Physiological principles of dryland crop production, Isaoc Arnon and U.S. Gupta; drought injury and resistance of crop plants, Kenneth L. Larson and Russell E. Mullen; root patterns, their functions and improvement, U.S. Gupta, E.A. Hurd and E.D. Spratt; role of mulches on dryland agriculture, Paul W. Unger; role of humidity in dryland crop production, U.S. Gupta; wind effects and their amelioration in crop production, J.W. Sturrock; uses of antitranspirants in dryland agriculture, U.S. Gupta and D.N. Tyagi; photorespiration, Andrew Goldsworthy; crop improvement for arid environment, U.S. Gupta.
