TABLE 1.

Target radiation intensity, actual radiation intensity, and average daily air, canopy, and substrate temperatures (mean ± SD) during the seedling growth stage (2 weeks).

	Chamber	Radiation intensity (μmol ⋅ m–2 ⋅ s–1)		Temperature (°C)
		Target	Actual	Air	Canopy	Substrate
Rep 1	1	100	1020	23.00.0	24.40.9	21.90.7
		200	1910		26.41.0	−z
		400	4291		27.41.7	24.11.3
		600	5772		28.71.7	25.21.9
	2	100	944	22.91.8	24.50.9	22.21.0
		200	1882		24.01.1	22.00.9
		400	4321		26.91.5	23.71.4
		600	6152		27.72.1	24.61.9
Rep 2	1	100	992	23.00.4	24.20.5	21.70.6
		200	1843		26.50.9	−
		400	3846		27.41.6	24.31.5
		600	5559		29.32.0	25.31.9
	2	100	882	23.01.4	24.80.9	22.50.8
		200	1913		24.10.8	22.71.0
		400	3947		26.91.5	23.51.4
		600	58911		27.92.2	24.61.7

^zData not collected.