Much of California�s annual rangeland has become infested with weedy grasses.� These weeds adversely affect the rangeland forage quality.�� This paper considers yearling stocking rates and performance to determine the influence weedy grasses have. �For three years, replicated experimental pastures received light disking, a glyphosate and annual Transline treatment and were seeded with Gulf annual ryegrass at 20 lbs/acre.�� Cattle were weighed and introduced to the plots in March and removed in late May.� Grazing metrics include cattle gain and AUM /acre harvest. Forage biomass, species and quality data were collected.� Costs were calculated and economics considered in the analysis.
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