Boreal forest plants take up organic nitrogen

absorption de substances nutritives amino acids arbre forestier arbuste arbustos azote boreal forests coniferous forests cycle de l'azote deschampsia forest trees glicina glycine (amino acid) gramineae mineralisation mineralization mycorrhizae nitrogen nitrogen cycle nutrient uptake nutrition des plantes organic compounds picea abies pinus sylvestris plant nutrition poaceae shrubs vaccinium myrtillus