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Citations
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Adams, J. (1925). Some Further Experiments On The Relation Of Light To Growth. American Journal of Botany, 12(7), 398–412.
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Adams, J. (1924). Duration of Light and Growth. Annals of Botany, 38(151), 509–523.
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Adams, J. (1923). The Effect on Certain Plants of altering the Daily Period of Light. Annals of Botany, 37(145), 75–94.
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Apostol, K., Dumroese, R. K., Pinto, J. R., & Davis, A. S. (2015). Response of conifer species from three latitudinal populations to light spectra generated by light-emitting diodes and high-pressure sodium lamps. Can. J. For. Res., 45(12), 1711–1719.
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Arnott, J. T. (1982). Growth Response of White and Englemann Spruce Seedlings to Extended Photoperiod Using Three Light Intensities.
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