Citation: Gurdev S Khush 1987. Development of rice varieties suitable for double cropping. Pages 235-246. In: Tropical Agriculture Research Center, Ministry of Agriculture, Forestry and Fisheries, Japan. Tropical Agriculture Research Series No. 20.

Keywords: Oryza sativa, increases in rice production, Bangladesh, Burma, Myanmar, China, India, Indonesia, South Korea, Malaysia, Pakistan, Philippines, Thailand, Vietnam, Sri Lanka, rice yield, shorter growth duration, multiple insect and disease resistance, grain quality, breeding history, impact of early-maturing varieties

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