Evaluating the potential of using a Canadian Sudangrass hybrid and ryegrass as companion crops for alfalfa establishment

Alfalfa is a legume forage crop that is intensively grown in Canada and represents a major feed source for livestock ruminants (i.e. dairy cows). When establishing pure stands of alfalfa (Medicago sativa L.) there are two primary options to minimize weed encroachment: the use of herbicides or the use of companion crops. Companion crops will minimize weed development during the establishment year, provide more harvestable forage biomass, and reduce risks of erosion.