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Filtering by: Committee Member Penner, Michael H. Remove constraint Committee Member: Penner, Michael H. Decade 1970-1979 Remove constraint Decade: 1970-1979 Degree Level Master's Remove constraint Degree Level: Master's

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  • Characteristics of compacted soils from Eastern Oregon

    Creator:
    Goh, Hock Swee
    Abstract:
    Soil samples and soil clods were collected from ten potato fields in Eastern Oregon. An index of grain size distribution was sought that would correlate well with compacted soil bulk density. The Hazen coefficient of uniformity was best related to bulk density. The limitations of various indices and their relationship...
    Resource Type:
    Masters Thesis
    Full Text:
    . Michael H. Chaplin for introducing me to Oregon State University while he was in Malaysia, his help and

  • The effects of plant population and nitrogen on sweet corn yields

    Creator:
    Moss, Joe Dick
    Abstract:
    The response of sweet corn (Zea mays L. var. rugosa cultivar Jubilee) to 12 populations and four nitrogen rates was studied in a field experiment. Populations ranged from 43, 904 to 329,800 plants/ha with nitrogen levels ranging from 0 to 224 Kg/ha. A systematic spacing design was used. Plant height,...
    Resource Type:
    Masters Thesis
    Full Text:
    . Recognition is also given to Dr. Michael H. Chaplin, Dr. William W. Chilcote, and Dr. Murray D