Conservation practices on wheat lands of the Pacific NorthwestDavid E. Stephens · First published 1944Open the Tome
Water requirement of wheat at the Sherman Branch Experiment StationDavid E. Stephens · First published 1943Open the Tome
Experiments in wheat production on the dry lands of Oregon, Washington, and UtahDavid E. Stephens · First published 1932Open the Tome
Wheat varieties for the Columbia River Basin of OregonDavid E. Stephens · First published 1932Open the Tome
Dry-farm crop rotation experiments at Moro, OregonDavid E. Stephens · First published 1924Open the Tome
Experiments in wheat production on the dry lands of the western United StatesDavid E. Stephens · First published 1923Open the Tome
Dry farming investigations at the Sherman County Branch Experiment StationDavid E. Stephens · First published 1917Open the Tome
Experiments with spring cereals at the Eastern Oregon Dry-Farming Substation, Moro, OregDavid E. Stephens · First published 1917Open the Tome