با افزایش نگرانی های آلودگی آب در آیووا، سود صنعت کود نیز افزایش می یابد

As Water Pollution Concerns Grow in Iowa, So Do Fertilizer Industry Profits

As farmers balk at skyrocketing fertilizer costs and runoff threatens drinking water sources in Iowa, North American manufacturers are raking in cash. Illinois-based CF Industries and Canadian company Nutrien dominate the domestic market for nitrogen-based fertilizers. Together, the two corporations are responsible for 55 percent of U.S. fertilizer production. In recent years, they have seen […]