Huttunen I, Huttunen M, Salo T, Mattila P, Maanavilja L, Silfver T. National-scale nitrogen loading from the Finnish agricultural fields has decreased since the 1990s. AFSci [Internet]. 2023Oct.2 [cited 2024May30];32(3):112–127. Available from: https://journal.fi/afs/article/view/125385