Edmeades, D.C., and R.M. Mcbride. “A Critique: ‘Potassium Requirements of Pasture on Pumice Soil’ by Morton Et Al”. Journal of New Zealand Grasslands 77 (January 1, 2015): 287–290. Accessed September 24, 2026. https://www.nzgajournal.org.nz.myth.agency/index.php/JoNZG/article/view/471.