. Ecological investigations upon the germination and early growth of forest trees. Trees; Germination; Growth (Plants). Fig. i. The effect of soil texture upon the development of P'.nus pon- derosa (S. D.). Ten plants each (i) grown in loam, (2) grown in sand, (3) grown in gravel, yi natural Fie. 2. The effect of soil texture upon the development of Robinia pseu- dacacia. Three plants each (1) grown in loam, (2) grown in sand, (3) in gravel. Vs natural Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - colo
. Ecological investigations upon the germination and early growth of forest trees. Trees; Germination; Growth (Plants). Fig. i. The effect of soil texture upon the development of P'.nus pon- derosa (S. D.). Ten plants each (i) grown in loam, (2) grown in sand, (3) grown in gravel, yi natural Fie. 2. The effect of soil texture upon the development of Robinia pseu- dacacia. Three plants each (1) grown in loam, (2) grown in sand, (3) in gravel. Vs natural Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Boerker, Richard H. D. (Richard Hans Douai), b. 1887. Lincoln, Neb
Size: 1909px × 1309px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherlincolnneb, booksub
