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Filtering by: Creator Amarasinghe, Upali S. Remove constraint Creator: Amarasinghe, Upali S. Academic Affiliation Horticulture Remove constraint Academic Affiliation: Horticulture

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  • Nitrogen use in container-grown woody ornamentals

    Creator:
    Sandrock, David Ray, 1971-
    Abstract:
    Lasting, effective solutions to nitrogen (N) loss from container nurseries must address layers of complexity ranging in scale from whole system nursery management to gene expression. Group-based On-site Active Learning (GOAL) was developed to aid nursery managers and related stakeholders (e.g. neighbors, policy makers, regulating agencies, researchers) in developing a...
    Resource Type:
    Dissertation
    Full Text:
    *"- r- 7 '~ ' d Co-Major Professor, representing Horticulture s ^ Chair of Department of

  • Enhancement of the weed competitive ability of lowland rice (Oryza sativa L.) cultivars

    Creator:
    Ranasinghe, Lakshman L.
    Abstract:
    Most of the presently grown cultivars of rice (Oryza sativa L.) have poor competitive ability against weeds if compared with traditional cultivars. Therefore, effective weed control is an important but often costly and difficult management practice in rice crop production. If weed competitive ability of rice cultivars could be improved...
    Resource Type:
    Dissertation
    Full Text:
    Horticulture — <S Chair of Department of Horticulture . ' V • * ' *- ~ L. ^r Dean of Graduate