Salonen, Jukka, Mari Niemi, Minna Haavisto, and Eeva-Liisa Juvonen. “Effect of Annually Repeated Weed Harrowing Against Chenopodium Album (L.) in Organically Grown Spring Cereals”. Agricultural and Food Science 31, no. 2 (May 19, 2022). Accessed April 19, 2024. https://journal.fi/afs/article/view/115327.