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、、、、。。A、B、C55℃13、11、12d。30~20d。、、、、、。S141.4S816.6A2007-12-15GB05C201-072005AA4CS1141979-。*E-mail:shuqinli007@126.com、、。、。、。。1.1、、。1.2、。℃。、、。。、、。1.3[5]--·-Zn-F-··。℃。2.1。。*1.1500302.150040391139(11):32~35200811JournalofNortheastAgriculturalUniversityNov.20081005-9369200811-0032-04、、、、℃℃。、、℃。℃。、、℃、、。、、。2.2。、、。。。。。。2.3、、、“”。。。。。2.4、、、、。“”。◆▲■×*××××××××××××××××××××********************◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆■■■■■■■■■■■■■■■■■■■■▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲0510152025303540455080706050403020100dCompostingtime℃TemperatureBA◆C▲■CK*Environmenttemperature1Fig.1Temperaturechangesincompostingprocess×2(a)(b)Fig.2TotalN(a)andavailableN(b)changesincompostingprocess◆▲■×××××××××◆◆◆◆◆◆■■■■■■■■▲▲▲▲▲▲▲051015202530354045502.82.62.42.22.01.81.61.4dCompostingtime%TotalN▲◆BA◆C▲■CK×(a)◆▲■×××××××××◆◆◆◆◆◆■■■■■■■■▲▲▲▲▲▲▲051015202530354045500.200.160.120.080.040%AvailableN▲◆×◆◆■▲◆◆▲■××■▲(b)◆dCompostingtime11·33·。。。℃、、、、℃℃、、。。、、、、。、、、。。5Fig.5Totalsaltcontentchangesincompostingprocess3(a)(b)Fig.3TotalP(a)andavailableP(b)changesincompostingprocess(b)BA◆C▲■CK×(a)▲■××××××××◆◆◆◆◆◆■■■■■■■▲▲▲▲▲▲051015202530354045501.00.80.60.40.2%AvailableP▲◆×◆▲◆×■◆▲■×××××××××◆◆◆◆◆◆■■■■■■■■▲▲▲▲▲▲▲051015202530354045502.22.01.81.61.41.21.0%TotalP▲◆◆dCompostingtimedCompostingtime4(a)(b)Fig.4TotalK(a)andavailableK(b)changesincompostingprocessBA◆C▲■CK×(a)(b)◆▲■×××××××××◆◆◆◆◆◆■■■■■■■■▲▲▲▲▲▲▲051015202530354045502.62.42.22.01.81.61.41.21.0%TotalK▲◆▲×××××××××◆◆◆◆◆◆■■■■■■■▲▲▲▲▲051015202530354045502.22.01.81.61.41.21.0%AvailableK▲◆◆■▲◆▲■◆dCompostingtimedCompostingtimeBA◆C▲■CK×◆▲■×××××××××◆◆◆◆◆◆■■■■■■■■▲▲▲▲▲▲▲0510152025303540455045403530252015%Totalsalt▲◆◆dCompostingtime·34·39[1],.[J].,2002(6):48-49.[2],.[M].:,2005:4-5.[3],.[J].,2006,22(8):170-173.[4],.[J].,2003(1):21-23.[5].[M].3.:,1999.[6],.[M].:,2000:25-49.[7]AgnewJM,LeonardJJ.Thephysicalpropertiesofcompost[J].CompostScience&Utilization,2003,11(3):238.[8]HaugRT.Thepracticalhandbookofcompostengineering[M].LewisPublishers,BocaRaton:CRCPress,1993.[9]ZucconiF,ForteM,MonacoA,etal.Biologicalevaluationofcom-postingmaturity[J].Biocycle,1981,22:27-29.NutrientdynamicsduringpigfecescompostingunderlowtemperatureLIUDongyin1,XUJinggang1,YUANLei2,LIShuqin1(1.ResourcesandEnvironmentalSciencesCollege,NortheastAgriculturalUniversity,Harbin150030,China;2.InstituteofNaturalResource,HeilongjiangAcademyofSciences,Harbin150040,China)Abstract:Nutrientdynamicsespeciallyunderlowtemperatureareimportanttothecompostingprocessaswellasfinalcompostingproducts.Inthisexperiment,thedynamicsofnitrogen(N),phosphorus(P)andpotassium(K)werestudiedduringthecompostingprocessusingpigfecesascompostingsubstratematerials,cornstrawascompostingconditioner,self-manufacturedmicrobialcombinationsasinoculantscomparedwithCKwhichwasnomicrobialinoculantsadded.Resultsshowedthatthemicrobialinoculantscouldpromotethecompostingprocesssignificantly.Thelengthsofthecompostingwithtemperaturemaintainedabove55℃underthethreetreatmentsA,B,Cwere13,11and12days,respectively,meetingthenationalsanitarystandard.AvailableNunderthethreetreatmentswithmicrobialinoculantsaddedincreasedfirstandthendecreasedwhereastotalNdecreasedfirstandincreasedlater.TotalP,availableP,totalK,availableKallincreasedrespectivelyduringthecompost-ingprocess.Thetemperature,microbialactivityandnutrientdynamicsofCKwerenotchangedsignificantlyduetothelowtemperaturelimitation.Keywords:pigfeces;organiccomposting;microbialinoculants;nutrientelement;lowtemperature11·35·
本文标题:低温条件下猪粪堆肥过程营养元素动态变化
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