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Creator:: Doerge, Thomas A.
Resource Type:: Dissertation
Full Text:: approved: Redacted for Privacy /(E. Hugh Gardner Soil acidity is widespread in the Willamette Valley of

Creator:: Parker, David R.
Abstract:: Several crops grown in the Willamette valley of western Oregon respond to applications of boron fertilizers. The acid, highly-leached soils of this area are naturally low in plant-available B. Application of B to the soil annually or at less frequent intervals is currently recommended, but the fate of applied B...
Resource Type:: Masters Thesis
Full Text:: Selected Western Oregon Abstract approved: Redacted for Privacy /E. Hugh Gardner Several crops grown in

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:: . Hugh Gardner A diversity in climate, geologic parent material, and soil characteristics exist in

Creator:: McCarthy, Michael J.
Abstract:: Pastures consisting of mixtures of subclover (Trifolium subterraneum) and grasses have responded to sulfur fertilization on many sites in Douglas County, Oregon. The objectives of this study were to examine specific changes in forage quality which occur as sulfur is applied in excess of the amount required for maximum yield...
Resource Type:: Masters Thesis
Full Text:: Privacy Dit. E. Hugh Gardner Pastures consisting of mixtures of subclover (Trifolium subterraneum) and

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:: Privacy Redacted for Privacy ACKNOWLEDGEMENTS Sincere appreciation is expressed to Dr. E. Hugh

Creator:: Kauffman, Marvin Dean
Abstract:: The application of lime to an acid Nekia soil significantly increased the yield of winter wheat and alfalfa in a field experiment. Crop yields maximized when the lime was partially mixed into the surface four inches of the soil. Thorough mixing of the lime into the surface six inches of...
Resource Type:: Dissertation
Full Text:: : Redacted for Privacy jboctor E. Hugh Gardner The application of lime to an acid Nekia soil significantly

Creator:: Nibler, Francis J.
Abstract:: Nitrogen (N), phosphorus (P), and sulfur (S) fertilization trials with Stephens winter wheat (Triticum aestivum L.) were conducted on the Columbia Plateau under minimum and no tillage conditions. The crop rotation was either wheat-summer fallow (summer fallow) or wheat-wheat (recrop). Nitrogen variables included: N rates, N timing, and N source...
Resource Type:: Masters Thesis
Full Text:: Tillage. Abstract Approved: Redacted for Privacy E/Hugh Gardner Nitrogen (N), phosphorus (P), and

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