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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.

Agricultural produce of vegetable growers is often lost after production due to many marketing challenges which make it difficult for vegetable growers to explore full market potentials and these also reduce incentives of participation in formal (commercial) or high-value markets. The aim of the study was thus to index and analysis factors (constraints) affecting marketing of major vegetables from growers perspective. Data were collected from 113 vegetable growers, Pearson’s correlation co-efficient (r) was used to determine the relationship between the selected socio-economic characteristics of the vegetable growers and their extent of marketing constraints faced.  With regard to constraints, majority (68.1%) of the respondents faced medium constraints, while 16.9% and 15% of them had low and high marketing constraints, respectively. Among eleven characteristics, growers’ training received knowledge on vegetable marketing and availability of marketing information showed significant and negative relationship with their extent of marketing constraints faced. While age, education, family member, vegetable cultivation experience, annual family income, credit availability, extension contact did not show any significant relationship with their extent of marketing constraints.  Results showed that lack of access to storage facilities was ranked the most prominent constraint followed by presence of middle man, lack of market information, inadequate access roads and lack of access to credit availability and high perishability of produce. Therefore development of better infrastructure in the form of storage facilities and availability of marketing information are vital for commercialization of vegetables.