廣西賀州市荸薺種植業(yè)發(fā)展制約因素分析.pdf

1、中國農(nóng)業(yè)大學碩士學位論文廣西賀州市荸薺種植業(yè)發(fā)展制約因素分析姓名：黎金玲申請學位級別：碩士專業(yè)：種植業(yè)指導(dǎo)教師：王德海20040601AbstractWaterchestnutisapreponderantandcharacteristicindustryofplantproductioninHezhouPrefectureofGuangxiAutonomousRegionHowevertheproductshasnotbeendeve

2、lopedsomuchastheexpectationofakeyindustryinHezhouPrefectureBasedonthesituationofdemandexceedssupplyinthemarkettheauthorwouldliketofindouttheconstraintsofthewaterchestnutdevelopmentbyuseofPRA(participator)ruralappraisal)i

3、nasurveytocarryoutstakeholderanalysisincludingthewaterchestnutfarmers，governmentandprocessingcompaniesAlso，theauthorappliedatoolofSystemTheorytoanalyzetheconstraintsofwaterchestnutplantproductiondevelopmentTheresultsalea

4、sfollowing：Thestudyshowsthatamainfactorthatrestrictstheplanty詩ld(perunityield)andquality(productquality)ofwaterchestnutisthelowlevelofpreventionandcontrolofwaterchestnutculmsdampingo最adiseaseofthewaterchestnutAsthelow#an

5、tyield(perunityield)andlowqnality(productq嘲ity)andcomparativelylowerprofitofagriculture，thefarmerscouldnotincreasetheirincomebyextendingplantingwaterchestnut8Ⅸ鞋Theresultshowsthatthemainreasonthatrestrictsthedevelopmentof

6、waterchestnutplantproductioninHezhouPrefectureisthatthefarmersarelackofintegratedcultivationtechnologiesandmanagementskillsofwaterchestnutproductionwithhighyieldedandhie#qualificationFinally’somerecommendationswereputfor