Search Results - Donnelly, John Robert, 1935-

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    Shoot size significantly affects rooting response of sugar maple softwood cuttings / by Donnelly, John Robert, 1935-

    Published 1974
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    Individual tree differences confound effects of growth regulators in rooting sugar maple softwood cuttings / by Donnelly, John Robert, 1935-

    Published 1971
    Government Document Book

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    Effects of watering and fertilization on carbohydrate reserves in sugar maple seedlings / by Carl, Clayton M.

    Published 1978
    Other Authors: “…Donnelly, John Robert, 1935-…”
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