Olykan ST, Lucas RJ, Moot DJ. Sampling methods for clover species in grazed pastures to diagnose mineral deficiencies. Journal of NZ Grasslands [Internet]. 2019 Oct. 31 [cited 2025 Nov. 27];81:241-8. Available from: https://www.nzgajournal.org.nz/index.php/JoNZG/article/view/407