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1、热带作物学报2014，35（5）：837-841ChineseJournalofTropicalCrops不同施肥量对菠萝产量和品质的影响张江周1，21，2222*，严程明，刘亚男，马海洋，石伟琦1中国农业大学资源环境与粮食安全研究中心，北京100193海南省热带作物营养重点实验室（筹）2广东湛江524091中国热带农业科学院南亚热带作物研究所摘要针对菠萝生产中过量施肥的现状，开展不同施肥量对菠萝产量和品质的影响研究。试验选用巴厘品种，设5个不同施肥梯度。结果表明：随着施肥量的增加，菠萝株高、D叶长、D叶宽、植株鲜重、果实纵径、果实横径、果眼数
2、、单果重、产量随之增加；Vc含量随着施肥量的增加呈下降趋势，可滴定酸含量和可溶性固形物呈增加趋势，而可溶性总糖含量没有表现出明显的变化规律；施肥对产量的贡献率表现为FP150％＞FP120％＞FP100％＞FP80％，肥料最大贡献率仅为48.57％，而肥料农学效率则表现为FP150％＜FP120％＜FP100％＜FP80％。因此在不显著减产和影响果实品质的前提下，从提高肥料的农学效率角度考虑，建议在传统施肥量的基础上减少20％。关键词菠萝；施肥量；产量；品质中图分类号TS255.4文献标识码AEffectsofDifferentFertiliz
3、erApplicationRatesonYieldandQualityofPineapple1,21,2222*ZHANGJiangzhou,YANChengming,LIUYanan,MAHaiyang,SHIWeiqi1CenterforResources,EnvironmentandFoodSecurity,ChinaAgricultureUniversity,Beijing,100193,China2KeyLaboratoryofTropicalCropsNutrition,HainanProvince(preparation)/Sou
4、thSubtropicalCropsResearchInstitute,ChineseAcademyofTropicalAgricultureScience,Zhanjiang,Guangdong524091,ChinaAbstractTheresearchwascarriedouttostudytheeffectsofdifferentfertilizerapplicationratesontheyieldandqualityofpineapple．Ananascomosusrcv.YellowMauritiuswasselectedfort
5、hestudywithfivetreatments.Theresultsshowedthatplantheight,D-leaflength,D-leafwidth,plantfreshweight,fruitlength,fruitdiameter,fruiteyenumber,fruitweightandyieldincreasedwithincreasingfertilizerapplicationrate.VitaminCcontenthaddownwardtrendswithincreasingfertilizerapplicatio
6、nrate,thetitratableacidityandtotalsolublesolidscontentincreasedwithincreasingfertilizerapplicationrate.However,totalsolublesugarcontenthadnoanobviouschangingrule.Theorderoffertilizercontributionrate(FCR)wasintheorder:FP150%＞FP120%＞FP100%＞FP80%.ThehighestFCRwasonly48.57%,andt
7、herelationshipofagronomicefficiency(AE)ofthemwasFP150%＜FP120%＜FP100%＜FP80%.Underthepreconditionofnotsignificantlyreducingpineappleyieldandaffectingpineapplequality,thefertilizerapplicationrateoffarmershoulddecrease20%toimprovetheagronomicefficiency.KeywordsPineapple;Fertiliz
8、erapplicationrate;Yield;Qualitydoi10.3969/j.issn.1000-2561.2014.05.003率低等问题
