Page 186 - 《水资源与水工程学报》2025年第2期
P. 186

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                 Gemmatimonadota,ActinobacteriotaandAcidobacteriotawerethedominantphylainthesaline-alkali
                 soilinHetaoIrrigationDistrict ,withChloroplast,andS0134_terrestrial_groupasthedominantgenera.
                 SoilmoisturecontentshowedasignificantnegativecorrelationwithActinobacteriota(P<0.05);organic
                 mattershowed a significantpositive correlation with Gemmatimonadota, Planctomycetota, and
                 S0134_terrestrial_group,andasignificantnegativecorrelationwithFirmicutes(P<0.05);soiltotalni
                 trogenshowedasignificantpositivecorrelationwithGemmatimonadota,Acidobacteriota,Chloroflexi,
                 Myxococcota,NB1j,andRokubacteriales(P<0.05).Theapplicationofmicrobialfertilizerunderwa
                 tersavingirrigationisconducivetowatersaving ,soilimprovementandtheefficientutilizationofwater
                 andfertilizerinsunflower.
                 Keywords:saline-alkalisoil;microbialfertilizer;watersavingirrigation;soilimprovement;sunflow
                 er;HetaoIrrigationDistrict
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