The current study assesses the adoption of Climate-Smart Agriculture (CSA) practices by farmers in some selected areas at Ishwarganj Upazila under Mymensingh district of Bangladesh, looking at socio-economic profiles, extent of adoption, factors driving CSA implementation, and any existing challenges to implementation. Based on structured interviews in Bhatichar-Nowpara and Shahaganj village of Ishwarganj Upazila by using simple random sampling with 65 farmers (30 CSA adopters and 35 non-CSA adopters), data were analyzed through descriptive statistics, a participation index and binary logistic regression model was employed to attain the objectives. Results show that the examples of popular CSA practice are the use of organic fertilizer (regular adoption percentage is 100%) and alternative wetting and drying (regular adoption percentage is 86.66%), while rainwater harvesting and floating vegetable beds were identified to be the least common due to the lack of resources and full awareness. High costs, lack of technical expertise, and poorly developed infrastructure are some of the barriers to wider adoption. The study suggests that even though CSA practices are most likely to enhance productivity and resilience, adoption depends on targeted interventions. Overcoming these challenges can lead to the sustainable integration of CSA practices, which will support food security and build climate resilience in the agricultural practices areas of Bangladesh.
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Muskmelon (Cucumis melo L) is a very important summer crop cultivating at large scale in Bangladesh. The goal of this study was to determine the degree of character relationship between the quantity of fruits per plant and other growth characteristics of the studied 22 genotypes of muskmelon. The genotypes in this investigation differed significantly. A strongly positive correlation was recorded between two vigor indices, two foliar disease resistance (FDR) values, first flowering and 50% flowering days. The yield trait (fruit quantity per plant) was positively correlated with vigor indices and negatively correlated with FDR values. G17, G6, G21, and G10 were the most superior genotypes in comparison to other genotypes based on the vigor index and FDR value at 56 DAT including the fruit number per plant. Such genotypes can be used as breeding materials for subsequent genetic improvement in the purpose of developing high yielding stable variety.
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In the present research, the impact of chemical priming on BJRI Mesta 2 (Hibiscus sabdariffa) germination under salinity stress was examined. The seeds were primed with KNO₃ (10mM), GA₃ (50mM), or H₃BO₃ (8µM) then tested with NaCl concentrations ranging from 0 to 200mM. The findings indicated that germination significantly decreased as salinity increased, reaching total suppression at 200mM NaCl. Salinity effects were lessened by chemical priming; KNO₃ was the most successful, retaining 83.3% germination at 0mM and 5.0% at 200mM, followed by GA₃ and H₃BO₃. KNO₃ is superior at promoting germination under stress. The results provide information for growing BJRI Mesta 2 in areas impacted by salinity and demonstrate the ability of chemical priming, especially KNO₃, to enhance seed germination in saline circumstances.
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An experiment was conducted at the Horticulture farm of Bangladesh Agricultural University, Mymensingh during the period from December, 2006 to March, 2007 to evaluate the effect of NPKS on the growth and yield of carrot. Various doses of NPKS viz. 0,59,78, and 98kg N; 0, 54, 72 and 90kg P; 0, 65, 87, and 109kg K and 0,10,14, and 18 kg S/ha and cow dung only (4t/ha) were tested in 15 treatment combinations. The experiment was laid out in Randomized Complete Block Design with three replications. The treatments had significant effect on plant height, number of leaves, fresh weight of leaves and roots, root length and root diameter, percent cracked root, branched root and rotten roots, gross yield and marketable yield of carrot. The maximum plant height, number of leaves, fresh weight of leaves and root per plant, root length and root diameter, cracked root and branched root were obtained from the N98P72K87S14Kg/ha treatment. The highest marketable yield (38.53/ha) resulting maximum economic return (Tk. 1,62,575/ha) with a benefit cost ratio of 4.29 was produced by N98P72K87S14Kg/ha while the lowest yield of carrot (19.40 t/ha) was obtained from the control treatment (no manure and fertilizer).
Key words: Nutrient, carrot, root yield, marketable yield
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Drought is one of the stresses that affect the growth and yield of wheat. Silicon might alleviate this environmental stress and improve wheat yield. Based on this hypothesis, an experiment was conducted at the Soil Science Field Laboratory, Bangladesh Agricultural University, Mymensingh, to unfold the effects of Silicon (Si) on wheat using rice husk ash (RHA) as a source of Si. The experiment was laid out in a Split Plot Design with irrigation in the main plots and RHA amendments in the subplots. The water management treatments were irrigated and rainfed, and four levels of RHA viz. RHA0-control, RHA1-1.25, RHA2-2.50 and RHA3-5.00 t/ha were accommodated in the subplots with three replications. All the experimental plots received recommended doses of nutrients (N, P, K and S). Results showed that the interaction effect of irrigation and RHA treatments significantly affected wheat yield and yield contributing characteristics. The treatment IR RHA3 (5.0 t/ha RHA with irrigation) produced the highest grain yield of 0.819 t/ha (32.5% increase over control) and straw yield of 1.55 t/ha (51% increase over control). The lowest grain yield and straw yield (0.62 and 1.16 t/ha, respectively) were found in control (RHA1). Under non-irrigated conditions, RHA amendment increased grain and straw yields up to 8.6 and 35.5%, respectively, compared to control. The nutrient and Si content in wheat was also markedly influenced by the interaction effect of irrigation and RHA amendments. Available soil Si content increased with increasing RHA amendment. So, the application of 5.0 t/ha RHA could be a preventive measure for growing wheat in water stress areas of Bangladesh.
Key words: Drought, Silicon, rice husk ash (RHA), wheat, yield.
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