山西省向日葵产业增产影响因素分解及对策研究

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中图分类号:F326.12;S565.5 文献标志码:A DOI编码:10.3969/j.issn.1006—6500.2025.09.010
Abstract:Inordertopromotethehigh-qualitydevelopmentofthesunflowerindustrythispaperemployedtheLMDImodeltodecompose thefactors influencingsunfloweryieldincreasesfrombothprovincialandmunicipalperspectivesfrom21Oto03,and proposeedcorrspondingpicyecommendatos.Atteprovinciallevel,snfloweryieldiceassreprmarilyivenbyro ments nyieldperunitarea.Amongthe11prefecture-levelcities,fivemajorsunflower-producingregionsachievedyieldincreases: Datong,Shuozhou,Changzhi,ncheng,andYuncheng.Regionswithotableyieldgowthrendswereoncentratedinortongandsouthern Yuncheng,whichhavemaintaineda"13consecutiveyearsof increase"trend.Fromaregionalperspective,the spatialdistributionofsunflowerproductioninShanxiProvincein2O23graduallyforeda"northernediblesunflower,southernil sunflower"spatiallayout,withacleartrendtowardregionalconcentrationAmongthe11prefecture-levelcities,tworegioswere dominatedbyyield effects:Datong and Changzhi,with yield contribution rates of 62.2% and 61% ,respectively. The remaining regionsweredominatedbyareaefects,withYuncheng,Jincheng,andShuozhoubeingtheegionswhereareaexpansionfectsdominate,with area contribution rates of 97.6% , 64.5% ,and 62.9% ,respectively. Meanwhile,the regions where area support effects dominatewereconcentratedinthecentralsunflowerplantingareasofShanxiProvince,aswellasXinzhouandLinfen,showingafluctat ingtrendofdecreasingproductionyearbyear.Inconclusion,thestabilityofoilseedproductionarea,usingsunflowersasaexample,playsanindspesableoleindustrialdevelopmentndcapacityancement.Howeverundertecuentconstraitsf ght eningarablelandresoucesandlimitedromforexpansioninplantingarea,improving yieldperunitareaandpromotingadaptiveadjustments insunflowerindustrylayouthavebecomeeydirectionsforaddressingresourcechalengesandtappingproductionpotetial. Key words : sunflower industry; uield increase; countermeasure study; LMDI modeling
向日葵作为世界上重要的油料作物之一,兼具经济、生态与观赏价值,在农业领域及多元产业融合方面有广阔的发展前景。(剩余11505字)