Agriculture is the oldest profession in the world. Since the historic human civilization periods, it has gradually developed. Technologies have enriched this occupation with the pace of time. Modern agriculture nowadays is so much dependent on ICT. A thorough review of secondary data sources; i.e. overlook of literatures from web, online published articles, reports, news etc. on some selective districts of Bangladesh was made to study the current features of ICT, its exercise and future prospects in the context of agriculture information and communication. Findings revealed that the majority of the farming group and thereby involved extension workers (SAAO) have limited access, usage, knowledge and capacity on the use of ICT tools and media. Farmers mostly use AICCs (Agriculture Information and Communication Centre), non-smart cell phones, TV and radio for agricultural communication. Conversely, SAAOs (Sub Assistant Agriculture Officer) used mobile phones, demonstrations and consulted AEO (Agriculture Extension Officer) for information and communications. Their utilization level of ICT based service was found much lower. Solutions to address these problems were found to be IT-based trainings, easy access and availability of ICT tools and services at a convenient price. Being an agrarian country; there’s a huge opportunity for improvement of ICTs in the agricultural sectors. These include, dedicated bandwidth of internet, electricity, reducing internet data charges, establishment of a data center, agriculture database, encyclopedia, GIS, RS, GPS, radio-based technologies, online-based agricultural (seed, fertilizer, pesticide, irrigation, marketing linkage etc.) management systems, IoT, drone, artificial intelligence, robotics, nanotechnology, machine learning, big data analytics etc. Incorporation of these high techs are now a burning issue for the future development of agriculture and sustain production in a rapid changing world.
Rice is the most important human food crop in the world. In Bangladesh rice is cultivated throughout the year as Aus, Aman and Boro. Among them boro rice is generally cultivated in November to March. More than half of the total production (55.5%) is obtained in this season. Generally, farmers use more than the recommended number of seedlings during transplanting. The number of seedlings plays a vital role in the growth, development and yield of rice. The aim of this experiment was to determine the number of seedling(s) during transplanting for boro rice varieties for higher growth and yield. This investigation was carried out at the research field of BINA sub-station under Khagrachari sadar upazila in Bangladesh during December 2017 to May 2018. The experiment tested three seedling numbers; S1 (Single), S2 (double), S3 (triple) and four varieties V1 (BRRI dhan-28), V2 (Binadhan-14), V3 (Heera-1), V4 (Shakti-2) in a factorial RCB design with three replications. Results revealed that significantly highest plant height was obtained with treatment S1´V3 (110.30 cm) and S3´V4 (109.4 cm) while the maximum number of tillers/hill from S3´V1 (16.93) and S2´V1 (16.07). In terms of production, treatment combination S3´V4 gave the highest grain (10.40 t/ha), straw (10.40 t/ha) and biological yield (10.40 t/ha). Harvest index was the highest in treatment S1´V4 (59.48). From the above findings it was observed that single seedling performed better than two and three seedlings per hill in terms of getting optimum yield of boro rice varieties. Hence, the rice growing farmers should avoid the use of extra seedlings during transplanting to save labor, time and money.
The experiment examined the efficacy of various post harvest treatments namely control, hot water treatment, thin plastic film, chlorinated water, neem extract and garlic extract on shelf life and quality of mango. Parameters studied were colour, firmness, disease severity, disease incidence, total soluble solids, total weight loss, moisture content, dry matter and shelf life of mango. The longest shelf life of 15.41 days was found in mango fruits wrapped with thin plastic film.
Zero or no tillage (ZT) mustard (Brassica campestris L.) cultivation is being increased and popularized these days in Bangladesh. But micronutrient management specially Zinc (Zn) with recommended dose of NPKSB fertilizers are poorly practiced in this type of cultivation. Micro nutrient deficiency is an emerging problem due continuous usage of soil resources (ground water, intensive cultivation etc.). Thus, to sustain and adopt the potential yield of modern mustard varieties all types fertilization is must. Basing on this problem an investigation was employed at Bangladesh Institute of Nuclear Agriculture (BINA) Sub-station, farm, Ishurdi, Pabna to find out definite dose of zinc application under zero tillage mustard cultivation for maximizing seed yield. The study was laid in a factorial Randomized Complete Block Design (RCBD) with three replicates. Two modern varieties viz. Binasarisha-10 (V1) and BARI Sarisha-14 (V2) were tested with six level of Zn doses viz. 0.0 kg ha-1 (T1), 1.5 kg ha-1 (T2), 3.0 kg ha-1 (T3), 4.5 kg ha-1 (T4), 6.0 kg ha-1 (T5) and 7.5 kg ha-1 (T6). Seed were line broadcasted after harvesting T. aman rice during Rabi 2020 season. Data on yield parameters were collected after final harvesting and analyzed by Statistix 10. Results divulge that maximum straw and seed yield was attained with treatment combinations V1T4 (3.63 t ha-1) and V2T4 (2.24 t ha-1) with V2T3 (2.18 t ha-1). Whereas, the minimum was obtained from V2T5 (2.51 t ha-1) and V1T1 (0.99 t ha-1) along with V2T1 (1.01 t ha-1). Hence, soil application of Zn between 3 kg ha-1 to 4.5 kg ha-1 may give satisfactory yield for ZT farming.
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