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Articles by S.A. Begum
Total Records ( 2 ) for S.A. Begum
  Shamima Akhter , M.H. Mian , M.A. Kader and S.A. Begum
  A suitable combination of Azolla and urea-N was investigated for cultivation of rice (cv. BRRI Dhan 29). For this purpose an attempt was made to apply 30, 40, 50, 60 and 70% of the recommended doses of urea in 2 or 3 splits along with incorporation of one layer of Azolla grown from 0.2 kg m-2 inoculum. Two separate treatments of applying 100% of the recommended dose of urea in 3-splits (without Azolla) and no application of N at all from either urea or Azolla were included. Azolla covered the surface area in 13 days after inoculation at 7 DAT and reached the maximum growth in 19 days producing 14.0 to 18.3 t ha-1 fresh biomass containing 20.7 to 26.4 kg N ha-1. Incorporation of one layer of Azolla at 30 DAT plus application of 50, 60 and 70 kg N ha-1 in 3 splits constituted the application of 72.7, 81.6 and 91.1 kg N ha-1 that produced 5.58, 6.00 and 6.02 t ha-1 grain yields which were statistically similar to each other but the latter two were statistically superior to the grain yield of 5.40 t ha-1 produced by conventional recommended practice. Total uptake of N, P and S by the rice plants (grain+straw) were increased significantly due to incorporation of Azolla. Incorporation of one layer of Azolla plus application of 60% of urea-N appeared as the best combination in this study.
  M. Shalim Uddin , M.J. Rahman , M.A. Mannan , S.A. Begum , A.F.M.F. Rahman and M.R. Uddin
  Sixty-two useful plant species were identified during the study period. Among them 30.9% fruits, 29.09% timber, 34.54% vegetables and 5.45% were spices species. Number of vegetable species was found the highest (19 spp.) followed by fruit (17 spp.), timber (16 spp.) and spices (3 spp.). Only 17 fruit, 13 timber, 17 vegetable and 2 spices species were found in all region. Coconut, country bean, Karai and chilli were found the most prevalent. Inter species diversity was highest (0.879) in the vegetable species. Coconut was found 98.63% in homestead followed by mango (96.72%), banana (91.6%) and betel nut (93.44%).
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