Fig. 2. Proportion of nonsown grass and broadleaf species during 2002 to 2004 of pastures planted to four different mixtures of forages at University Park, PA. Species sown were two species (orchardgrass–white clover), three species (orchardgrass, white clover, and chicory), six species (orchardgrass, tall fescue, perennial ryegrass, red clover, birdsfoot trefoil, and chicory), and nine species (the six-species mixture plus white clover, alfalfa, and Kentucky bluegrass).