Abstract
The present study was conducted to clarify the fertilizer requirement on the growth and yield of the variety Bangladesh Jute Research Institute Kenaf-4. Consequently the experiment was conducted in Jute Agriculture Experimental Station, Manikganj and Jute Research Regional Station, Kishoreganj of Bangladesh Jute Research Institute. The results indicated significant effect of different NPKS levels on Bangladesh Jute Research Institute (BJRI) Kenaf-4 yield and yield contributing characters over control. The highest fibre (3.14t/ha) and stick (7.65t/ha) yield were obtained by the combination dose of N<sub>100</sub> Kg/ha with PKS 10-60-20 kg/ha at Kishoreganj. The plant height (3.14m), base diameter (19.47mm) also found highest with the same fertilizer treatment combination. By the same treatment produced higher fibre yield and yield contributing characters at Manikganj though that yield was slightly lower than Kishoreganj. Economic analysis suggested the best combination is N<sub>100</sub>P<sub>10</sub>K<sub>60</sub>S<sub>20</sub> kg/ha. The findings of the present experiment clearly indicated a great prospect of nutrient combination of N<sub>100</sub>P<sub>10</sub>K<sub>60</sub>S<sub>20</sub> kg/ha on the growth and yield of fibre production on the variety BJRI kenaf-4.
Highlights
Bangladesh Jute Research Institute is the major organization of Jute and allied fibre crops research and Kenaf (Hibiscus cannabinus L.) is a promising fibre crop in Bangladesh [1, 2]
Results revealed that combined fertilizer doses focused the significant positive effect on the yield contributing parameters like plant height, base diameter, (Table 2 & 3)
The yield and yield components i.e. plant height, base diameter, yield of fibre and stick were significantly increased over control by different rates of nitrogen
Summary
Bangladesh Jute Research Institute is the major organization of Jute and allied fibre crops research and Kenaf (Hibiscus cannabinus L.) is a promising fibre crop in Bangladesh [1, 2]. It can be grown as an alternative crop of cotton that may be economically feasible to produce in Bangladesh [3]. Taking into account all these essentials, upgrading of fiber yield and quality of Kenaf is the prime need of Bangladesh. In this aspect, research regarding development of new high yielding variety of Kenaf and determination of its fertilizer requirement is very important. The present study has been undertaken to observe the effects of N, P, K and S fertilizers on the growth and yield of the pre-released Kenaf variety, BJRI Kenaf-4 and to find out the finest requirement of nutrients combination to obtain highest fibre production
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