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Table 3 Plant-available N and P of soil collected from three sampling zones (inside, ring-edge, or outside) after sterilization (used in greenhouse experiment)

From: Assessing soil microbes that drive fairy ring patterns in temperate semiarid grasslands

 

Inside

Ring-edge

Outside

\({\text{NH}}_{4}^{+}\)-N (µg g− 1 dry soil)

29.15 ± 3.56

39.97 ± 5.44

28.56 ± 1.99

\({\text{NO}}_{3}^{-}\)-N (µg g− 1 dry soil)

127.82 ± 18.29

135.33 ± 9.61

113.44 ± 4.82

Plant-available N (\({\text{NH}}_{4}^{+}\)-N + and \({\text{NO}}_{3}^{-}\)-N, µg g− 1 dry soil)

156.97 ± 14.86ab

175.31 ± 14.66a

141.99 ± 3.59b

Plant-available P (µg g− 1 dry soil, AP)

4.66 ± 0.30a

4.66 ± 0.23a

3.45 ± 0.14b

AN:AP ratio

34.02 ± 4.34

37.93 ± 4.63

41.14 ± 0.64

  1. Different letters indicate significant difference in Duncan’s multiple range tests reported from one-way ANOVA (p < 0.05)