Yläranta, Toivo, Jaana Uusi-Kämppä, and Antti Jaakkola. “Leaching of Nitrogen in Barley, Grass Ley and Fallow Lysimeters”. Agricultural and Food Science 2, no. 4 (July 1, 1993): 281–291. Accessed July 17, 2024. https://journal.fi/afs/article/view/72651.