Citation:

Chapter 9. C Ramasamy, TR Shanmugam, D Suresh. 1996. Constraints to higher rice yields in different rice production environments and prioritization of rice research in Southern India. Pages 145-160. In: RE Evenson, RW Herdt, M Hossain. 1996. Rice Research in Asia: Progress and Priorities. CAB International, Wallingford, Oxon OX108DE, UK and International Rice Research Institute, PO Box 933, 1099 Manila, Philippines. 405 pages.

Keywords: rice Oryza sativa, methodology, defining the challenge and constraints, estimation of intensity/severity of constraints, estimating costs, estimation of net present value and benefit-cost ration, addressing the challenges through biotechnological initiatives, rice research in India, institutions and projects, rice varietal improvement, rice crop management, rice physiology, rice plant protection, rice biotechnology, estimates of yield gaps, Andhra Pradesh, Karnataka, Kerala, Tamil Nadu, insect pests, diseases, priority research problems, costs, stagnating rice yields