Environmental physiology modeling and simulation of alfalfa growth.
Holt, Donald A.,author.
Bula, Raymond J.author.
Miles, Gaines E.,author.
Schreiber, Marvin M.,author.
Peart, R. M.,1925-author.
Purdue University.Agricultural Experiment Station,publisher.
United States.Agricultural Research Service.
Caption title.
"In cooperation with the Agricultural Research Service, U.S. Department of Agriculture."
Includes bibliographical references (page 25-26).