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《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

Issue:

2020年01期

Page:

122-128

Research Field:

·生态学·

Publishing date:

Info

Title:

ScreeningInoculantCarrierofBacillusasahiiOM18andItsEffectonMaizeGrowthPromoting

Author(s):

JiangHuayun¹; 2; 3; FengYouzhi¹; WangYiming¹; LinXiangui¹

(1.StateKeyLaboratoryofSoilandSustainableAgriculture,InstituteofSoilScience,ChineseAcademyofSciences,Nanjing210008,China)(2.SchoolofLifeSciences,NanjingNormalUniversity,Nanjing210023,China)(3.UniversityofChineseAcademyofSciences,Beijing100049,China)

Keywords:

BacillusasahiiOM18; agriculturewaste; organicfertilizer; microbialinoculant; fluvo-aquicsoils; plantgrowthpromoting

PACS:

Q939.96

DOI:

10.3969/j.issn.1001-4616.2020.01.018

Abstract:

BacillusasahiiOM18isakeyautochthonousmicroberesponsiblefortheenhancementofsoilfertilityoffluvo-aquicsoils.InordertoapplyittoimprovethesoilfertilityofFluvo-aquicsoilsinactualagriculturalproductionintheNorthChinaPlainandtopromotetheutilizationofagriculturewastes,fivekindsoforganicfertilizersproducedbyagriculturewastes(FengQiuorganicmanure,chickenmanure,vinasseorganiccompost,oilcakeorganiccompost,andcowmanure)werescreenedanduatedthroughthegrowthofBacillusasahiiOM18inorganicfertilizersandtheirpromotingeffectonthegrowthofcrops.Thesuitableorganicfertilizerwasscreenedoutsystematicallyastheinoculantcarrier,whichbenefitforthegrowthandecologicalfunctionofBacillusasahiiOM18.Theresultsshowedthatoilcakeorganiccompost(XS)wassuitableasthecarrierforthepreparationofBacillusasahiiOM18microbialinoculant.Furthermore,oilcakeorganiccompost(XS)combinedwithBacillusasahiiOM18inoculantwastestedtopromotethegrowthofmaizeinthefluvo-aquicsoilsbypotting.Comparedtoothertreatments,thedryweightofmaizeshootsandleavesofInoculanttreatment(9.27±0.95g)wassignificantlyhigher(P<0.05).OilcakeorganiccompostwithBacillusasahiiOM18inoculantcouldsignificantlypromotethegrowthofmaizeinthefluvo-aquicsoils.Therefore,BacillusasahiiOM18microbialinoculantcombinedwithoilcakeorganiccompostisbeneficialtoimprovingsoilfertilityintheNorthChinaPlain.

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Last Update: 2020-03-15