Rapeseed and mustard dominate in the oilseed cultivation in Bangladesh. Exploration of both long duration and short duration rapeseed-mustard can reduce the gap between demand and production of oilseed. The aim of this study was to identify the difference in economic return between late maturing and early maturing rapeseed and mustard genotypes in terms of benefit-cost ratio. Two early maturing and twenty late maturing rapeseed and mustard lines were used in the experiment. Economic analysis was carried out for all genotypes. Three late maturing lines M-215, M-219 and M-224 showed outstanding results yielding 4.56 tons, 4.16 tons and 3.85 tons per ha, respectively. Their benefit-cost ratio over total cost was 4.34, 3.97 and 3.67 respectively, whereas two early maturing varieties accounted for a benefit-cost ratio of 1.29 and 1.43, which is far too low from the selected lines. The results of this study indicated that late maturing varieties are more profitable in terms of benefit-cost ratio although they decline cropping intensity.
Key words: Late maturing, early maturing, rapeseed and mustard, economic profitability
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