Mohammadi, Oili, Leena Ristimäki, Stephan Vermeulen, and Esko Viikari. “Nitrogen Fertilization of Winter Wheat in Spring in Finland: Comparison of Calcium Ammonium Nitrate and Calcium Nitrate, and the Effect of Split Application”. Agricultural and Food Science 63, no. 2 (April 1, 1991): 93–98. Accessed July 20, 2024. https://journal.fi/afs/article/view/72397.