. Ecological investigations upon the germination and early growth of forest trees. Trees; Germination; Growth (Plants). J* \. Fig. 2. The effect of soil depth upon the development of linlnma psrit- dacacia. Three plants each (1) urown in shallow, (2) in medium, (j,) in deep soil. V.: 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

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