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,NB1j,andRokubacteriales(P<0.05).Theapplicationofmicrobialfertilizerunderwa
tersavingirrigationisconducivetowatersaving ,soilimprovementandtheefficientutilizationofwater
andfertilizerinsunflower.
Keywords:saline-alkalisoil;microbialfertilizer;watersavingirrigation;soilimprovement;sunflow
er;HetaoIrrigationDistrict
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