Table 1. Treatment details of experiments conducted in the Korean Soil-Plant-Atmosphere-Research (KSPAR) chamber.
Treatment | aCaT | eCaT | aCeT | eCeT |
---|---|---|---|---|
Temperature (°C) | ||||
Daily mean, day | 20.9 ± 0.18 | 20.9 ± 0.18 | 24.9 ± 0.18 | 24.9 ± 0.18 |
Daily mean, night | 14.6 ± 0.15 | 14.6 ± 0.15 | 18.6 ± 0.15 | 18.6 ± 0.15 |
CO2 (μmol mol-1) concentration | ||||
Daily mean (day/night) | 417/504 | 771/508 | 425/518 | 804/650 |
Soil temperature (°C) | ||||
Daily mean | 16.4 ± 0.28 | 17.3 ± 0.30 | 19.4 ± 0.35 | 18.7 ± 0.35 |
Soil water content (% soil volume) | ||||
Daily mean | 36.9 ± 0.31 | 33.1 ± 0.44 | 33.2 ± 0.44 | 33.9 ± 0.32 |
aCaT: Ambient 400 μmol mol-1 CO2, ambient average temperature, eCaT: Elevated 800 μmol mol-1 CO2, ambient average temperature, aCeT: Ambient 400 μmol mol-1 CO2, ambient average-temperature increases of 4°C, eCeT: Elevated 800 μmol mol-1 CO2, ambient average-temperature increases of 4°C. Values represent means ± SE.