This study was conducted to investigate the possible contamination of foreign pollen at different stages of a wheat breeding program. These included spaced planted F₂ segregating populations, replicated yield trials a ...

This thesis details my investigations of marine cyanobacterial natural products that resulted in the discovery of eighteen new secondary metabolites. Isolation and characterization of these unique molecules were carrie ...

The response to various levels of stand density by natural Douglas-fir regeneration, shrub and sprouting hardwood species was studied in the mixed-evergreen-forests of southwest Oregon. Partial-cut old growth (harveste ...

The main objective of the study was an attempt to obtain a general explanation for the geographical pattern of agricultural income. This was undertaken in the belief that certain possible determinants of agricultural ...

Timber-dependent, rural communities in the Pacific Northwest face dramatic economic, political, and cultural change. New philosophies of forest management, primarily formulated in urban communities, require new approa ...

Understanding the impact of humans on the environment has long been a topic of scholarly interest and debate. As environmental problems mount, accounts of historic ecological conditions and the factors of change become i ...

The over-tenderization of irradiated-sterilized meat is one of the more important adverse effects resulting from the use of irradiation for the preservation of meat. Although research has been reported on the activity ...