. The control of damping-off of coniferous seedlings. Conifers; Conifers; Wood-decaying fungi. Bui. 453, U. S. Dept. of Agriculture. Plate Fig. 1.—Jack-Pine Seed Bed, Garden City, Kans. Foreground untreated. Background treated with sulphuric-acid solution before germination. Stakes marked in inches. Xote the difference in height of the seedlings after the first season's growth (F 3).. 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 or
. The control of damping-off of coniferous seedlings. Conifers; Conifers; Wood-decaying fungi. Bui. 453, U. S. Dept. of Agriculture. Plate Fig. 1.—Jack-Pine Seed Bed, Garden City, Kans. Foreground untreated. Background treated with sulphuric-acid solution before germination. Stakes marked in inches. Xote the difference in height of the seedlings after the first season's growth (F 3).. 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 Hartley, Carl (Carl Pierce), 1887-; Pierce, Roy G. (Roy Gifford), 1884-1958. Washington, D. C. : U. S. Dept. of Agriculture
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectconifers, bookyear191