When farms and ranches over fertilize, rain carries the unabsorbed fertilizer into the watershed. And according the City of Des Moines, those added nitrates in water pose a health risk and add costs to water treatment.
When farms and ranches over fertilize, rain carries the unabsorbed fertilizer into the watershed. And according the City of Des Moines, those added nitrates in water pose a health risk and add costs to water treatment.