反硝化细菌的筛选及应用研究李妍

2008，14（5）：43-44TianjinAgriculturalSciences、。、、、、。。[1]、[2]KCN。。11.1、、。15.0gKNO32.0gKH2PO41.0gMgSO4·7H2O0.2g1LpH7.2。2Giltay[3]。YB3200g20g1LpH7.2。1.21.2.1、。[4]10mL28℃7d。。1.2.2NO3-150mg/kg250mL100mL120℃30min。128℃、150r/min1～4d。300192630%～80%F1401。F1401YBF1401150mg/kg2mL。：：S273.5：A：1006-6500（2008）05-0043-02ScreeningandApplicationofDenitrifyingBacteriumLIYanZHAOLin-naHEZong-junWUDiLIYu-huaGAOXian-biaoTianjinInstituteofAgricultureResourceandEnvironmentSciencesTianjin300192ChinaAbstract：6bacteriumstrainsofhighlydenitrifyingcapabilitywerescreenedfromTianjingardensoils.Theycoulddecrease30%～80%nitrateconcentrationincitrateculturemedium.EspeciallythestrainofF1401hadthebesteffectinthesixstrains.DenitrifyingcapabilityofF1401inthefarmlandirrigationwaterwasdetermined.Theresultsshowedthatthedenitrifyingratesincreasedwithin-oculatedamountincreasingundertheconditionofstanding,and2mLfluidwasthebesttothenitrateconcentrationof150mg/kg.Keywords:denitrifyingbacteria；screening；application；farmlandirrigationwater；nitratepollution：2008-01-07；：2008-06-20：1979-。141.2.3NO3-150mg/kg250mL100mL21、YB224h1mL3、28℃1～7dNO3-。22.155267dGiltay。4d630％～80％F14012d77.4％480.84%1。F1401。2.2F14012。F140177％～80％1mL(2)。YB1d21.09％。YBF1401。YB。4mL1d84.27％34mL2d3。1mL1.5mL2mL100mL2mL。3F140180.84％150mg/kg。、。：[1].———[J].20062939-1045.[2].[J].2005112222-225.[3].[M].1983656.[4].[J].2005241165-168.1(%)F1401F1501F1001F1302F1905F19022d77.4034.3920.4911.896.3725.893d80.3633.3830.1130.9733.8630.334d80.8433.5033.3434.0034.0928.842F1401、1YB1YB1d1.527.98-1.9121.092d2.327.48-2.7422.403d0.317.89-1.7621.594d0.318.58-0.2725.81/％3/mL0.20.51.52341d0.112.2536.0752.3870.0084.272d1.271.3753.1682.44--3d1.675.0257.8795.11--4d2.452.1358.3996.75--/％·44·