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The major objectives of the study were to determine farmers' knowledge on climate change effects in agriculture and to identify the factors that influenced farmers' knowledge on climate change effects in agriculture. The study was conducted in four villages under Kazipur upazila of Sirajgonj district. Data were collected by using interview schedule from randomly selected 113 respondents during 1 st January to 30 th January, 2018. The findings revealed that an overwhelming majority (78.8%) of the respondents had medium to high knowledge on climate change effects in agriculture. Among eight selected characteristics, extension media contact, training received, organizational participation, and cosmopoliteness had significant positive contribution to the farmers' knowledge on climate change effects in agriculture. It is recommended that to increase farmers' knowledge on climate change effects initiative should be taken to improve farmers' knowledge through more involving with organization, extension media and program.

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Krisoker Janala (Farmers Window) is a newly develop app that is used by the agricultural extension agent of Bangladesh to spread information to the farmers. In this regard, the objectives of this study were to assess the effectiveness of Krisoker Janala for disseminating agricultural information and to explore the contributory factors of using Krisoker Janala. Data were collected from 106 Sub Assistant Agriculture Officers (SAAOs) under four upazilas (sub district) of Chuadanga district. A face to face interview followed by structured questionnaire was conducted to collect data from the SAAOs during a period of early June to the end of July, 2018. The result of interview revealed that 64.2% of the respondents perceived that use of Krisoker Janala is moderately effective while 24.5% and 11.3% of them perceived as less and high effective respectively. Multiple regression analysis was applied to identify significant factors and it was found that out of seven factors, three namely extent of ICT use, the information quality of Krisoker Janala and use of Krisoker Janala had significant positive contribution to their perceived effectiveness of Krisoker Janala for disseminating agricultural information. So, the policy makers should consider to these important factors in order to increase the effectiveness of this agro based app as well as for providing better service to the farmers.