Ecotype Total N NH4+-N NO3-N NH4NO3 CO(NH2)2
Forest -6.90*** A -19.1*** a A -9.81*** ab A -4.94** b A -7.37* b A
Broadleaved forest -2.70* A -10.7* a A -8.91 ab* AB -2.70 ab B 8.46 b A
Coniferous forest -3.51* A -22.3*** a A -12.1*** a A -7.44** b C -10.1** a A
Grassland -10.9*** B -35.8*** a B -3.61* b B -10.1*** b B -9.07*** b A
Tundra -11.5** AB -31.1*** a AB -4.29 b AB -8.92* b A N/A
Shrub -4.77* ABD N/A -2.36 a AB -5.38* a AB N/A
Desert 3.15D N/A N/A 3.15 A N/A
Wetland 12.9* CD N/A N/A 12.9* C N/A