优化施肥对甘薯经济产出、偏生产力及品质的影响

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关键词：甘薯（IpomoeabatatasL.）；优化施肥；经济产出；偏生产力；品质

中图分类号：S531 文献标识码：A

文章编号：0439-8114（2026）01-0054-05

DOI：10.14088/j.cnki.issn0439-8114.2026.01.010 开放科学（资源服务）标识码（OSID）：i

Effects of optimized fertilization on the economic output，partial productivity and quality of sweet potato

LISi-yu1，WEIWei1，FUYan-yan²，LIXiao-yuan1，XIASai1，WU Xu1 ，LI Xu1 ，LUYao² （1.Honghe HaniandYi Autonomous Prefecture AcademyofAgricultural Sciences，Mengzi 6611oo，Yunnan，China; 2.InstituteofAgriculturalEnvironmentalResources，YunnanAcademyofAgriculturalSciences，Kunming6505o6，China）

Abstract：Usingsweetpotato（IpomoeabatatasL）astetestmaterials，fourtreatmentseresetup：CK（conventioalapplicationof chemical fertilizer），T1（conventional application of chemical fertilizer + microbial agent + humic acid water-soluble fertilizer + organic fertilizer），T2（ 10% reduction of the conventional application of chemical fertilizer + microbial agent + humic acid water-soluble fertilizer + organic fertilizer），T3（ 20% reduction of the conventional application of chemical fertilizer + microbial agent + humic acidwater-soluble fertilizer + organic fertilizer）.The efects of diffrent fertilization treatments on theagronomic traits，economic output，partialproductivityndkyqualitydicatorsofswtpotatosereivestigatedtodentifyeoialrtilzatioate resultsshowedtatcomparedwithCK，theyeldsadoutputvaluesfsweetpotatoesinT1，T2andT3increased，utonlysowed anincreaseinetincome，whichwas12875.4yuanm²higherthanCK.Thepartialproductivityofinorganicchemicalfertilizerin T1，T2，and T3 increased by 2.56% ， 18.41% ，and 52.26% ，respectively，compared with CK，while the partial productivity of total fertlierdecreased，withthesmalestdiferenceobservedbetwnT3andCK.ThecudefiercontetintubersofT，T，nd3 was extremely significantly higher than that of CK（ P <0.01），increasing by 33.33%-36.67%.The starch content in T3 was extremely significantly higher than that in the other treatments （ P<0.01 ），increasing by 8.40%-12.66 % ，while the soluble protein and soluble sugarcontentswerelowerthanthoseinCK.Basedonacomprehensiveevaluationofallindicators，theoptimalfertilizationstrategy was the 20% reductioninconventionalchemicalfertilizercombinedwithmicrobialinoculant，humicacidwater-solublefertilizer，and organic fertilizer.

Key Words：swet potato（Ipomoea batatas L.）；optimized fertilization；economic output；partial productivity；quality

甘薯（IpomoeabatatasL.）为旋花科甘薯属一年生草本植物，具有产量高、适应性强、营养价值高等优点，是中国重要的粮食作物，还可作为工业原料和新型能源原料，其产量对于国家粮食安全和地方经济的增长具有不可忽视的作用[12]。（剩余8874字）