《Table 1 F-values of two-way ANOVA analysis on the impacts of AMF inoculation and reclamation time o

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《Arbuscular mycorrhizal fungi ameliorate the chemical properties and enzyme activities of rhizosphere soil in reclaimed mining subsidence in northwestern China》

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Note:*，**，and***indicate significances at P<0.05，P<0.01，and P<0.001 levels，respectively.NS represents no significance.T-GRSP and EE-GRSP represent total and easily extracted glomalin-related soil proteins，respectively.SOC，soil organic carbon；TN，tot

Soil Olsen P and available K contents were also notably affected by the addition of AMF inoculation after 2 to 7 years of reclamation（Figs.2c and d）.Soil Olsen P under AMF inoculation ranged from 1.41 to 2.89 mg/kg，and was significantly higher than that of control soils besides the1-year reclamation.Interestingly，the highest Olsen P appeared in inoculated soil at 2-year reclamation time，and did not increase further with longer reclamation time.Soil available K was significantly higher in inoculated soil for 7-year reclamation than any new reclamation time in either AMF inoculated or non-AMF inoculated soils（P<0.05；Fig.2d）.In addition，the averaged SOC，TN，soil Olsen P and available K in inoculated soils were significantly increased by 46.2%，41.2%，43.3%，and 31.6%compared to CK，respectively.Moreover，these soil factors showed a positive correlation with reclamation time since their maximum values were found in 7-year reclaimed soil，regardless of whether the plants were AMF inoculated or not，except for soil Olsen P.In addition，AMF inoculation，reclamation time and their interaction had significant effects on the contents of SOC，TN，Olsen P，and available K（Table 1）.