The experiment was conducted at the RARS, Jamalpur during rabi 2019-2020 to find out the suitable planting time and increase production and economic return. Tomato variety viz. V1 = BARI Tomato-14, V2 = Udyan were considered as factor A and five sowing dates viz. S1 = 25 August, S2 = 15 September, S3 = 05 October, S4 = 25 October, S5 = 15 November considered as factor B. The experiment was laid out in RCBD (Factorial) with three replications. The yield of tomato was significantly affected by different sowing dates and tomato verities. Udyan and BARI Tomato-14 with 25 October combination and 05 October combination were suitable combinations for maximum yield of tomato. These combinations may be profitable in case of early growing, proper market price, seeds were available for planting, less infestation of virus and bacterial wilt.

The experiment was conducted at the charland area of Jamalpur during rabi 2018 to know the yield performance and popularize proso millet in charland areas. Treatments included in the experiment were: BARI Cheena-1, Local- 1 and Local-2. Yield level of different proso millet varieties/cultivar were similar except BARI Cheena-1. All the proso millet varieties/cultivar might be cultivate in char land because of low price, availability of its seeds, less risk and water requirement, easily grown without modern technology.

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The experiment was conducted at the charland area of Jamalpur during rabi 2019 to know the suitable foxtail millet line/verity for water stress and increase production area of char land. Treatments included in the experiment were: ten different lines and one variety (BARI Kaon-1). T1 = RC-170, T2 = BD-869, T3= BD-954, T4= BD-972, T5= BD-998, T6= BD-1062, T7= BD-1075, T8= BD-1083, T9= BD-1086, T10= BD-1108 and T11= BARI Kaon-1. Considering some plant physiological and yield contributing characters such as effective tiller per hill, panicle length, days to harvest, root length, 1000 seed weight and yield all the foxtail millet lines/ varieties may be grown in rainfed condition especially in char land area.

Brinjal and tomato, both of these Solanaceous crops, suffer from different diseases based on their surrounding environment. In charland ecosystem, due to the current trend of climate change these two crops have become vulnerable to disease infection. A comprehensive survey was conducted in Jamalpur and Sherpur districts to measure the severity of major diseases of brinjal and tomato in this region during the rabi season of 2018-19. This survey was based on farmers’ fields targeting 10 different locations where brinjal and tomato were grown extensively. Data were collected from randomly selected farmer’s vegetable fields where incidence and severity were recorded. Through the survey, five (5) diseases based on their incidence and severity were categorized as major diseases in studied areas. Bacterial wilt of brinjal (60%) and viral disease of tomato (41.67%) were found to be higher in incidence. This was a major limiting factor for decreasing total brinjal and tomato production in the charland of Jamalpur and Sherpur. Wilting of tomato (20%), viral disease of brinjal (20%) and phomopsis blight of brinjal (13.33%) were medium in incidence at different locations. Farmers of these areas found these diseases to be a serious threat to future cultivation and expansion of brinjal and tomato in charland.