Fig. 3 Diurnal (A) air and soil temperature and (B) the multisensor capacitance probe (MCAP)-measured water content for sealed air dry soil columns. Note that the _v scale is expanded to 0.001 m³ m^-3 for detail (0.1 of error). Greenhouse heating began on DOY 103, resulting in 15° minimum air temperature. The gradual warming of the soil is also reflected by similarly increasing MCAP water contents

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