Zhang Y, Li S, Wu X. Pressurized liquid extraction of flavonoids from Houttuynia cordata Thunb[J]. Sep Purif Technol, 2008, 58:305.
[4]
Lee J S, Kim I S, Kim J H, et al. Suppressive effects of Houttuynia cordata Thunb. (Saururaceae) extract on Th2 immune response[J]. J Ethnopharmacol,2008, 117(1):34.
[5]
Wu L S, Si J P, Yuan X Q, et al. Quantitive variation of flavonoids in Houttuynia cordata from different geographic origins in China[J]. Chin J Nat Med, 2009, 7(1):40.
Frostegard A, Tunlid A, Baath E. Phospholipid fatty acid composition, biomass, and activity of microbial communities from two soil types experimentally exposed to different heavy metals[J]. Appl Environ Microbiol, 1993, 59:3605.
[9]
姚槐应,黄昌勇. 土壤微生物生态学及其实验技术[M]. 北京:科学出版社, 2006:144.
[10]
鲍士旦. 土壤农化分析[M]. 3版. 北京:中国农业出版社, 2000.
[11]
关松荫. 土壤酶及其研究法[M]. 北京:中国农业出版社, 1986.
[12]
哈慈耶夫. 土壤酶活性[M]. 郑洪元译. 北京:科学出版社, 1980.
[13]
Djukic I, Zehetner F, Mentler A, et al. Microbial community composition and activity in different Alpine vegetation zones[J]. Soil Biol Biochem, 2009, 41(1):1.
Bais H P, Weir T G, Perry L G, et al. The role of root exudates in rhizosphere interactions with plants and other organisms [J]. Ann Rev Plant Biol, 2006, 57:233.