Volder, Astrid; Gifford, Roger M; Evans, John
We investigated seasonal root production and root turnover of fertilized and well-watered monocultures of Phalaris for 2 years using minirhizotrons installed in six newly designed temperature gradient tunnels, combined with sequential soil coring. Elevated atmospheric CO2 treatments were combined with two cutting frequencies and three warming scenarios: no warming, +3.0/+3.0 and +2.2/+4.0°C (day/night) atmospheric warming. The elevated CO2 treatment increased both new and net root length...[Show more]
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