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    Author(s): Edward A. Hansen
    Date: 1994
    Source: Research Paper NC-319. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
    Publication Series: Research Paper (RP)
    Station: North Central Research Station
    PDF: View PDF  (777.45 KB)

    Description

    Poplar leaf nitrogen should generally be maintained at more than 3%, but concentration varies with clonal parentage, tree age, year, and site. Recommendations are given for establishing a fertility monitoring program.

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    Citation

    Hansen, Edward A. 1994. A guide for determining when to fertilize hybrid poplar plantations. Research Paper NC-319. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

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    Keywords

    nitrogen fertilization, tree nutrition, SRIC, biomass plantations, leaf bioassay

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