Restrictions protect groundwater in applying fertilizer: MDA
ST. PAUL — To protect groundwater, farmers and commercial applicators applying fall nitrogen fertilizer are restricted in some areas of the state, according to the Minnesota Department of Agriculture. Under the Groundwater Protection Rule, fall nitrogen fertilizer application is prohibited in vulnerable areas of Minnesota due to environmental concerns or risks. Areas with coarse-textured soils or areas above fractured bedrock or karst geology are the most vulnerable to nitrate loss and groundwater contamination. The MDA announced updates to its fall nitrogen fertilizer restriction ...