Research Article

Biological and Physicochemical Parameters Related to the Nitrogen Cycle in the Rhizospheric Soil of Native Potato (Solanum phureja) Crops of Colombia

Table 2

Most probable number for some functional groups associated with the edaphic metabolism of nitrogen. The average of three values is shown for every functional group, expressed as mpn g−1 dry soil. Values having the same letter were not significantly different according to Kruskal Wallis pairwise test, significance level.

FarmsProteolyticAmmonifiersAmmonium-oxidizing bacteriaNitrite oxidizing bacteriaDenitrifiers

F1
F2
F3
F4
F5
F6
F7