| Experiment Title: | “Symbiotic nitrogen fixation reduces belowground biomass carbon costs of nitrogen acquisition under low, but not high, nitrogen availability” | Institutions responsible:
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| Experiment Description: | The purpose of this experiment was to understand how nitrogen acquisition strategy, namely the ability to acquire nitrogen through symbiotic nitrogen fixation, influenced carbon costs to acquire nitrogen. The experiment quantified carbon costs to acquire nitrogen in Glycine max (soybean) seedlings that received one of two inoculation treatments (one without inoculation, one with inoculation of Bradyrhizobium japonicum) and one of two nitrogen fertilization treatments (70 ppm N, 630 ppm N) in a full-factorial greenhouse experiment. | ||
| Variables being tested: | Experimental Details (factorial design, replication, lab/field/ controls, vegetation type): | Data availability: | Study limitations: |
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Greenhouse experiment where soybean seedlings received one of two inoculation treatments (one without inoculation, one with inoculation of Bradyrhizobium japonicum) and one of two nitrogen fertilization treatments (70 ppm N, 630 ppm N) in a full-factorial greenhouse experiment. Individuals were harvested after six weeks of development. | Data are available on Zenodo: here
Paper is currently available at AoB Plants: here
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Carbon costs to acquire nitrogen do not include carbon allocated belowground through root exudates or lost through root exudation |
