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Journal of Agronomy
Year: 2007  |  Volume: 6  |  Issue: 1  |  Page No.: 21 - 24

Response of Wheat Varieties to Boron Application in Calcareous Brown Floodplain Soil at Southern Region of Bangladesh

N.K. Halder, M. A. Hossain, M.A. Siddiky, N. Nasreen and M.H. Ullah    

Abstract: A field trial was conducted at Calcareous Brown Floodplain Soils of Jessore Regional Agriculture Research Station during the rabi seasons of 2000-2001 and 2001-2002. The objectives were to evaluate the response of wheat varieties to different levels of Boron and to find out the optimum dose of B for maximizing yield of wheat viz protiva, Gourab and Sourav and four levels each of B (0, 1.0, 2.0 and 2.5 kg ha-1) along with a blanket dose of N120P45K80S20Zn2 kg ha-1 and cowdung 5 t ha-1 taken in the study. Results showed that variety protiva along with 2 kg B ha-1 produced significantly highest yield in both the years of study. The said treatment gave the highest mean seed yield (5.3 t ha-1) by 66% increase over the boron control (B0). In case of single effect, all the varieties tested did not contribute significantly to the yield variation. Through the variety protiva was found to be superior as compared to other two varieties. On the other hand, boron either in combination or single greatly contributed to the yield. However, the highest mean yield (4.8 t ha-1) was recorded in 2 kg B ha-1 which was significantly 45% higher over boron control. In regression analysis, a linear but quadratic relationship was also observed between grain yield and level of B. It indicated beyond that dose, the seed yield might be declined with every successive dose of B.

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