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Filtering by: Creator Spies, Thomas A. Degree Field Soil Science

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
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:

alfalfa on selected limed soils in western Oregon AN ABSTRACT OF THE THESIS OF Thomas A. Doerge for the