Surplus recyclable P sources within-countieswould then need to travel on average 302 km to meet the largest demand in and around the center of the ‘Corn Belt’ region where ~50% of national corn P demand is located.
Surplus recyclable P sources within-countieswould then need totravel on average 302 km to meet the largest demand in and around the center of the ‘Corn Belt’ region where~50% of national corn P demand is located.