Hartley, M.J., A. Rahman, K.C. Harrington, and T.K. James. “Assessing Ground Covers in a Newly Planted Apple Orchard”. New Zealand Plant Protection 53 (August 1, 2000): 22–27. Accessed February 23, 2024. https://journal.nzpps.org/index.php/nzpp/article/view/3643.