Table 1 Soil chemical and biological properties of different plots in 5 subtypes and 13 genera of saline-alkali soil in arid regions of northwest China
From: Diversity of bacterium communities in saline-alkali soil in arid regions of Northwest China
Treatment groups | pH value | Organic matter content /g/kg | Total salt content /% | Sulfate ion content /% | Chloride ion content /% | Urease mg/g | Alkaline phosphatase mg/g | Dehydrogenase mg/g |
|---|---|---|---|---|---|---|---|---|
MS.CT | 8.56 | 8.27 | 6.03 | 1.09 | 0.38 | 0.23 | 0.08 | 5.51 |
MS.SCT | 8.44 | 13.61 | 3.81 | 1.13 | 0.44 | 0.05 | 0.02 | 2.04 |
MS.CST | 8.98 | 10.02 | 6.07 | 1.09 | 0.75 | 0.36 | 0.04 | 1.97 |
MS.ST. | 8.79 | 9.25 | 4.09 | 1.01 | 0.18 | 0.16 | 0.10 | 4.80 |
OS.CT | 8.98 | 4.36 | 11.63 | 1.06 | 0.85 | 0.84 | 0.02 | 0.34 |
OS.SCT | 8.37 | 5.54 | 15.27 | 1.31 | 0.41 | 0.11 | 0.02 | 1.37 |
OS.CST | 8.92 | 10.76 | 9.40 | 1.41 | 0.63 | 0.06 | 0.02 | 1.87 |
OS.ST | 8.98 | 5.95 | 5.45 | 0.35 | 0.22 | 0.22 | 0.02 | 5.49 |
BS.CT | 8.85 | 9.30 | 4.62 | 0.77 | 0.42 | 0.11 | 0.02 | 2.78 |
AS.Mg.S | 9.07 | 11.32 | 5.17 | 1.07 | 0.57 | 0.10 | 0.02 | 0.36 |
DS.SCT | 8.13 | 10.59 | 5.63 | 1.50 | 0.82 | 0.28 | 0.03 | 1.23 |
DS.CST | 8.83 | 7.56 | 13.96 | 1.91 | 1.49 | 0.33 | 0.01 | 7.26 |
DS.ST | 8.36 | 14.56 | 24.35 | 0.69 | 0.35 | 0.45 | 0.02 | 3.83 |
s.e.m. | 0.04** | 0.05** | 0.07** | 0.03** | 0.06** | 0.09** | 0.01** | 1.06** |