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Evaluation of long term reacidification and growth of alfalfa on selected limed soils in western Oregon

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

The mobility and plant availability of boron in selected western Oregon soils

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

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

Some effects of sulfur fertilization on the nutrient value of subclover-grass forage

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

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

The effect of soil acidity and lime placement on root growth and yield of winter wheat and alfalfa

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

Fertilizer requirements of wheat grown under conservation tillage

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

Effects of lime and VA-Mycorrhiza interactions on growth responses of sweetgum seedlings

Creator:: Davis, Elizabeth Anne
Abstract:: A study, consisting of two sequential greenhouse experiments, was designed to determine the effects of soil liming upon the fungal partner in a mycorrhizal association. A Willamette Valley foothill soil, of the Jory series, was limed in increments to achieve a range of acidity and alkalinity. The P-deficiency and P-fixing...
Resource Type:: Masters Thesis
Full Text:: exceptional research facilities; Dr. E. Hugh Gardner for serving on my committee and showing enthusiastic

Evaluation of soil and plant analyses as components of a nitrogen monitoring program for silage corn

Creator:: Marx, Ernest S.
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Ernest S. Marx for the degree of

Soil factors related to potassium deficiency of stone fruits in the Willamette Valley

Creator:: Selig, Randy S.
Resource Type:: Masters Thesis
Full Text:: highly correlated with the boiling nitric acid extractable K. Gardner (1960) examined the re

ScholarsArchive@OSU

Evaluation of long term reacidification and growth of alfalfa on selected limed soils in western Oregon

The mobility and plant availability of boron in selected western Oregon soils

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

Some effects of sulfur fertilization on the nutrient value of subclover-grass forage

The fertilizer value of shrimp and crab processing wastes

The effect of soil acidity and lime placement on root growth and yield of winter wheat and alfalfa

Fertilizer requirements of wheat grown under conservation tillage

Effects of lime and VA-Mycorrhiza interactions on growth responses of sweetgum seedlings

Evaluation of soil and plant analyses as components of a nitrogen monitoring program for silage corn

Soil factors related to potassium deficiency of stone fruits in the Willamette Valley

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