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Filtering by: Creator Ray, R. D. Remove constraint Creator: Ray, R. D. Advisor Appleby, Arnold P. Remove constraint Advisor: Appleby, Arnold P. Creator Mcauliffe, David Remove constraint Creator: Mcauliffe, David

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  • Interaction of ethofumesate with dry soil

    Creator:
    McAuliffe, David
    Abstract:
    Previous studies have shown loss of ethofumesate activity when the herbicide was applied to dry soil (2% w/w moisture content) in both field and greenhouse studies, even when rainfall or irrigation was received within a few days. Laboratory studies were conducted to determine the mechanism for this activity loss. Dry...
    Resource Type:
    Dissertation
    Full Text:
    (r = .89 and -.95, respectively). Ethofumesate adsorption studies were conducted in four soils

  • Effect of a pre-irrigation period on the activity of ethofumesate applied to dry soil

    Creator:
    McAuliffe, David
    Abstract:
    Applications of ethofumesate in Oregon have been observed from previous research and from commercial use to be less effective when applied to dry soils, even if subsequent precipitation occurred within a few days. Two field studies were established in the summer of 1979 using sweet corn (Zea mays L. 'Jubilee')...
    Resource Type:
    Masters Thesis
    Full Text:
    Redacted for Privacy Dean of Grad ate School r Date thesis is presented February 13, 1981 Typed by Gloria