Growth explains microbial carbon use efficiency across soils differing in land use and geology.

ABSTRACT: The ratio of carbon (C) that is invested into microbial growth to organic C taken up is known as microbial carbon use efficiency (CUE), which is influenced by environmental factors such as soil temperature and soil moisture. How microbes will physiologically react to short-term environmental changes is not well understood, primarily due to methodological restrictions. Here we report on two independent laboratory experiments to explore short-term temperature and soil moisture effects on soil microbial physiology (i.e. respiration, growth, CUE, and microbial biomass turnover): (i) a temperature experiment with 1-day pre-incubation at 5, 15 and 25 °C at 60% water holding capacity (WHC), and (ii) a soil moisture/oxygen (O₂) experiment with 7-day pre-incubation at 20 °C at 30%, 60% W

SUBMITTER: Zheng Q 

PROVIDER: S-EPMC6774786 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature