. How crops grow. A treatise on the chemical composition, structure, and life of the plant, for all students of agriculture ... Agricultural chemistry; Growth (Plants). 246 HOW CKOPS GEOW. hi. Jig. 40. Fig- 41 Digitized by Microsoft®. 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 Johnson, Samuel William, 1830-1909. New York, O. Judd & company

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Keywords: ., bookcentury1800, bookdecade1860, booksubjectagricul, bookyear1868