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Articles by M.A. Hakim
Total Records ( 4 ) for M.A. Hakim
  M.A. Hakim , A.S. Juraimi , M. Begum , M. Hasanuzzaman , M.K. Uddin and M.M. Islam
  Problem Statement: Groundwater is an important source of freshwater for agricultural, drinking and domestic uses in many regions of the world including Bangladesh. Demand of groundwater has been increasing day by day for irrigation by bringing more area under cultivation. As a drinking water the bottled water market currently has an average annual growth rate of 7.4% between 2002 and 2007, which is parallel to the growth of this industry all over the world. Obviously, the feed water should be free of particles and colloidal material and as low as possible in soluble organic matter. Series of water quality problems have been identified and addressed since the 1950s. These include point and non-point source pollutants such as nutrients, hydrocarbons, pesticides and heavy metals. In this regard, some studies to assessment the quality of water had been conducted in world wide. Where as, a Chiribandar a selected southern part of Bangladesh has great importance in agriculture and industrial perspective, no study has been done yet to asses the ground water quality for agricultural, drinking and industrial uses. Approach: A research was conducted to assess the degree of ionic toxicity of groundwater sources as irrigation, drinking and industrial purposes. Twenty eight groundwater samples were analyzed for different elements of dominant cations and anions such as Ca, Mg, Na, K, Fe, HCO3 and other minor ions P, B, As, N03-N, S04-S and Cl. In addition, to classify water quality as excellent, good suitable, Sodium Adsorption Ratio (SAR), Soluble Sodium Percentage (SSP) and Residual Sodium Carbonate (RSC) were calculated following standard equations. The quality of water is generally judged by its total salts concentrations, relative proportion of cations or Sodium Absorption Ratio (SAR) and the contents of HCO3. Results: According to the concentration of cation and anion constitutes of groundwater, water quality of study area were suitable for irrigation, drinking and industrial purposes. Except for a few cases there was neither chloride toxicity nor sulphate acidity in the area. The content for NO3- and P was negligible and water samples were 'good' to 'excellent' with respect to boron and SSP. Range of EC (361-802 ┬ÁS cm-1) and that of SAR (0.23-0.54) indicated that all samples were in 'medium-salinity low-alkali' hazard class. In respect of TDS and RSC values, all samples were of fresh water and suitable class. Among SSP and SAR, TDS and EC were highly correlated. An Arsanic range was far below than recommended upper limit. Conclusion/Recommendations: In respect of all evaluating criteria, groundwater of all the 28 locations can be safely used for long-term irrigation and drinking purposes. All samples were found suitable for drinking and industrial purpose in consideration of Fe concentration. However, none of the water samples was suitable for industrial use, because of higher TDS and pH values exceeding recommendation.
  M.A. Hakim , A.S. Juraimi , M.R. Ismail , M.M. Hanafi and A. Selamat
  This study aimed to develop appropriate weed management technology on selected salt tolerant rice variety(s) as well as to develop package of production technologies for rice in saline environments of Malaysia. This study was conducted at 40 different rice fields in 10 blocks of Kedah coastal area of West Malaysia during June-July, 2009 to identify most common and prevalent weeds associated with rice. Fields survey were done according to the quantitative survey method by using 0.5x0.5 m size quadrate with 20 samples from each field. A total of 42 different weed species belonging to 17 families were identified of which 25 annual and 17 perennial; 9 grassy weeds, 11 sedges and 22 broadleaved weeds. Leptochloa chinensis, Echinochloa crusgalli, Fimbristylis miliacea, E. colona, Cyperus iria, Sphenoclea zeylanica, Cyperus deformis, Oryza sativa spontanea, Scirpus grossus and Jussia linifolia were most frequent species covering more than 50% fields. Based on relative abundance indices, annuals were more dominant than perennials. Leptochloa chinensis, Echinochloa crusgalli, Fimbristylis miliacea, E. colona were most dominant weed species in the coastal rice field of Kedah.
  B. Roy , M.R. Alam , Bikash C. Sarker , M.S. Rahman , M.J. Islam , M.A. Hakim and R.I. Mahmood
  An experiment was conducted on naturally occurring growth substances in aqueous extracts of some common weeds viz., Bathua (Chenopodium album), Bhijli ghas (Striga densiflora), Shetdrone (Leucus aspera), Mutha (Cyperus rotundus ), Chapra (Eleusine indica) and Khude Anguli (Digitaria ischaemum) with the attempt for chemical investigation on effective extracts. Boiled and unboiled extracts of all the weed species under test significantly reduced and delayed germination of wheat and jute seeds compared with control. The highest germination (96 and 85.3%) and maximum growth of wheat and jute were observed in seeds treated with control. The effect of boiled and unboiled extracts of Bathua (Chenopodium album) showed the lowest germination in seeds of wheat. The root and shoot length of wheat and jute were also decreased in presence of the weed extracts. The thin layer chromatography (TLC) examination of crude extract of Khude Anguli (Digitaria ischaemum) showed four separate compound at hex: ethyl acetate (20:1, v/v) and the crude extract of Bathua (Chenopodium album) showed three separate component at hex: ethyl acetate (10:1, v/v).
  A.B. M. Sharif Hossain , M.A. Hakim and Justus M. Onguso
  A field experiment was carried out to study the effect of manure and fertilizers on the growth and yield of potato in the village Narayanpur under Small Scale Water Resource Sector Development Project (SSWRDSP), Local Govt. Engineering Department, Khulna, Bangladesh. Potato was grown with different combination of manures and fertilizers or without combination. The highest plant height was 71.2 cm and lowest was 46.2 cm at 100 Days After Emergence (DAE) when potato was grown with cowdung + Mustard Oil Cake (MOC) +N+P2O5+K2O and without manure and fertilizers respectively. However, maximum number of shoot per plant, no. of tuber per hill, yield of tuber per hill, tuber size in diameter were 5.0, 9.0, 365 gm and 14.5 cm respectively when potato was grown with cowdung +MOC+N +P2O5 + K2O as compared to that of other combinations. In addition, the highest yield was 24.3 t ha 1 and percent infected plant by late blight disease was highest (20) when potato was grown with cowdung+MOC+N+P2O5+K2O and without manures and fertilizers respectively. Whereas, lowest tuber yield was 12.6 t ha 1 and lowest percent infected plant was 7 in case of without manure and fertilizers and with cowdung +MOC+N +P2O5+K2O, respectively.
 
 
 
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