Crop productivity
Subtitle: research imperatives
By: editors, A. W. A. Brown ... [et al.].
Contributors: Brown, A. W. A. 1911-; United States. National Technical Information Service.
Series: NTIS -- PB255 881.; NTIS -- PB255 882.
Publisher: National Technical Information Service
Published: 1976
Place of publication: Springfield, Va
Language: eng
Subjects: Crop yields -- Congresses.; Field crops -- Congresses.
Genres: Congresses.
Notes: "PB255 881-PB255 882."

"An international conference sponsored by Michigan State University Agricultural Experiment Station and the Charles F. Kettering Foundation ..."

Includes bibliographies.