Zon, Raphael, 1874-1956, Graves, Henry Solon, 1871-1951 · Washington, D.C. : U.S. Dept. of Agriculture, Forest Service · leaf 47
f the leaves prevents toa large extent the entrance of the vertical rays. In such trees thegreatest light intensity within the interior of the crown occurs in theforenoon and in the afternoon when the sun is in the east and west—that is, when the light penetrates into the interior of the crown,… … ^fc^MiiMi Wti„M/t.
Plants Effect of light on · Trees Growth · Light Effect on trees · Tree growth
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