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Journal of Biological Sciences
Year: 2003  |  Volume: 3  |  Issue: 7  |  Page No.: 643 - 654

Effects of Sulphur and Nitrogen on the Yield and Seed Quality of Maize (cv. Barnali)

Muhammad Morshed Alam, Md. Nazrul Islam, Shah Md. Munirur Rahman, Md. Halaluddin and Md. Moynul Hoque    

Abstract: The experiment was conducted at the Agronomy Field Laboratory of Bangladesh Agricultural University, Mymensingh, during the period from November 2000 to May 2001 to find the effect of sulphur and nitrogen on the yield and seed quality of maize (cv. Barnali). The study included three levels of Sulphur, viz., 0, 10 and 20 kg ha-1 and four levels of Nitrogen, viz., 0, 60, 100 and 120 kg ha-1. Gypsum and urea were used as the sources of Sulphur and Nitrogen, respectively. The highest grain yield and 1000-grain weight were obtained with 20 kg S ha-1. The maximum no of grains/cob, the highest shelling percentage, the highest 1000-gain weight, Maximum grain yield and maximum stover yield were produced by the application of 120 N ha-1. Grain yield increased with the increasing rates of both Sulphur and Nitrogen but their interaction effects were not significant for all the quantitative characters under study. Seed quality attributes like germination percentage, vigour index, seedling shoot and root length and shoot and root dry weights were not influenced by Sulphur application. Nitrogen application had significant effect on vigour index, seedling shoot and root dry weights. The interaction between Sulphur and Nitrogen levels showed significant effect on seedling shoot and root dry weights. Maximum vigour index and root dry weights/ seedling of maize were found with 120 kg but the highest shoot dry weight/seedling was obtained with 100 kg N ha-1. Maximum shoot and root dry weights/seedling was obtained by applying 120 kg N ha-1 in combination with 20 kg S ha-1.

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