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    Author(s): Edward Hansen; Daniel Netzer; W.J. Rietveld
    Date: 1984
    Source: Research Note NC-320. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
    Publication Series: Research Note (RN)
    Station: North Central Research Station
    PDF: View PDF  (732.44 KB)

    Description

    Five site preparation treatments consisting of combinations of tillage, contact herbicide (glyphosate), and pre-emergent herbicide (linuron) were tested for their effects on tree survival and growth. Treatments had little effect on tree survival, but effects on second-year-tree height were significant and additive -- i.e., tree height increased as the number of types and repetitions of site preparation increased. Best growth was obtained with a summer fallow-with-herbicide treatment consisting of two applications of glyphosate followed by plowing and repeated disking, plus spring disking and application of linuron at planting time. A comparable growth response was obtained from the less intensive fall-plow treatment consisting of one application of glyphosate followed by plowing and disking, plus spring disking and application of linuron at planting time. The least effective treatment was no-till, presumably because of lowered soil temperatures.

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    Citation

    Hansen, Edward; Netzer, Daniel; Rietveld, W.J. 1984. Site Preparation For Intensively Cultured Hybrid Poplar Plantations. Research Note NC-320. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

    Keywords

    Intensive culture, weed control, glyphosate, linuron, no-till, tillage, fallowing, plantations establishment

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