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Articles by M. Nuruzzaman
Total Records ( 8 ) for M. Nuruzzaman
  M.G. Ahmed , M.F. Alam , M. Nuruzzaman , A.M. Shohael , M. Nasiruddin and M.M. Hossain
  Nutrient film technique and sand culture were tested for the year round production of tomato in Bangladesh. Two cultivars of tomato viz., Egg tomato and Kingkong were tested for growth in both winter (November 2000-February 2001) and summer (May 2001-August 2001) seasons in NFT (Nutrients Film Technique) and sand culture. Sand culture was more simple to establish and manage incurved lowed cost compared to NFT system, however higher production was observed in NFT system. Egg tomato was found to be suitable for growth in summer, where as winter was suitable for Kingkong tested NFT and sand culture.
  M. Nasimul Gani , A.K.M. Maqsudul Alam , M.R. Islam , M.M. Rahman , M. Nuruzzaman and Shafi Iqbal
  A field study was carried out with three fibre crop varieties to estimate the bulk organic materials produced by each variety and soil nutrient status due to their incorporation into soil. Considerable amount of plant biomaterials were produced by all varieties viz., CVL-1(6.4t ha-1), O-9897(7.56t ha-1) and HC-95(9.02t ha-1). Plant biomaterials of each variety enriched the soil nutrient status over the initial value. Highest nutrient status (OC-1.7%, OM-2.95%, N-0.58%, P-23ppm, K-0.79meq/100) was found for variety HC-95. The highest percent increments of these nutrients over the initial nutrient of soil(INS) and not allowed to decompose the plant biomaterial in soil (NBM) [OC over INS (211%), NBM (159%); N over INS (190%), NBM (81%); K over INS (93%), NBM (72%)] were found with variety HC-95. The highest P(28%) was obtained with O-9897 where percent increment of P over INS and NBM was 115%. In production of biomaterials and enrichment of soil, Kenaf performed better than Jute varieties. The cultivation of jute and Kenaf may be an exceptional source of organic materials which may save the depleted soil of Bangladesh without using external organic matter.
  M. M. Rahman , M. Hussain , M. M. Hussain , Masroor Anwer , A. B. Siddique and M. Nuruzzaman
  An investigation was made at farmers level of Kishoregonj and Manikganj, the two important jute growing areas of Bangladesh in order to enumerate the water management status in jute production in terms of farmers actual practices and their feeling of need about the same. Results revealed that average 64% farmers at Kishoregonj and 69% at Manikganj felt the necessity of irrigation, whereas 13 and 40% farmers at Kishoregonj and Manikganj actually practiced the same respectively. Similarly, 79 and 70% of farmers at Kishoregonj and Manikganj respectively felt the necessity of draining out the excess water from their jute field but 70 and 52% farmers actually practiced the same respectively. The difference between farmers feeling and actual practice on irrigation was wide while the difference between farmers feeling and actual practice on draining out the excess water was narrow which clearly showed the importance of drainage over irrigation in jute production at farmers level. But the statistical significant difference between feeling need and actual practice for improved water management are yet to prevalent over what farmers got from their forefathers.
  A. K. M. Maqsudul Alam , M. Nasimul Gani , M. Rahman , M. R. Islam , M. Nuruzzaman and S. Khandker
  An experiment was conducted to study the estimate of total biomass (shedded leaves plus roots) during bast fibre crop (jute, kenaf and mesta) cultivation and the performance of biomass in soil fertility. The newly released four varieties of Bangladesh Jute Research Institute were used in the trial viz. Deshi jute BJC-83, Tossa jute OM-1, kenaf HC-95 and mesta HS-24. Each of the new variety produces good amount of biomass and enriches the soil fertility. The highest biomass produced with HC-95 (7.30 t ha-1) and lowest BJC-83 (5.23 t ha-1). Appreciable performance recorded with each of the variety in enriching the soil fertility on post harvest soil. Highest organic carbon (1.31%) nitrogen (0.13%) phosphorus (18 ppm) and potassium (0.183 meq/100) were found with the variety HC-95. The percent increment of organic carbon (OC), nitrogen (N), phosphorus (P) and potassium (K) by the HC-95 were 87.14, 150.00, 63.64 and 30.71 respectively over the initial soil nutrient content. According to the performance of the production of biomass and soil enrichment the varieties were in the order of HC-95> HS-24> OM-1> BJC-83.
