RESPONSE OF NITROGEN AND SULPHUR ON TUE YIELD OF RAPESEED (Brassica campestris) LINE SAU-C-F7

Abstract

An experiment was conducted at Sher-e-Bangla Agi icultural University Farm during the Rabi season 2004-2005 (October to February) to examine the response of nitrogen and sulphur on the growth, yield attributes and yield of newly developed rapeseed (Brass/ca campesins) line SAU-C-F,. The experiment was laid out in split plot design with 3 replications. There were four different levels of nitrogen viz. 0, 40, 80 and 120 kg/ha and four levels of sulphur viz. 0, 30, 60 and 90 kg/ha. Nitrogen and sulphur significantly influenced the growth, yield and yield attributers of rapeseed. Plant height, dry matter, crop growth rate, branches per plant, length of main inflorescence, number of siliquae in the main inflorescence, siliquae per plant, seed yield, stover yield, harvest index and oil yield were significantly influenced by both nitrogen and sulphur. Oil content was only influenced by S application. The results revealed that nitrogen at the rate of 120 kg/ha showed the best performance in all respect. The highest seed yield (2.37 tIha) was obtained with 120 kg N/ha while control treatment gave the lowest yield (0.66 t/ha). It was also observed that sulphur application at the rate of 30 kg/ha gave the best results while control treatments showed the lowest results. Application of sulphur at the rate of 30 kg/ha produced the maximum seed yield 0.66 tlha). The interaction effect of nitrogen and sulphur revealed that 120 kg N in combination with 30 kg S/ha showed the best performance in most of the cases whereas, the combination affect of control treatments showed the worst performance.