Abstract
A field experiment was carried out at the Soil Science research field of Sher-e-Bangla Agricultural University (SAU), Dhaka-1207, Bangladesh to study the nutrient uptake of sesame plant and available nutrient condition of soil after harvesting of sesame. Sesame variety BARI Til-3 was used as test crop. The experiment consisted of two factors. Factor A: Nitrogen levels (N0-3): N0: 0 kg N/ha (control), N1: 50 kg N/ha, N2: 60 kg N/ha, N3: 70 kg N/ha; Factor B: Boron levels (B0-2): B0: 0 kg B/ha (control), B1: 2 kg B/ha, B2: 3 kg B/ha. The experiment was carried out in two factors Randomized Complete Block Design (RCBD) with three replications. From the study, it was found that nutrient uptake of sesame plant and the nutrient concentration in post-harvested soil such as total N, available P, exchangeable K, available S and available B was increased with the increasing of nitrogen up to a certain level and boron supply. For the combined application of nitrogen and boron (60 kg N/ha and 3.0 kg B/ha) was found suitable to uptake maximum N, P, K, S and B by the sesame plant and to available the highest nutrient concentration in post-harvested soil.
 Res. Agric., Livest. Fish.6(2): 203-213, August 2019
Highlights
Sesame (Sesamum indicum L.) belongs to the family Pedaliaceae is one of the vital oil crops, which is widely grown in different parts of the world
The objectives of this study were to find out the nutrient concentration in seeds and stover of sesame, and nutrient status of harvested soil due to the application of nitrogen and boron
N, P, K, S and B concentration in seeds Statistically, significant variation was recorded for N, P, K, S and B concentration in seeds due to different levels of nitrogen
Summary
Sesame (Sesamum indicum L.) belongs to the family Pedaliaceae is one of the vital oil crops, which is widely grown in different parts of the world. It is grown for seed and oil for thousands of years and today its major production areas are the tropics and the subtropics of Asia, Africa, East and Central America. In 2015-2016 the crop covered an area of 99,592 acres in Bangladesh with the production of 36,921 metric tons (BBS, 2017). Yield and quality of sesame seeds are very low in Bangladesh. To attain suitable production and quality yield for any crop it is necessary to apply proper management with ensuring the availability of an essential nutrient in proper doses. Excessive nitrogen application causes physiological disorder (Obreza and Vavrina, 1993)
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