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Filtering by: Subject Tillage -- Oregon Remove constraint Subject: Tillage -- Oregon Decade 1990-1999 Remove constraint Decade: 1990-1999

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  • Long-term effects of tillage, nitrogen, and rainfall on winter wheat yields

    Creator:
    Camara, Kelli Marie
    Abstract:
    Winter wheat is commonly grown in dryland cropping systems in the Pacific Northwest region of semi-arid eastern Oregon. For agronomic, economic, and environmental reasons, it is important to understand the long-term sustainability of such dryland systems. The objective of this study was to evaluate the long-term effects of tillage, nitrogen...
    Resource Type:
    Masters Thesis
    Full Text:
    cropping systems of eastern Oregon. Data were taken from the Tillage/Fertility or "Balenger" experiment

  • Integration of conservation tilage and cover crops in broccoli production systems of the Pacific Northwest

    Creator:
    O'Brien, Timothy John
    Abstract:
    Field and greenhouse experiments were conducted in 1996 and 1997 to evaluate the effects of integrating conservation tillage and cover cropping on broccoli production as well as agroecological parameters. A field experiment was conducted during 1996-97 at the Oregon State University Horticulture Research farm near Corvallis, OR. The specific objectives...
    Resource Type:
    Masters Thesis
    Full Text:
    integrate cover crops and conservation tillage. Many Oregon vegetable growers have expressed an increased