Fig. 1. Effects of broiler litter supplemented with and without fertilizer N and commercial fertilizer application rates on residual soil NO3N concentrations at the Coffeeville and Cruger locations at the end of 3 yr in 2004.
Fig. 2. Effects of broiler litter supplemented with and without fertilizer N and commercial fertilizer application rates on soil P concentrations at the Coffeeville and Cruger locations at the end of 3 yr in 2004.