  Md. Rafiqul Islam , Suraiya Akhter , M. Nuruzzaman and A. K. M. Shahadat Hossain
  The physical and mechanical parameters of some exotic tossa Jute (JRO 632, JRO-878, JRO-524) and recommended tossa Jute of Bangladesh Jute Research Institute (O-9897, OM-1, O-4) were studied. The variety O-9897 (Corchorus olitorius) produced the highest fiber yield (4.29) ton ha‾1. The same variety produced higher grade fibre (BTB+) with the lowest percentage of cutting (7.50%) significantly. The highest value of fibre strength was observed in the same variety (10.98 lbs mg‾1). Fibre strength varied from 6.65 to 13.38 lbs mg‾1. Some exotic variety showed poor germination, pre mature flowering and disease infestation
  Md. Rafiqul Islam , M. Mahbubul Islam , M. Nuruzzaman , Suraiya Akhtar , Abul Fazal Mollah , Ranjt Kumar Ghosh , A. K. M. Shahadat Hossain and Lutfar Rahman
  Studies on harvest index, genetic parameters, variability and correlation among different characters of 23 germplasms along with three control variety of Corchorus capsularis were conducted. The highest plant height (3:37m), base diameter (23: 33mm) and harvest index (32: 79) were found in the control variety VCL-1. Dry weight of leaf (12:45gm), dry weight of stick (64:13gm) and total dry matter were the highest in acc. no. 2271. Genetic variations were observed among the germplasms for plant height, base diameter, total dry matter and harvest index. Higher harvest index was found in the control variety CVL-1. No high yielding germplasm having higher harvest index could be identified from the germplasms studied. For all characters, phenotypic coefficient of variation was higher than genotypic coefficient of variation. Plant height, base diameter and dry weight of bark were positively correlated with harvest index.
  M. Khalekuzzaman , M.F. Alam and M. Nuruzzaman
  Averrhoa carambola Linn. was micropropagated from nodal explants through axillary branching on MS medium supplemented with benzyladenine (BA) and Kinetin, Maximum numbers of shoots per explant were obtained on MS medium supplemented with 1.0 mg L-1 each of BA and Kinetin. Subculturing of regenerated shoots in MS medium having low concentration of BA (0.1 mg L-1) stimulates shoot elongation. Regenerated shoots were rooted by treating them with auxins and best root induction (70%) was observed in half-strength MS medium supplemented with 0.5 mg L-1 indole-3-butyic acid (lBA). Rooted plantlets were successfully established in soil.
  M. Nuruzzaman , M. F. Alam , M. G. Ahmed , A.M. Shohael , M.K. Biswas , M.R. Amin and M.M. Hossain
  Genetic variability was studied for eight quantitative traits in fourteen parental lines of hybrid rice. The characters were plant height, flag leaf initiation day, first panicle initiation day, days to 100% flowering, days to maturity, grain yield/10 hills, spikelet fertility/10 panicles and no. of effective tillers/hill. Two additional characters (flag leaf length and spikelet length) were included in heterosis study. In general high component of variation and coefficient of variability were observed for most of the characters. The highest component of variation, coefficient of variability and heritability were noticed in grain yield/10 hills. Characters those with high genetic variability and genetic advance were considered to be important for selecting the desirable lines. Heterosis was studied in ten F1 lines for 10 characters. In general, the hybrids performed significantly better than the respective parents. Mid parent, standard variety and better parent heterosis were observed for all the characters under study. In comparison of F1 hybrids with their respective mid parent, standard variety and better parent showed significant heterosis for most of the studied characters. Among the 10 hybrids three lines viz., IR62829AxIR62036-222-3-3-1-2R, IR58025AxIR61614-38-19-3-2R and IR68888AxIR56381-139-2-2R exhibited the highest heterosis in grain yield/10 hills. In conclusion, there was an ample scope for developing suitable hybrid rice from the studied parental lines as the hybrids exhibited vigour and earliness.
 
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