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Filtering by: Creator Stephenson, Jerry D. Advisor Stephenson, R. E. Decade 1950-1959

The effects of variation in rate and time of application of nitrogen on wheat on trashy and clean fallowed soil

Creator:

Ramage, Carroll Herbert

Resource Type:

Masters Thesis

Full Text:

, and lower nitrate content thrzghout the summer season in comparison with bare soil d with soil
The effect of sawdust on the up-take of nitrogen, phosphorus, and potassium by strawberry plants

Creator:

Shih, Shui-Ho

Resource Type:

Dissertation

Full Text:

a'm'lar materie.ls further d$pleted the soil nitrogen supply b7 the production ot a compound injurious
Effects of cultivation and organic treatments on some physical properties of western Oregon soils

Creator:

Appleton, Leonard Roald

Resource Type:

Masters Thesis

Full Text:

. th the turn o£ the century, and ·especially since l9JO. concern has .m.ount~d over the permanency