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  1. Effect of weed control treatments on total leaf area of plantation black walnut (Juglans nigra)

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    Author(s): Jason Cook; Michael R. Saunders
    Date: 2013
    Source: In: Miller, Gary W.; Schuler, Thomas M.; Gottschalk, Kurt W.; Brooks, John R.; Grushecky, Shawn T.; Spong, Ben D.; Rentch, James S., eds. Proceedings, 18th Central Hardwood Forest Conference; 2012 March 26-28; Morgantown, WV; Gen. Tech. Rep. NRS-P-117. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 43-49
    Publication Series: Paper (invited, offered, keynote)
    Station: Northern Research Station
    PDF: Download Publication  (137.75 KB)
    Note: This article is part of a larger document. View the larger document

    Description

    Determining total tree leaf area is necessary for describing tree carbon balance, growth efficiency, and other measures used in tree-level and stand-level physiological growth models. We examined the effects of vegetation control methods on the total leaf area of sapling-size plantation black walnut trees using allometric approaches. We found significant differences in total tree leaf area and cross-sectional stem area at breast height between trees receiving 100 percent (pre-emergent and post-emergent) weed control treatment and those receiving pre-emergent control or no control. Additionally, neither branch height nor weed control treatment factored significantly in determining branch leaf area (BLA), allowing for the use of a universal equation for calculating BLA in young black walnut plantations.

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    Citation

    Cook, Jason; Saunders, Michael R. 2013. Effect of weed control treatments on total leaf area of plantation black walnut (Juglans nigra). In: Miller, Gary W.; Schuler, Thomas M.; Gottschalk, Kurt W.; Brooks, John R.; Grushecky, Shawn T.; Spong, Ben D.; Rentch, James S., eds. Proceedings, 18th Central Hardwood Forest Conference; 2012 March 26-28; Morgantown, WV; Gen. Tech. Rep. NRS-P-117. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station: 43-49.

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https://www.fs.usda.gov/treesearch/pubs/44046