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Filtering by: Creator United States Decade 1930-1939 Degree Name Doctor of Philosophy (Ph.D.)

Potassium availability in some Oregon soils

Creator:

Bushnell, Vernon Clifford

Resource Type:

Dissertation

Full Text:

OREGON SOILS by VERNON CLIFFORD BUSHNELL A THESIS submitted to the OREGON STATE COLLEGE in
Studies of the crinkle disease of strawberry with special reference to the inheritance of resistance

Creator:

Weaver, LeRoy Eugene

Resource Type:

Dissertation

Full Text:

selections being produced and 12 grown by Iir. George F. Waldo, of the United States Depart- ment of
A study of the viruses infecting European and American potato varieties

Creator:

Dykstra, Theodore P. (Theodore Peter), 1896-1979

Resource Type:

Dissertation

Full Text:

(35) and by Q,uanjer in Europe (26). In most of this work in the United States the variety, Green
Salt tolerance of certain forage crops

Creator:

Ahi, Sadegh Madjidi

Resource Type:

Dissertation

Full Text:

the United States, as stated by Harris (28), about 13 por cent of the irrigated land con- tains
Comparative study of the apple-tree anthracnose and perennial-canker fungi

Creator:

Kienholz, Jess Reuben

Resource Type:

Dissertation

Full Text:

Fruit and Vegetable Crops and Diseases, Bureau of Plant Indus1ry, United States Department of
Tomato tip-blight virus

Creator:

Milbrath, John A., 1909-

Resource Type:

Dissertation

Full Text:

JOHN A. MILBRATH A THESIS submitted to the OREG ON STATE C OLLEGE in partial fulfillment of the
The diffusion coefficients and molecular weight of gelatin

Creator:

Klemm, Karl

Resource Type:

Dissertation

Full Text:

state embo&ie. in the Xorthrop and Anson type ot oeil for the measurement of the diffusion velocit7