Response of soil microbial community and hydrothermal environment to nitrogen deposition in Pinus massoniana forest in Central Asia

Nanjie Li, Qingping Zeng, Shuhui Jiang, Binghui He
2019 Thermal Science  
Original scientific paper https://doi.org/10.2298/TSCI181120143L In order to demonstrate the response of soil microbial community and hydrothermal environment to nitrogen deposition (low nitrogen N 20 : 20 kg⋅hm -2 ; medium nitrogen N 40 : 40 kg⋅hm -2 ; high nitrogen N 60 : 60 kg⋅hm -2 , and contrast N 0 : 0 kg⋅hm -2 ), a Pinus massoniana forest in Central Asia was chosen to do the nitrogen deposition simulation experiment. This research is aimed to provide a theoretical evidence for the
more » ... ence for the protection of soil ecosystem under different forest types in china. The results showed that: soil microbes of Pinus massoniana forest were in seasonal changes (spring, autumn, winter, and summer). Differences in different seasons were significant: a very significant quadratic relationship was shown between soil microbes and soil temperature. However, the relationship between soil microbes and the soil water content was not closely related. The N deposition reduced the relationship between microbes and temperature but increased the correlation between microbes and water content: effects of N deposition on soil temperature and soil water content were significant, but the effects were in small scale, and the effects of N deposition on soil microbial community structure were significant.
doi:10.2298/tsci181120143l fatcat:cknfyci6z5c7fkb6qoj2ttm3kq