黃土高原丘陵溝壑區(qū)農(nóng)業(yè)可持續(xù)性評價.pdf

1、分類號：!墼LuDc：蛩：!鰱密級：公玨學校代碼：10712研究生學號：SY20040367西北農(nóng)林講杖大學2007屆攻讀碩士學位研究生學位(畢業(yè))論文黃土高原丘陵溝壑區(qū)農(nóng)業(yè)可持續(xù)性評價學科專業(yè)丞堡塹墨蘊邀絲隨漁研究方向逋塹籃堡研究生黃良指導教師奎塑麴援完成時間星QQ!生曼旦一中斟陜西楊凌E、後LUATIoNOFAGRICULTURESUSTAINABILITYINHILLYANDGULLYREGIONoFLoESSPLATEAUABS

2、TRACTSustainabledevelopmentinagricultureisacomprehendsystemcomposedbyagriculturaleconomyagriculturaltechniquesenvironmentandresourceaswell舔ruralsocietyetcThepreconditionsarcto啪waterlandbiologymineralr@sourgeandenvironmen

3、twithprotectionThemethodsaretechniquesandefficiencymanagementThegoalistokeepagriculturestableandactive，tofilltheneedsofhumanbeentoagriculturalproductsfinallyInthehillyandgullyregionofLoessPlateauteachsustainabledevelopme

4、ntofagricultureisaheavychallenge，becauseofserioussoilandwatererosionandfrailenvironmentInpast20years，nationalandlocalgovernmentshavebeentryingtopromptthesustainabledevelopmentInagriculturebyexperimentinganddemonstratings

5、ustainableagricultureSustainabilityevaluationisanimportantworkforsustainableagricultureexperimentstohelpanalyzeconfinementfactorsandtoforecastdevelopmenttrendBasedonresearchworksofprecedingresearcherssustainabilityevalua

6、tionmodelofagricultureinhillyandgullyregionofLoessPlateauwasdiscussedConstitutingevaluationindicatorsarethecoretaskAccordingtOthedefinitionofsustainableagriculturebyFAO，the21valuationindicatorsWeledividedintofivegroups，w

7、hichwereproductivitysafetyeconomicactivitystablesandsocialacceptabilityMainconfinementfactorsandleadgoalsofsustainableagricultureintheregionweremainlycomideredwhenindicatorswereselectedSo，indicatornumberwaslimitedinorder

8、tobecalculatcdandusedmoreeasilyFoundingevaluationmodelisanotherimportanttaskforsustainabilityevaluationTocalculateindicatorweightandstandardizeindicatorvaluesaretwonecessarystepsInthethesis，analyticlfierarchyprocess，prin

9、ciplecomponentsanalysisandentropymethodforweightcalculationwereintroducedLinearstandardizationcurvestandardizationanddisjunctionstandardizationwereintroducedAgriculturesustainabilityinZhifanggouwatershedinAnsaiCountyandi