Summary
Potassium sulfate and potassium chloride were compared as a source of potash for growing the Russet Burbank in Maine. Yields and specific gravities were not statistically different for the 3-year period of 1956–58 between sources of potash. Sulfate of potash improved the surface russeting of Russet Burbank tubers significantly when compared with potassium chloride. It appears from the data presented in this paper that for improvement of russeting on Russet Burbank tubers, sulfate of potash should be used as the source of potash in fertilizer used to grow the Russet Burbank in Maine.
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Murphy, H.J., Goven, M.J. Influence of source of potash on yield, specific gravity, and surface russeting of the Russet Burbank variety in Maine. American Potato Journal 42, 192–194 (1965). https://doi.org/10.1007/BF02860950
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DOI: https://doi.org/10.1007/BF02860950