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  • Characterization of geohumus for use in turf

    Creator:
    Patton, Ty J.
    Abstract:
    Geohumus is a new, unique hybrid soil amendment made of polyacrylic acid, igneous rock flour, and quartz sand. It is biodegradable and is marketed to increase soil porosity, increase plant yield, and increase plant available water by up to 30%, all while using a low inclusion rate of only 1...
    Resource Type:
    Masters Thesis
    Full Text:
    approved: _____________________________________________________________________ John G. Lambrinos

  • Defining agricultural sustainability in the Marys River region of Oregon

    Creator:
    Stanton, Michael
    Abstract:
    This ethnographic study explores the social aspects of agricultural land-use in the Marys River region. The study seeks to understand how farmers define sustainability and how their views on agricultural issues help to define a sense of place and identity in the Marys River region, within the context of the...
    Resource Type:
    Dissertation
    Full Text:
    : _________________________________________________ John G. Lambrinos This ethnographic study explores the social aspects of agricultural land

  • Quantifying the Potential of Native Plants for Improving Pollination and Biological Control in Agroecosystems

    Creator:
    Winfield, Tammy L.
    Abstract:
    Agricultural areas can be inhospitable to the attraction and maintenance of beneficial insects like natural enemies and pollinators and this can result in a decrease in the ecosystem services of pollination and pest control that these insects supply. If habitat can be created and maintained on-farm, an increase in the...
    Resource Type:
    Undergraduate Thesis

  • Patterns of carbon storage within a mature northern highbush blueberry production system

    Creator:
    Nemeth, Denise Alexandra
    Abstract:
    The objectives of this study were to: 1) determine how organic matter (incorporated vs. surface mulch) and nitrogen fertilization rate impact northern highbush blueberry (Vaccinium corymbosum L.) plant biomass, carbon accumulation, plant losses and allocation, and mycorrhizal infection in mature plants, and 2) determine the magnitude of carbon fluxes (carbon...
    Resource Type:
    Dissertation
    Full Text:
    John G. Lambrinos The objectives of this study were to: 1) determine how organic matter