Harrington, K.C., D.J. Horne, and P.D. Kemp. 2014. “Can Differences in <i>Cirsium arvense</i> and <i>Rumex obtusifolius</i> Densities Within Pastures Be Explained by Soil Parameters”. New Zealand Plant Protection 67 (January):238-44. https://doi.org/10.30843/nzpp.2014.67.5786.