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    Author(s): B.G. Blackmon
    Date: 1977
    Source: Res. Note SO-229. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station. 3 p.
    Publication Series: Research Note (RN)
    Station: Southern Forest Experiment Station
    PDF: View PDF  (57 KB)

    Description

    When applied at plantation age 4,336 kg N/ha increased diameter growth of cottonwood on Sharkey clay by 33 percent over unfertilized controls. Fertilizing at ages 2 and 3 resulted in no response, nor was there any benefit from applying nitrogen fertilizer to cottonwood on Commerce silt loam. On both sites, foliar N levels were increased by fertilization regardless of plantation age.

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    Citation

    Blackmon, B.G. 1977. Cottonwood Response to Nitrogen Related To Plantation Age and Site. Res. Note SO-229. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station. 3 p.

    Keywords

    Fertilization, Populus deltoides Bartr., growth, foliar N, rooting depth

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