N
N accumulation
N acquisition
N addition
N application
N application rates
N assimilation
N atoms
N availability
N balance
N bond

N bond distances
N bond lengths
N budget
N classification
N cm
N coating
N compounds
N concentration
N conditions
N content
N cycle
N cycling

N decreased
N demand
N deposition
N distances
N donors
N dynamics
N effects
N Engl J Med
N enrichment
N fertilisation
N fertilization
N fertilizer

N films
N fixation
N fluxes
N forms
N g
N gene
N group
N groups
N HCl
N hydrogen bonds
N ii
N immobilization

N input
N L
N Ligands
N NaOH