Four corn hybrid types at three plant densities and two nitrogen rates were evaluated for corn forage and silage quality. The four hybrid types included nutri-dense, waxy, leafy, and dual-purpose; while the three target plant densities were 54 000, 68 000, and 81 000 plants ha^-1; and the nitrogen rates were 134 and 224 kg ha^-1. �Hybrids were examined both at harvest and after ensiling for protein and digestibility.� Higher nitrogen rates and ensiling increased crude protein when averaged over all hybrids and plant densities.� Data for 2003 indicated neither plant density, nor nitrogen affected acid detergent fiber (ADF) or neutral detergent fiber (NDF); while the nutri-dense and leafy hybrids had the highest ADF and NDF values.