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  1. Determining individual tree shade length : a guide for silviculturists /
    By: Geier-Hayes, Kathleen. - Basford, Douglas D. - Hayes, Mark A.
    Publication info: Ogden, UT :Intermountain Research Station,[1995]
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Effect of solar radiation on  Plants  Regeneration (Botany)  Shades and shadows  
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  2. Effects of nutrient enrichment, light intensity, and temperature on growth of phytoplankton from Lake Huron /
    By: Lin, C. Kwei. - Schelske, Claire L. - University of Michigan.
    Publication info: Ann Arbor, Mich. :Great Lakes Research Division, Great Lakes and Marine Waters Center, University of Michigan,1978.
    Contributed by: University of Michigan (
    Subjects: Effect of solar radiation on  Effect of temperature on  Huron, Lake (Mich. and Ont.)  Nutrition  Phytoplankton  Plants  
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