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 AS  Vol.10 No.11 , November 2019
Yield Gap of Stress Tolerant Rice Varieties Binadhan-10 & Binadhan-11 in Some Selected Areas of Bangladesh
Abstract: Binadhan-10 & Binadhan-11 are climate smart stress tolerant high yielding rice varieties (yield > 4 t⋅ha−1) have saline tolerant EC up to 12 ds/m and submergence tolerant up to 20 - 25 days capacity. The present study was an attempt to analyze the yield gap of stress tolerant varieties Binadhan-10 & Binadhan-11 in some selected areas of Bangladesh. The objectives of the study were: 1) to estimate the yield gap of Binadhan-10 &-11 growers among the study areas; 2) to identify the factors affecting the yield of these variety; and 3) to suggest some policy guidelines to minimize the yield gap. The study was conducted in eight Binadhan-10 & Binadhan-11 growing areas in Bangladesh. In this study, four districts namely Satkhira, Khulna, Barishal, and Cox’s Bazar were used for Binadhan-10 and Mymensingh, Jamalpur, Sherpur and Sunamgonj were taken for Binadhan-11. It is based on primary level data from eight sub-districts among the study areas. A total of 240 farmers were randomly selected (30 from each location) to collect the data with a pre-designed questionnaire. Farmer were grouped according to saline affected and not-affected for saline tolerant variety Binadhan-10 and not affected, affected (1 - 10 days) and highly affected (10 - 20 days) for submergence tolerant rice variety Binadhan-11 to identify existing yield gap. Tabular as well as Zandstra method were applied for analysis the data. The study also found factors affecting the gap and some policy guidelines to minimize the gap.
Cite this paper: Sultana, R. , Rahman, M. , Haque, M. , Sarkar, M. and Islam, S. (2019) Yield Gap of Stress Tolerant Rice Varieties Binadhan-10 & Binadhan-11 in Some Selected Areas of Bangladesh. Agricultural Sciences, 10, 1438-1452. doi: 10.4236/as.2019.1011105.
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