第35卷第2期2023年6月塔里木大学学报JournalofTarimUniversityVol.35No.2Jun.2023文章编号:1009-0568(2023)02-0052-08不同年龄等级枣园果实干重与土壤理化性质关系分析赵东方1,2,陈苗1,2,胡焕琼1,2,杨晶晶1,2,吕瑞恒1,2*(1塔里木大学园艺与林学学院,新疆阿拉尔843300)(2南疆特色果树高效优质栽培与深加工技术国家地方联合工程实验室,新疆阿拉尔843300)摘要本试验通过采用实地调查结合室内分析的方法对新疆南疆不同年龄等级枣园果实干重与土壤理化性质之间的关系进行了研究,结果表明:1)随着枣树年龄等级增长,单株红枣果实干重逐渐增加,受年龄等级影响,果实干重差异性显著。2)不同年龄等级枣园土壤理化性质空间异质性表现不同,容重空间变异系数在2.81%~6.70%之间,属于弱变异,而全N含量属于强变异。土壤全盐量、含水量主要分布在0~40cm、80~100cm土层处。各年龄等级土壤全C、全N主要分布在表层。随着年龄等级增长,表层土壤容重呈逐渐增大趋势,土壤全P含量呈现出向表层聚集的现象。3)各年龄等级单株果实干重与容重呈极显著正相关,与全C呈显著正相关。综上所述,在生产经营过程中应增施有机肥、深施氮肥,低年龄等级枣园应适当增施磷肥。关键词年龄等级;枣园;生物量;土壤理化性质中图分类号:S665.1文献标识码:ADOI:10.3969/j.issn.1009-0568.2023.02.006AnalysisoftherelationshipbetweenfruitdryweightandsoilphysicalandchemicalpropertiesinjujubeorchardsofdifferentagesclassZHAODongfang1,2,CHENMiao1,2,HUHuanqiong1,2,YANGJingjing1,2,LYURuiheng1,2*(1CollegeofHorticultureandForestry,TarimUniversity,Alar,Xinjiang843300)(2TheNational-LocalJointEngineeringLaboratoryofHighEfficiencyandSuperior-QualityCultivationandFruitDeepProcessingTechnologyonCharacteristicFruitTrees,Alar,Xinjiang843300)AbstractInthisexperiment,therelationshipbetweenfruitdryweightandsoilphysicalandchemicalpropertiesofjujubeor-chardsofdifferentagesclassinSouthernXinjiangwasstudiedthroughon-the-spotinvestigationcombinedwithindooranalysis.Theresultsshowedthat:1)Withtheincreaseofjujubetreeageclass,thefruitdryweightperplantgraduallyincreased,andthedrydifferencewassignificant.2)Thespatialheterogeneityofsoilphysicalandchemicalpropertieswasdifferentinjujubeorchardsofdifferentagescl...