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 |