不同基质配方和施肥水平对百合生长的影响齐凤坤,戴引利,张越,林秀灵,阳桂芳,麦任娣,赵秀娟*(广东生态工程职业学院,广东广州510520)摘要以盆栽百合为试验材料,测定10种不同配方基质的容重、总孔隙度、通气孔隙度、毛管孔隙度、含水量、pH、电导率等理化指标,对栽培在10种不同基质中百合切花的主要农艺性状进行分析,并对筛选出的基质,采用氮、磷、钾、钙4因素4水平L16(44)正交试验设计进行肥料试验,测定百合切花形态,以期探讨配比施肥对百合生长的影响。结果表明,T9(泥炭∶园土∶蛭石=1∶2∶1)配比是百合栽培的最佳配方基质;不同施肥处理对百合株高、茎粗、花径、叶面积有影响,以施用氮肥300mg/kg、磷肥100mg/kg、钾肥150mg/kg、钙肥150mg/kg配比处理最佳,株高最高,达87.62cm,茎粗最大,达0.98cm。施用高浓度的氮肥对百合生长有利,在高氮处理下,磷、钾、钙能有效促进百合切花形态品质的提升。关键词基质;肥料;百合;筛选中图分类号S682.2+65文献标识码A文章编号0517-6611(2023)01-0147-04doi:10.3969/j.issn.0517-6611.2023.01.033开放科学(资源服务)标识码(OSID):EffectsofDifferentSubstrateFormulasandFertilizationLevelonLilyQIFeng-kun,DAIYin-li,ZHANGYueetal(GuangdongEco-EngineeringPolytechnic,Guangzhou,Guangdong510520)AbstractTakingpottedlilyasexperimentalmaterial,thephysicalandchemicalindexessuchasbulkdensity,totalporosity,aerationporosi-ty,capillaryporosity,watercontent,pHandelectricalconductivityof10substrateswithdifferentratiosweremeasuredandanalyzed.Themainagronomiccharactersoflilycultivatedin10differentsubstrateswereanalyzed,andthefertilizerexperimentwascarriedoutbyusingthe4factorsand4levelsL16(44)orthogonalexperimentaldesignmethodofnitrogen,phosphorus,potassiumandcalciumtodeterminethemor-phologyoflily,inordertoexploretheeffectofproportionalfertilizationonlilygrowth.TheresultsshowedthatT9(peat∶gardensoil∶vermiculite=1∶2∶1)wasthebestsubstrateforlilycultivation;differentfertilizationtreatmentshadeffectsonplantheight,stemdiameter,flowerdiameterandleafareaoflily.Theratioofnitrogenfertilizer300mg/kg,phosphorusfertilizer100mg/kg,potassiumfertilizer150mg/kgandcalciumfertilizer150mg/kgwasthe...