:soil相关论文
    重庆市蔬菜基地土壤中重金属的平均含量分别为Hg0.185mg/kg,Cd0.231mg/kg,Pb21.09mg/kg,As7.03mg/kg,Cr47.92mg/kg;部分基地的土壤受到污染,主要污染物为Hg和Cd。由于城市区划的不同,土壤污染程度为近郊区〉......
    庐山土壤微生物类群及酶活特性陆杨森,熊金莲,张明(安徽农学院,合肥230036)MicrobialGroupsandEnzymeActivityinSoilofLushanMountain¥LuYangsen;XiongJinlian;ZhangMing(AnhuiAgriculturalCollege,Hefei230036).ChineseJournalofEcology1993,12(5):25-28。Thetotalnumberofmicrobesvariesindifferentsoiltype......