Shades and Wear Effects on Alternative Grasses for Sports Field Mixtures (pdf)
Article by Matt Johns, Gwen Stahnke and Eric Miltner presenting information on the mixtures of Kentucky bluegrass, perennial ryegrass and other intermediate ryegrass performances under shade conditions and wear for western Washington. Data is compiled as of July 2006 and is being updated again in August of 2007.
Sand Based Athletic Field
Article by Tom Cook on maintenance standards for sand based athletic fields.
Soil Based Athletic Field
Article by Tom Cook on maintenance standards for soil based athletic fields.