Fine root classification matters: nutrient levels in different functional categories, orders and diameters of roots in boreal Pinus sylvestris across a latitudinal gradient - Mucha, Joanna; Zadworny, Marcin; Helmisaari, Heljä-Sisko; Nihlgård, Bengt; Repo, Tapani; Żytkowiak, Maciej; Małek, Stanisław; Reich, Peter B.; Oleksyn, Jacek (Kluwer Academic Publishers, 2020)
Keywords: Diameter cutoffs; Fine roots; Absorptive vs. transport roots; nutrients (animals and humans)