Potato is the third largest food crop in Bangladesh by tonnage of production. Its acreage and production are also increasing in day after day. This study was accomplished to examine the profitability and resource use efficiency of potato cultivation in five upazilas of Munshiganj district of Bangladesh. A total of 52 farmers were selected randomly from the study area. Data were collected through farm survey by using a suitable pre-tested questionnaire in February-March, 2016. Profitability analysis, Cobb-Douglas production function, MVP, MFC and Farm Budgeting model were used to analyze the objectives. Average gross return, gross margin and net return were found Tk. 3,47,200, Tk. 1,47,125 and Tk. 1,17,300, respectively. Benefit-cost ratio was found 1.51 and 1.74 on full cost and variable cost basis, respectively. The key production factors, i.e. human labour, land preparation, seed, fertilizer, insecticides and irrigations had significant effect on gross return of potato. Resource use efficiency analysis revealed that farmers were not efficient in using resources in potato cultivation. Human labor, land preparation, insecticide and irrigation were under-utilized and therefore increasing use of those resources could maximize the profitability. Seed and fertilizer constituted major parts of the cost of production hence optimum use of those resources could also enhance the profitability and resource use efficiency of potato cultivation in Munshiganj district.

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The paper analysed the profitability and resource use efficiency of boro rice cultivation in Bogra district of Bangladesh using farm level survey data of April-May, 2016. In total 103 farmers were selected randomly from the study area. Result based on Farm Budgeting model showed that per hectare variable cost and total cost of production was BDT (Bangladeshi Taka) 57,583 and BDT 71,208 respectively. Average yield was found 4.112 ton which was more than the previous year's national average yield of 3.965 ton. The average gross return, gross margin, and net return were BDT 86,548, BDT 28,965 and BDT 15,340 respectively. Benefit-Cost ratio (BCR) was found 1.22 and 1.50 on full cost and variable cost basis. Cobb-Douglas production function analysis showed that the key production factors, that is, human labour, irrigation, insecticide, seed and fertilizer had statistically significant effect on yield. MVP and MFC ratio analysis showed that growers allocated most of their resources in the rational stage of production.

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Floating gardening acts as a fruitful climate-change adaptation strategy in different wetland areas of Bangladesh. The study accomplished to examine the profitability of floating gardening in Gopalgonj district of Bangladesh in 2018. A total of 100 floating gardeners were interviewed to achieve the objectives. Descriptive statistics and Cobb-Douglas production function were used to investigate the factors influencing yield of floating gardening. The findings reveal that, small and marginal farmers were more involved in floating gardening. Around sixty-five percent of the production costs was contributed by human labour. Floating gardeners of the study area earned a net return of BDT 457,901 per hectare per year. Human labour, fertilizers and support materials significantly affected the yield. More training and improved marketing system could further enhance the profitability. Int. J. Agril. Res. Innov. Tech. 10(1): 87-93, June 2020