Morrison, Charles A., Victoria C.F. Westbrooke, and Jim L. Moir. “Potential Profit Gains from Improving Pasture Productivity on New Zealand South Island High-Country Farms”. Journal of New Zealand Grasslands 82 (October 18, 2020): 183–189. Accessed November 6, 2026. https://www.nzgajournal.org.nz.myth.agency/index.php/JoNZG/article/view/450.