Moving Up the Yield Curve: Advances and Obstacles 
Subtitle: Proceedings of a Symposium (Asa Special Publication ; No. 39)
Publisher: Amer Society of Agronomy
Published: June 1980
Language: eng
Format: Paperback
Number of pages: 103
ISBN-13: 9780891180647
Subjects: Congresses; Crop yields; Agronomy