Griffiths, W., M. Dodd, B. Kuhn-Sherlock, and D. Chapman. “Management Options to Recover Perennial Ryegrass Populations and Productivity in Run-Out Pastures”. NZGA: Research and Practice Series, vol. 17, Sept. 2021, pp. 401-10, doi:10.33584/rps.17.2021.3453.