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Sherman big bluegrass, a selection of Poa ampla Merr., has frequently been cited as a plant with very early growth (Hanson 1959; Vallentine 197 1). Hyder and Sneva (1963) and Currie ( 1969) indicated that it reached a grazing readiness 2 to 4 weeks earlier than crested wheatgrass (Agropyron s however, published data to support this are lacking. This study documents early spring production (April 5 to May 15) of Sherman big bluegrass and Nordan crested wheatgrass during 6 years on the high, cold desert of eastern Oregon.

Early Growth of Nordan Crested Wheatgrass and Sherman Big Bluegrass