Effect of clear-felling and harvest residue removal on nitrogen and phosphorus export from drained Norway spruce mires in southern Finland - Kaila, Annu; Laurén, Ari; Sarkkola, Sakari; Koivusalo, Harri; Ukonmaanaho, Liisa; O’Driscoll, Connie; Xiao, Liwen; Asam, Zaki; Nieminen, Mika (Boreal Environment Publishing Board, 2017)