Productivity and Persistence of Multi-Cultivar Perennial Ryegrass Mixtures.
R. Howard Skinner, Bldg. 3702, USDA-ARS, University Park, PA, Richard G. Smith, Natural Resources and Environment, University of New Hampshire, Durham, NH, US, Sidney C. Bosworth, 208 Jeffords Building, University of Vermont, Burlington, VT, Richard Jasper Kersbergen, University of Maine, Waldo, ME and Fredric W Pollnac, University of New Hampshire, Durham, NH