Roscoe Elmo Stephenson

UIUC:30112019817268

Agriculture

Wilbur Louis Powers / Gordon George Brown / Halbert Edgerton Selby / Henry Hartman / Obil Shattuck / Roscoe Elmo Stephenson / Walter Theodore Johnson / William Henry Dreesen / Roy Emery Hutchison

UIUC:30112019814737

Alfalfa

Paul William Miller

UIUC:30112019818282

Agriculture

Roscoe Elmo Stephenson

1373336730 / 9781373336736

History

Roscoe Elmo Stephenson

OCLC:35661586

Soil acidity

Roscoe Elmo Stephenson

UIUC:30112019817268

Agriculture

Roscoe Elmo Stephenson

UIUC:30112019821807

Humus

Paul William Miller / Carl Ephraim Schuster / Roscoe Elmo Stephenson

OCLC:20333892

Walnut

Gustav Hans Wilster / Helbert Edgerton Selby / Idwal Ralph Jones / James Niven Shaw / Joseph Wilcox / Louis Gustave Gentner / Ronald Eugene Dimick / Roscoe Elmo Stephenson

UIUC:30112019814794

Alfalfa as feed

Carl Ephraim Schuster / Roscoe Elmo Stephenson / Oregon State College. Agricultural Experiment Station

OCLC:701562574

Boron in plant nutrition

Wilbur Louis Powers / Gordon George Brown / Halbert Edgerton Selby / Henry Hartman / Obil Shattuck / Roscoe Elmo Stephenson / Walter Theodore Johnson / William Henry Dreesen / Roy Emery Hutchison

UIUC:30112019814737

Alfalfa

Roscoe Elmo Stephenson

UIUC:30112019822177

Liming of soils

Charles Leatherman / David Edmund Stephens / Ernest Milton Dickinson / James Niven Shaw / John A. Milbrath / Paul William Miller / Roscoe Elmo Stephenson / Sanford Myron Zeller / Wilbur Lovis Powers / Wilbur Tarleton Cooney / George Adamson Mitchell / Merrill Mahonri Oveson

OCLC:23525322

Alkali lands

Roscoe Elmo Stephenson

OCLC:459060002