水肥一体化模式下不同灌溉量对冬马铃薯生长及产量的影响

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关键词：水肥一体化模式；灌溉量；冬马铃薯（SolanumtuberosumL.）；生长；产量

中图分类号：S532 文献标识码：A

文章编号：0439-8114（2026）02-0042-06

DOI：10.14088/j.cnki.issn0439-8114.2026.02.007 开放科学（资源服务）标识码（OSID）：口

Effects of different irrigation amounts on the growth and yield of winter potato under integrated water and fertilizer management

LISi-yu1，FUYan-yan²，WEIWei，WU Xu1 ，LIXiao-yuan，LI Xu1 ，LUYao² （1.Honghecadeflrales，egina;IsitefialEiotdso Academy of Agricultural Sciences，Kunming 65o506，China）

Abstract：Inresponsetotheneedforsynergstcoptimizationofwaterandfertlizerinthewaterdeficientareasduringwinteofte YunnanPlateau，teefectsofdiferentirigationamountsonthegrowthtraits，marktabletuberrateandyieldofwinterotato（SolanumtuberosumL）wresystematicallinvestigatedbasedontheintegratedwaterandfertilizermanagementundermulchdripiigation.Using Zhaoshu No.12as the test material，treatments includeda traditional management model（control， 100% irrigation amount）and five irrigation gradients（T5 to T1， 60% to 100% irrigation amount）under the integrated water and fertilizer management.Theresultsshowedthattheirigationamounthadnosignificantefectontheemergencerateandmarketabletuberateofwinter potato，butbothshowedadownwardtrendastheirigationamountdecreased.Plantheightdecreasedwiththereductionofigtion amount，and the T4（ 70% irrigation amount）and T5（ 60% irrigation amount）treatments were significantly lower than the other treatments.The tuber number per plant was the highest in the T3（ 80% irrigation amount） treatment and was significantly higher than that inthe control treatment.The single tuber weight，yield，and aboveground biomasswere the highest in the T1（ 100% irrigation amount）treamentandsoweddereasig trendastheigationmoutdecreased.Corelatioanalysisindcatedthatyieldwassig nificantlyposiivelyoreatedwithovgondiomass，ingletberweight，mergnceatendigatiamontUnderte gratedwater and fertilizer management with mulch drip irrigation，maintaining a 100% irrigation amount could maximize the growth andyield potentialofwinterpotato，representinganeectivestrategyforachievinghighyieldandqualityproductioninthegion.

KeyWords：integratedwaterandfertlizermaagement;irigationamount；winterpotato（SlanumtuberosumL.）；growth；yeld

马铃薯（SolanumtuberosumL.）作为1年生茄科茄属作物，凭借其营养丰富、适应性强、高产稳产等优点，在全球粮食作物体系中占据核心地位。（剩余8112字）