TY - BOOK AU - Harper,James E. AU - Schrader,Lawrence E. AU - Howell,Robert W. TI - Exploitation of physiological and genetic variability to enhance crop productivity SN - 0943088062 PY - 1985/// CY - Rockville, Md. PB - American Society of Plant Physiologists KW - Grain KW - Physiology KW - Congresses KW - Genetics KW - Breeding KW - Crop yields KW - Legumes N1 - Includes bibliographical references and index ER -