添加EM菌对蚯蚓处理鲜牛粪的影响
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2020-03-31 14:44:43
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添)'JIIEM菌对蚯蚓处理鲜牛粪的影响成杰民,王晓凤,王志凤(山东师范大学人口资源与环境学院,山东济南250014)摘要:lli蚓处理鲜牛粪时,添加EM菌,通过堆制过程中pH、温度、速效养分含量、种子发芽率指数的变化以及添加EM菌对蚯蚓生长繁殖的影响,研究添加EM菌对蚯蚓处理鲜牛粪的影响。结果表明:加EM菌能显著提高蚯蚓的日增重倍数,对蚯蚓日繁殖倍数影响不大,以添加EM菌质量分数0.4%为宜。整个堆制过程加EM菌和未加EM菌的处理温度均未超过30℃,但在最初7d加EM菌处理的堆体温度略高于气温。在夏季利用蚯蚓处理鲜牛粪时。应注意翻堆散热,以利于蚯蚓生长。加EM菌能使鲜牛粪的初始pH从9.28降至8.76,利于蚯蚓适应环境。加EM菌能增加堆肥中速效氮、速效钾含量。加EM菌和未加EM菌的处理种子发芽指数均随堆制时间的增加而增大,堆制50d后种子发芽指数均达85%左右,且两者无显著差异,说明在蚯蚓处理鲜牛粪时,添加EM菌不能加速鲜牛粪的腐熟。关键词:赤子爱胜蚓;EM菌;鲜牛粪;堆肥中图分类号:X171.3;X172文献标志码:A文章编号:1003-6504(2009)06-4)140-05EffectofEMonDisposingofFreshCattleManurebyEarthwormCHENGJie-min,WANGXiao—feng,WANGZhi-feng(SchoolofPopulation,ResourceandEnvironment,ShandongNormalUniversity,Jinan250014。China)Abstract:TheeffectofinoculationEM(EffectMicroorganism)ornon-EMseparatelyonPaafthworms(Eiseniafoetiaa)disposing肫shcattlemanurewasstudied,withanalysisofaffectingfactorsincludingpH,temperature,availablenitrogen,phosphorusandpotassiumconcentrationaswellasseedgerminationindexandtheeffectsofEMonthegrowthandreproductionofearthworm.ResultsindicatedthatinoculationEMcansignificantlyenhancetheindexofweightincreaseandnotyetthedailyreproductionofearthworm。withtheoptimalinoculationof0.4%(inasspercentage).Thecompostingtemperaturemaintainedunder300cinthewholeprocess,andexceededairtemperatureatthefirst7days.Heat-awayshouldbeconsideredinsummerforearthwormsurvival.TheinoculationEMdecreasedtheoriginalpHoffreshcattlemanurefrom9.28tO8.76whichwasfavorableforearthwormtoadapttOunfavomblesurvivalconditionandincreasedtheconcentrationofavailablenitrogen,phosphorusandpotassium.TheseedgerminationindexincreasedwithcompostingtimeandWasabout85%afterinoculationfor50days.TheseedgenninafioflindexWasnotsignificantlydifferentbetweeninoculationEMandnon—-EM.whichshowedthatinoculationEMcoddnotshortenthetimeofEiseniafoetidadisposing雠shcattlemanure.Keywords:Eiseniafoetida;EffectMicroorganism(EM);freshcattlemanure;composting利用蚯蚓处理畜禽废弃物是一项古老而新的生物技术【11,自20世纪80年代末,国内外许多学者致力于利用蚯蚓处理垃圾的研究瞄卅,近年来有学者将原产于日本的“大平二号”赤子爱胜蚓应用于牛粪处理湖。一方面由于鲜牛粪pH多>9,水分含量多>70%,不利于蚯蚓
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