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《鸭粪与芦苇皮、水草高温好氧堆肥试验研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、农业环境科学学报2012,31(3):620—625JournalofAgro-EnvironmentScience鸭粪与芦苇皮、水草高温好氧堆肥试验研究李霞1,严永路2,尹崧2,杨星s,谢建治t+(1.河北农业大学资源与环境学院,河北保定071000;2.河北省环境保护厅,石家庄050051;3.河北农业大学生命科学学院,河北保定071000)摘要:以鸭粪为主要材料,添加芦苇皮、水草等不同调理剂进行高温堆肥试验,研究了不同配比条件下堆肥体系的温度、pH、C/N、种子发芽指数(GI)的动态变化及其对废弃物堆肥品质的影响。结果表明,鸭粪与芦苇皮混合堆肥效果最好,堆体升温快,4d达
2、到50℃,高温维持时间为15d,最高温度达70℃,堆肥30d后,油菜种子发芽指数高达90.48%;鸭粪与水草混合堆肥效果较差,高温维持阶段仅8d,最高温度为57oC;纯鸭粪单独堆肥效果最差,16d达到50℃,高温维持时间为6d,最高温度仅为53℃,到堆肥结束44d,油菜种子发芽指数刚达到80.67%。4种混合配料堆肥产品全氮、全磷、全钾含量都有所增加,其中鸭粪与芦苇皮配比增加率最大,分别为15.90%、11.53%和29.94%。综合以上结果,说明添加秸秆类有机质含量较高的调理剂可加快堆肥的腐熟进程,同时减少营养元素的流失,利于养分的保存,保证了堆肥产品的品质。关键词:鸭粪;芦
3、苇皮;水草;高温堆肥中图分类号:S141.4文献标志码:A文章编号:1672—2043(2012)03—0620—06CompostingofDuckManureMixedwithReedSkinandAquaticWeedUndertheAerobicConditionsLIXial,YANYong-lu2,YINSon92,YANGXingz,XIEJian—zhil+(1.CollegeofResourcesandEnvironmentScience,AgriculturalUniVersityofHebei,Baoding071000,China;2.Departmen
4、tofEnvironmentalProtectionofHebeiProvnice,Shijiazhuang050051,China;3.CollegeofLifoSciences,AgriculturalUniversityofHebei,Baoding071000,China)Abstract:Thecompostingexperimentwasconductedtostudythedynamicsofindices(temperature,pH,carbon(C)/nitrogen(N)ratio,seedgerminationindex)duringcomposting
5、processusingduckmanuremixedwithreedskinor(and)aquaticplants.Theresultsshowedthatthecompostingofduckmanuremixedwithreedskinwasthebesttreatmentandappearedthespecialpropertiesoftemperatureandseedge卜minationindexofcabbageduringcomposting.Inthistreatment,thetemperatureincreasedrapidlyto50oConthef
6、ourthdayandthehighesttemperaturewas70℃,evenhightemperaturecouldmaintainfor15days.Inaddition。germinationindexofcabbageseedsincompostcouldbeupto90.48%aftercompostingfor30days.Andthecompostingofduckmanuremixedwithaquaticplantswaspoor.hightemperaturecouldmaintainonlyfor8daysandthehighesttemperat
7、urewas57oC.Thecompostingeffectofcontrol(duckmanurecompostingonly)wastheworstone.Untilthe16thday,thetemperatureincreasedto50oCandthehighesttemperaturewas53oC.However,hightemperaturecouldonlykeepfor6days.Cabbageseedgerminationindexwasonly80.67%onthel
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