cost of seeding rye per acre
crop profile, annual ryegrass (Lolium multiflorum Lam.) and perennial ryegrass (Lolium perenne. L.) are treated as one crop unless otherwise noted.) â In 2001, Oregon harvested 123,450 acres of annual ryegrass with a value of $39,862,000, and. 171,530 acres of perennial ryegrass seed with a value of $98,205,000. â Annual ryegrass averages 1,900 pounds of seed per acre; perennial ryegrass averages 1,450. pounds of seed per acre. â Production cost for annual ryegrass is approximately $400 per acre; production cost for perennial. ryegrass ranges from $600 to $700 per acre, depending on the area of production.