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Title: Artificial light sources differ in effect on birch seedling growth
Author: Marquis, David A.;
Source: Research Note NE-35. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 1-6
Publication Series: Research Note (RN)
Description: The use of artificial lights to grow tree seedlings for research and even for commercial uses is becoming common. With this has come an increasing awareness that not all types of artificial lights produce the same results (2, 3, 5). The presence or absence of particular wavelengths in the light source may cause large differences in height growth and morphological development that are separate from the effects of light intensity.
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Marquis, David A. 1965. Artificial light sources differ in effect on birch seedling growth. Research Note NE-35. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 1-6
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