Fig. 1. Corn grain yield as affected by municipal solid waste compost (MSWC) rate and maturity at Arlington and Portage, Wisconsin, 1993–1994. Control grain yields (Mg ha^-1) for Arlington were 6.5 ± 1.0 in 1993 and 8.8 ± 0.5 in 1994, and 179 kg N ha^-1 grain yields were 9.6 ± 1.0 in 1993 and 12.4 ± 1.0 in 1994. Control grain yields (Mg ha^-1) for Portage were 5.6 ± 1.0 in 1993 and 9.5 ± 0.2 in 1994, and 179 kg N ha^-1 grain yields were 6.0 ± 1.2 in 1993 and 10.5 ± 0.9 in 1994.