. 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 Pinus pon- derosa (S. D.). Ten plants each (i) grown m loam, (2) grovi^n in sand, (3) grown in gravel. ^ natural Fig. 2. The effect of soil texture upon the development of Robinia pseu- dacacia. Three plants each (i) grown in loam. (2) grown in sand, (3) in gravel. M; natural Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - color
. 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 Pinus pon- derosa (S. D.). Ten plants each (i) grown m loam, (2) grovi^n in sand, (3) grown in gravel. ^ natural Fig. 2. The effect of soil texture upon the development of Robinia pseu- dacacia. Three plants each (i) grown in loam. (2) grown in sand, (3) in gravel. M; 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 Hans Douai, 1887-. Lincoln, Neb
Size: 1909px × 1308px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublisherlincolnneb, booksub
