Metabolic profiling of the shortterm responses of Nicotiana tabacum leaves cultivated under different LED lights. Effects of Light Spectral Energy Distribution on Growth of Ilex chinensis Sims Plantlets in Vitro Effects of Light Spectral Energy Distribution on Growth of Ilex chinensis Sims Plantlets in Vitro Effects of Supplemental Light Quality and Durations of Illumination on Growth and Root Activity of Cucumber Seedling