Brod, Eva, Trond Knapp Haraldsen, and Tor Arvid Breland. “Fertilization Effects of Organic Waste Resources and Bottom Wood Ash: Results from a Pot Experiment”. Agricultural and Food Science 21, no. 4 (December 18, 2012): 332–347. Accessed March 29, 2024. https://journal.fi/afs/article/view/5159.