. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. Plot 11 is a limed plot to which sulfuric and orthophosphoric acids were applied in rv: Jii Plot 12 is a liaued plot without acidification. Fig. Growth of Tobacco in 1926 on Limed Plots with and without Soil Acidification. (Photographed August 1.). 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 Massachusetts Agricultural Ex
. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. Plot 11 is a limed plot to which sulfuric and orthophosphoric acids were applied in rv: Jii Plot 12 is a liaued plot without acidification. Fig. Growth of Tobacco in 1926 on Limed Plots with and without Soil Acidification. (Photographed August 1.). 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 Massachusetts Agricultural Experiment Station. Amherst, : Massachusetts Agricultural Experiment Station, 1907-1974
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