The experiment was conducted at the Abubakar Tafawa Balewa University teaching and research farm Bauchi, Bauchi State in 2012 and 2013 rainy seasons. The treatments consisted of nitrogen fertilizer rate of 0, 20, 40, 60 and 80kg N/ha and three different varieties of sesame (NCIR BEN 01M, NCIR BEN 02M and Ex-Sudan). The experiments were factorially combined and laid out in a Randomized Complete Block Design, replicated three times in both seasons. The results of the experiments showed that, nitrogen fertilizer had significant (P<0.05) effect on the growth and yield of sesame plant. The application of nitrogen fertilizer at 60 kg N/ha significantly (P<0.05) increased plant height, leaf area, number of branches, number of capsules per plant and yield/hectare of sesame plant in both 2012 and 2013 rainy seasons. It was also observed that, Ex-Sudan variety significantly (P<0.05) had higher plant height, leaf area, number of branches, number of capsules per plant and yield/hectare than the other two varieties. Based on the results obtained, it can be concluded that, the application of 60 kg N/ha to sesame varieties especially Ex-Sudan can be adopted by farmers in the study area for maximum yield.
Field experiment was conducted at the Abubakar Tafawa Balewa University Teaching and Research farm, Bauchi in 2018, 2019 and 2020 rainy seasons to study effect of nitrogen fertilizer and sowing method on growth and yield of sesame (Sesamum indicum L.) varieties. The treatments consisted of four levels of nitrogen fertilizer rates (0, 30, 60 and 90 kg N/ha), three sowing methods (dibbling, drilling and broadcasting) and two varieties of sesame (Ex-Sudan 1 and NCRI BEN 01M). The experiment was factorially combined and laid out in a Randomized Complete Block Design, replicated three times. The result of the experiment revealed that, nitrogen fertilizer had significant (P≤0.05) effect on yield characters of sesame. Application of nitrogen fertilizer at 60kg/ha significantly (P≤0.05) increased number of flowers, total ash, crude fibre, crude protein, ether extract, number of capsules per plant, number of seeds per capsule and yield/hectare in the 3-year study. It was also observed that, sowing method had significant (P≤0.05) influence on the performance of the crop. Dibbling method of sowing significantly (P≤0.05) produced higher number of flowers, number of capsules per plant, number of seeds per capsule and yield/hectare than the other two sowing methods. Studies carried out during the 3 years investigation revealed that 2020 rainy season produced significantly (P≤0.05) higher numbers of flowers, capsules per plant, seeds per capsule and grain yield/hectare than 2018 and 2019 seasons. Based on the results obtained, it can be concluded that the application of 60kg N/ha and dibbling method of planting can be adopted by farmers in the study area for optimum yield.
Field experiment was conducted at the Abubakar Tafawa Balewa University Teaching and Research farm, Bauchi in 2018, 2019 and 2020 rainy seasons to study Effect of Nitrogen Fertilizer and Sowing Methods on performance of Sesame (Sesamum indicum L.) Varieties. The treatments consisted of four levels of nitrogen fertilizer rates (0, 30, 60 and 90kg N/ha), three sowing methods (dibbling, drilling and broadcasting) and two varieties of sesame (Ex – Sudan 1 and NCRI BEN 01M). The experiment was factorially combined and laid out in to a Randomized Complete Block Design and replicated three times. The result of the experiment revealed that, nitrogen fertilizer had significant (P≤0.05) effect on growth characters of sesame plant. The application of nitrogen fertilizer at 60kg/ha significantly (P≤0.05) increased plant height, number of leaves, leaf area, stem girth, number of branches, leaf area index, leaf area ratio, crop growth rate, relative growth rate and net assimilation rate in the 3 years of study. It was also observed that sowing method had significant (P≤0.05) influence on the performance of the crop. Dibbling method of sowing significantly (P≤0.05) produced higher plant height, number of leaves, leaf area, leaf area index, stem girth, number of branches than the other two sowing methods. Studies carried out during the 3-year indicated that 2020 rainy season produced significantly (P ≤ 0.05) higher plant height, number of leaves, leaf area, leaf area index, stem girth, number of branches than 2018 and 2019 seasons. Based on the results obtained, it can be concluded that the application of 60kg N/ha and dibbling method of sowing can be adopted by farmers in the study area for optimum production.
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