腐熟堆肥回流对中药渣好氧堆肥进程及堆肥品质的影响

Maturedcompostrecyclingenhancestheefficiencyofcompostingandimprovesthequalityofend-productsduringcompostingofherbresiduesSONGXiu-chao1,GUODe-jie1,MAYan1,2*,LUOJia1,WANGGuang-fei1,LIUXin-hong1（1.InstituteofAgriculturalResourcesandEnvironment,KeyLaboratoryofAgro-EnvironmentinDownstreamofYangtzePlain,MinistryofAgricultureandRural,JiangsuAcademyofAgriculturalSciences,Nanjing210014,China;2.SchoolofEnvironmentalandSafetyEngineer⁃ing,JiangsuUniversity,Zhenjiang212013,China）Abstract：Maturedcompostrecyclingiswidelypracticedtoreducethedosageoforganicbulkingagentsusedinactualcompostingprocess⁃esandisthereforeeconomicallyadvantageous.Inordertoascertaintheeffectofmaturedherbresiduecompostbackflowonmaturationeffi⁃ciencyofcompostingandqualityofcompost,thisstudydiscussedthetransformationofnutrientsaswellashumus（composition,content,andquality）duringthecompostingprocess.Twotreatmentswereconductedtoachievethisobjective.Thematuredherbresiduecompostwasusedincompostingintheproportionof10%ofinitialrawmaterials（basedondryweight）.Acontroltreatment（CK）wasalsostudiedwithoutapplicationinindustrialcondition.Duringtheexperiment,thecontentoftotalcarbon（TC）,totalhumus（HS）,freehumus（FHS）,water-solublehumus（WSHS）,humicacid（HA）,fulvicacid（FA）,andsomeelementssuchasC,N,P,andSweredetermined.Resultsshowedthatmaturedcompostamendment（MCT）,whereinthethermophilicphase（55℃）wasentered20daysearlierthanthatinCK,couldsignificantlyacceleratethedegradationoforganicmatter.WhencomparedwithCK,applicationofmaturedcompostresultedinsignif⁃2019，38（12）:2844-28512019年12月农业环境科学学报JournalofAgro⁃EnvironmentScience宋修超，郭德杰，马艳，等.腐熟堆肥回流对中药渣好氧堆肥进程及堆肥品质的影响[J].农业环境科学学报,2019,38（12）：2844-2851.SONGXiu-chao,GUODe-jie,MAYan,etal.Maturedcompostrecyclingenhancestheefficiencyofcompostingandimprovesthequalityofend-productsduringcompostingofherbresidues[J].JournalofAgro-EnvironmentScience,2019,38（12）:2844-2851.腐熟堆肥回流对中药渣好氧堆肥进程及堆肥品质的影响宋修超1，郭德杰1，马艳1，2*，罗佳1，王光飞1，刘新红1（1.江苏省农业科学院农业资源与环境研究所，农业农村部长江下游平原农业环境重点实验室，南京210014；2.江苏大学环境与安全工程学院，江苏镇江212013）收稿日