot where farmers can cut nitrogen rates, with a nitrification inhibitor, without harm to yield

Manitoba fertilizer trials seek a sweet spot where farmers can cut nitrogen rates, with a nitrification inhibitor, without hurting yield and with fewer greenhouse gas emissions.