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Filtering by: Creator Yungen, John A. (John Alfred) Degree Field Soils

Crop response to sulfur and the sulfur supplying power of several southern Oregon soils

Creator:

Yungen, John A. (John Alfred)

Resource Type:

Masters Thesis

Full Text:

SOUTHERN OREGON SOILS by oirr ALFRED YUNCEN A THESIS submitted to OREGON STATE COLLEGE in