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    Author(s): H. Gratkowski
    Date: 1959
    Source: USDA Forest Service PNW Old Series Research Paper No. 31: 1-27
    Publication Series: Research Paper (RP)
    Station: Pacific Northwest Research Station
    PDF: View PDF  (2.0 MB)


    A series of screening tests were established during 1955 to determine the effects of six commercial and experimental herbicides on brush in southwestern Oregon. The herbicides were tested as foliage sprays on 13 of the most abundant species and varieties of brush on forest lands in this area. Low volatile esters of 2, 4-D and 2,4, 5-T proved to be the most effective herbicides.

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    Gratkowski, H. 1959. Effects of herbicides on some important brush species in southwestern Oregon. USDA Forest Service PNW Old Series Research Paper No. 31: 1-27

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