Abstract
Water stress is one of the limiting factors for rice production. Under rainfed condition with erratic rainfall, water stress becomes a serious threat for sustainable rice production. Drought tolerant cultivars along with appropriate management practices can solve the problem. Field and control condition studies were carried out to study the response of some rice cultivars to water-stress, and to develop appropriate on-farm management strategy for sustainable yield under drought condition. The results revealed that most of the cultivars produced good yield under drought condition compared to normal irrigated condition (under control condition and field study). Levee management strategy (of height of 20 cm) seems a viable option to alleviate the effect of drought under field condition. Levee management and life-support supplemental irrigation (when necessary) can facilitate good yield of most of the cultivars. These cultivars seemed to be appropriate for cultivation in drought-prone areas.
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3 articles.
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