Dr. Kramer is James B. Duke Professor of Botany, Emeritus, Duke University. Dr. Raper is associate professor of soil science at North Carolina State University.

• SECTION I CROP CLIMATOLOGY IN HUMID, TEMPERATE REGIONS , SECTION II YIELD REDUCTIONS CAUSED BY STRESS, SECTION Ill PHYSIOLOGICAL BASIS OF INJURY AND TOLERANCE, SECTION IV REDUCTION OF INJURY BY MANAGEMENT SECTION V REDUCTION OF INJURY BY PLANT BREEDING, SECTION VI STRESS RESEARCH IN CONTROLLED ENVIRONMENTS, SECTION VII RESEARCH NEEDS AND PRIORITIES