Soil pCO2, soil respiration, and root activity in CO2-fumigated and nitrogen-fertilized ponderosa pine

@article{Johnson2004SoilPS,
  title={Soil pCO2, soil respiration, and root activity in CO2-fumigated and nitrogen-fertilized ponderosa pine},
  author={Dale Johnson and D. R. Geisinger and Roger P Walker and John Newman and James M. Vose and Katherine Elliot and Timothy Ball},
  journal={Plant and Soil},
  year={2004},
  volume={165},
  pages={129-138}
}
The purpose of this paper is to describe the effects of CO2 and N treatments on soil pCO2, calculated CO2 efflux, root biomass and soil carbon in open-top chambers planted with Pinus ponderosa seedlings. Based upon the literature, it was hypothesized that both elevated CO2 and N would cause increased root biomass which would in turn cause increases in both total soil CO2 efflux and microbial respiration. This hypothesis was only supported in part: both CO2 and N treatments caused significant… CONTINUE READING
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