Kerr, Graham A. “NZGA President’s Address 2019 - Smarter Pasture Renewal Plus Objective Thinking”. Journal of New Zealand Grasslands 82 (September 9, 2020): 7–10. Accessed November 6, 2026. https://www.nzgajournal.org.nz.myth.agency/index.php/JoNZG/article/view/3425.