Miller, Melanie, Grant Edwards, Helen Hague, and Racheal H. Bryant. “Tactical Use of Gibberellic Acid and Nitrogen Fertiliser to Improve Production of Perennial Ryegrass and White Clover Swards”. Journal of New Zealand Grasslands 84 (May 16, 2023): 95–102. Accessed April 25, 2025. https://www.nzgajournal.org.nz/index.php/JoNZG/article/view/3614.