Moving up the yield curve :
Moving up the yield curve : advances and obstacles : proceedings of a symposium/
sponsored by Divisions S-4, S-8, and A-4 of the American Society of Agronomy and the Soil Science Society of America ; organizing committee, Lloyd Hossner, Robert Hoeft ; editor-in-chife, Matthias Stelly ; assistant editor, Mary P. Wirtz.
- Madison, Wis. : ASA: Soil Science Society of America, 1980.
- vii, 103 p. : ill. ; 23 cm.
- ASA special publication ; no. 39 .
Presented during the annual meeting in Chicago, Illinois, 3-8 December 1978.
Includes bibliographical references.
0891180648 (pbk.)
Crop yields--Congresses.
Agronomy--Congresses.
SB16 / M69 1980
Presented during the annual meeting in Chicago, Illinois, 3-8 December 1978.
Includes bibliographical references.
0891180648 (pbk.)
Crop yields--Congresses.
Agronomy--Congresses.
SB16 / M69 1980