. On the sources of the nitrogen of vegetation; with special reference to the question whether plants assimilate free or uncombined nitrogen. Plants. . 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 Lawes, J. B. (John Bennet), 1814-1900; Gilbert, Joseph Henry, Sir, 1817-1901; Pugh, Evan, 18th cent. London, Printed by Taylor and Francis

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Keywords: ., bookcentury1800, bookdecade1860, bookpublisher, booksubjectplants