Black, Alistair D, and Richard J Lucas. 2018. “Dry Matter Yield of Dryland and Irrigated Mixtures of Caucasian Clover, White Clover and Perennial Ryegrass over 5 Years at Lincoln University”. Journal of New Zealand Grasslands 80 (November):73-80. https://doi.org/10.33584/jnzg.2018.80.336.