@article{article, title  = {{Changes in soil microbial biomass and microbial activities in response to 7 years simulated pollutant nitrogen deposition on a heathland and two grasslands}},

 url = {{}},

 year = {{1998}},

 month = {{1}},

 author = {{Johnson D and Leake JR and Lee JA and Campbell CD}},

 volume = {{103}},

 journal = {{ENVIRON POLLUT}},

 issue = {{2-3}},

 pages = {{239-250}},

 note = {{Accessed on 2024/12/22}}}