22肥料与健康第50卷第3期DOI:10.3969/j.issn.2096-7047.2023.03.005不同掺混比例控释肥对香蕉产量及品质的影响梁海波(东营市农业农村局山东东营257091)摘要:为考察控释肥掺混比例对香蕉产量及品质的影响,以不施氮肥为对照,开展了控释肥、普通尿素及钾肥不同比例掺混的3年定位田间小区试验。结果表明:控释肥掺混比例为50%时的效果较好,可促进香蕉提早抽蕾,提高香蕉单株果指数、果指长、果指粗、单果质量,与施用普通肥料处理相比,3年平均增产率为10.91%;通过回归分析推算,香蕉获得最高产量的控释肥料掺混比例为68.2%;不施氮肥显著影响香蕉的果实品质,缺氮处理的香蕉维生素C、可溶性糖和还原糖含量均有一定程度的下降,在香蕉种植过程中应注意氮肥的施用。关键词:香蕉;控释肥;掺混比;产量;品质中图分类号:S145.6;S668.1文献标志码:A文章编号:2096-7047(2023)03-0022-05EffectsofDifferentMixingProportionsofControlled-ReleaseFertilizersonYieldandQualityofBananaLIANGHaibo(DongyingAgriculturalandRuralBureau,Dongying,Shandong257091,China)Abstract:Inordertoinvestigatetheeffectoftheblendingratioofcontrolled-releasefertilizersontheyieldandqualityofbanana,a3-yearfieldplotexperimentofcontrolled-releasefertilizers,commonureaandpotassiumfertilizermixedwithdifferentratiosiscarriedoutwithnonitrogenfertilizerasthecontrol.Theresultsshowthattheeffectofcontrolled-releasefertilizersisbetterwhentheblendingratiois50%,whichcanpromotetheearlybuddingofbanana,improvethenumberoffruitfingerperplant,lengthoffruitfinger,diameteroffruitfinger,andsinglefruitweightofbanana,andtheaverageyieldincreaserateinthreeyearsis10.91%comparedwiththetreatmentofapplyingcommonfertilizer.Accordingtoregressionanalysis,theblendingratioofcontrolled-releasefertilizersforbananatoobtainthehighestyieldis68.2%.Thequalityofbananafruitissignificantlyaffectedbythedeprivationofnitrogenfertilizer,whichresultinthedecliningcontentofvitaminC,solublesugarandreducingsugaramongthenitrogendeficiencytreatmentgroup.Therefore,attentionshouldbepaidtotheapplicationofnitrogenfertilizerduringbananaplanting.Keywords:banana;controlled-releasefertilizer;blendingratio;production;quality作者简介:梁海波(1992—)...
