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Filtering by: Committee Member Jackson, Tom

Relationships among phosphorus soil tests, forms of soil phosphorus, and plant uptake of phosphorus for selected southwestern Oregon soils

Creator:

Doerge, Thomas A.

Abstract:

A diversity in climate, geologic parent material, and soil characteristics exist in Jackson, Josephine, Coos, and Douglas Counties of southwest Oregon. Previous field trials and soil testing results have revealed uncertainties as to the phosphorus (P) status of the soils in this area. Twenty-four sites from nine agriculturally significant soil...

Resource Type:

Masters Thesis

Full Text:

career in Soil Science. I would also like to thank Dr. Tom Jackson, Dr. Rod Frakes, and Dr. Gene Nelson
The fertilizer value of shrimp and crab processing wastes

Creator:

Costa, Robert Edward

Abstract:

The Federal Water Pollution Control Act Amendments of 1972 prohibits the discharge of seafood processing solid wastes into navigable waters after July 1, 1977. Oregon shrimp and crab processors must use other methods of disposal for the 15 to 30 million pounds of solid waste generated annually. The application of...

Resource Type:

Masters Thesis

Full Text:

also like to thank Dr. Tom Jackson, Dr. Van Volk, and Dr. Bill McGuire, members of my graduate
Variation in the foliar nutrient status of several Douglas-fir provenances

Creator:

Stevens, Roderick D.

Abstract:

From a preliminary 1969 foliar analysis, eight provenances were chosen from the sixteen included in a region-wide, reciprocal Doulgas-fir provenance study for further study of variation in foliar nutrition. In the fall of 1969 separate foliar samples were collected from ten trees per provenance at each of ten plantations ranging...

Resource Type:

Dissertation