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1、三峽大學(xué)碩士學(xué)位論文植被混凝土肥力可持續(xù)性研究姓名：牛海波申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：地質(zhì)工程指導(dǎo)教師：許文年20100501IIIAbstractInrecentyearsalongwiththepeoplesrecognitionoftheenvironmentecologicalprotectionbecomesoneofthecommonmanagementmodesinengineeringslope.Generalecologi

2、calslopeprotectionmethodsareabletoachievetheidealeffectinashtperiodbutastimegoesonespeciallyfthehardrockslopethenutrientofprotectionmaterialislostsometechnologycannotreachtheeffectoflastingslopeprotectionecorestation.Veg

3、etationgrowingconcreteecoprotectiontechniqueshasbeenwidelyusedinhydroelectricengineeringmineengineeringbackfillslopesinhighwayengineeringexcavationweatheredrockslopeshighwayengineeringrockslopesofhighwayengineeringbutthe

4、researchofsoilfertilityofvegetationgrowingconcretelagstheapplicationofengineeringpractice.Besidestheevolutionofnutrientfertilityovertimeaswellasthestudywhetheritissustainablestilllacksufficienttesttheeticalbasis.Inthispa

5、perfourvegetationgrowingconcreteslopeswhichwerefinishedindifferentyearsarebeingstudied.Byfiveonsitesamplingamongthreeyearssince2007amassofindoexperimentsthefertilityfactsofvegetationgrowingconcretetheevolutionoftheresult

6、aboutcomprehensiveevaluationtothefertilitylevelofvegetationgrowingconcreteisanalyzedthenthesustainabilitypersistenceoffertilitylevelisstudied.1、Accdingtotheanalysisoffertilityindicatsthetimevaryingacteristicissummedupasf

7、ollows:thetimevaryingacteristicofunitweightganicmattertotalpotassiumquickactingphosphuspHvalueineveryfertilityindexishelpfultoimprovethesoilfertilitylevelThetimevaryingacteristicoftotalphosphusrapidlyavailablepotassiumis

8、helpfultomaintainthefertilitylevelThetimevaryingacteristicofthicknessofsoillayeralkalihydronitrogentotalnitrogenisagainstthefertilitylevelByusingSPSSsoftwareaccdingtotheanalysisofvarianceineachfertilityindextheinfluenceo

9、ftimefeachindexisasfollows:unitweightganicmatteralkalihydronitrogenquickactingphosphusisextremelyeffectedbythetimevaryingacteristicthetimefrapidlyavailablepotassiumpHvaluehasagreateffectHoweverthethicknessofsoillayertota

10、lnitrogentotalphosphuspotassiumhavenosignificantinfluenceovertime.Thecrelationanalysisbetweenthefertilityindexis:thethicknessofsoillayerdoesn’texistsignificantcrelationwithotherindexwhileunitweightalkalihydronitrogentota

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