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Filtering by: Creator Armah-Agyeman, Grace Academic Affiliation Crop and Soil Science Degree Name Doctor of Philosophy (Ph.D.)

Growth and development of spring grain species as affected by planting date

Creator:

Armah-Agyeman, Grace

Abstract:

Changes in the federal farm program, in rainfall pattern and quantity, and increased incidence of herbicide resistant weeds and diseases have generated increased interest in spring grains in the Pacific Northwest. However, spring grains have traditionally been treated as minor crops in this region, thus little research has been done...

Resource Type:

Dissertation

Full Text:

Affected by Planting Date by Grace Armah-Agyeman A THESIS submitted to Oregon State University
Performance of perennial ryegrass (Lolium perenne L.) seed crops under water stress conditions

Creator:

Velloza, Theodosius Marmaduke

Abstract:

Summer drought is a major factor limiting the regrowth of perennial ryegrass seed crops. This phase of crop development has a strong influence on seed yield because most of the tillers that contribute towards next season's seed crop are produced or regrown during this period. In recent years many seed...

Resource Type:

Dissertation

Full Text:

this period. My association with Grace Naa Chochoe Armah- Agyeman and Mercy Tuiya Cheres symbolized an