Redesigning no-tillage cropping systems
Subtitle: alternatives for increasing productivity and nitrogen use efficiency
By: by David Rhys Huggins.
Published: 1991
Language: eng
Number of pages: 235
Subjects: No-tillage.; Agricultural productivity.
Notes: Typescript.

Thesis (Ph. D.)--Washington State University, 1991.

Includes bibliographical references.

WSU:Another copy on microfilm, no. 6980.

WSU:"Department of Crop and Soil Sciences."