Books by "Roy Glen Wiggans"

4 books found

Studies of the Life History of Ustilago Avenae (Pers.) Jensen and of Ustilago Levis (Kell. & Swing.) Magn

by Doak Bain Carrick, Ezra Dwight Sanderson, Fannie Rane Randolph, George Raymond Gage, Homer Columbus Thompson, James Edward Knott, James Kenneth Wilson, Leonard Amby Maynard, Roy Glen Wiggans, Walter Van Price

1926

A Classification of the Cultivated Varieties of Barley

by Roy Glen Wiggans

1921

Lysimeter Experiments

by Benjamin Percy Young, Charles Paul Alexander, Edward Fraser Hopkins, George Cornell Supplee, Mortier Franklin Barrus, Peter Walter Claassen, Rollins Adams Emerson, Roy Glen Wiggans, Thomas Lyttleton Lyon

1920

Experiments in Crop Rotation and Fertilization