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Articles by M. A. Haque
Total Records ( 3 ) for M. A. Haque
  M. J. Alam , M. A. R. Howlider , M. A. H. Pramanik and M. A. Haque
  A total of 144 day-old straight run Arbor Acres broiler chicks were fed on 4 iso-nitrogenous and iso-energetic diets; starter control contained 22.1% CP and 2924 Kcal/kg ME and finisher control had 19.25% CP and 3005 Kcal/kg ME. In three test diets exogenous Alquerzim (1g/kg), Roxazyme-G (0.01g/kg) and Feedzyme (0.05g/kg) were supplemented to control diet to observe whether addition exogenous enzyme improves efficiency of broiler production. The growth rate, feed intake, feed conversion, dressing yield and profitability were increased by addition of exogenous enzymes. The addition of enzyme is effective to overcome antinutritive effect of NSP on broiler performances. Enzyme had no effect on survivability. Roxazyme-G and Feedzyme are more profitable than Alquerzim. Therefore, it may be concluded that exogenous enzyme may be used in broiler diet by proper selection of enzyme to get best result.
  M. A. Haque , U.K. Nath , Q.N. Ahmad and S. Alam
  Vigorously growing root tips, basal discs and leaf discs of three garlic strains (G-101, G- 102, G-103) were used as explants. The explants were collected from cloves germinated in a basal medium. Different combinations and concentrations of growth regulators like 2, 4-D and BAP were used in MS medium to observe the callus induction, proliferation, organogenesis and to produce regenerate plantlets under in vitro condition. The highest callusing was recorded at the highest concentration of 2, 4-D (2.0 mg l-1) + BAP (1.0 mg l-1) in MS medium for G-103 (80%). The other two strains (G-101, G-102) showed 70 and 75% callusing ability respectively. Highest performance in the proliferation of calli were found at MS+2,4-D (2.0 mg l-1) +BAP (0.5 mg l-1) in G-103 (90%). Maximum number of regenerated plantlets were obtained at MS + NAA (2.0 mg l-1) + BAP (1.0 mg l-1) in all the strains (35%). Plantlets thus, obtained were successfully transferred to the potted soil and subsequently to the field. The survival rate was 40-60% in all the cases.
  M. A. Haque , M. I. Ali and M. K. Khan
  The study was conducted to find the impact of incorporation of green prunings from Samanea saman and Dalbergia sissoo in alley cropping system on soil fertility and subsequently yields of rice and wheat. Three treatments used were, 100 kg N ha -1 from 15N ammonium sulphate, 80 kg N ha -1 provided through prunings either from D. sissoo or S. saman plus 20 kg N ha -1 from 15N ammonium sulphate. Grain and straw yields of rice were increased by 23.8 and 32.1%. %15N atom excess (a. e.) and percent nitrogen derived from fertilizer were higher in treatment receiving 100% chemical fertilizer compared to those with tree prunings. Nitrogen contribution of tree prunings to rice yield was 51.3% in D. sissoo and 54.1% in S. saman. The positive effect of pruning was observed in P and K uptake by rice grain and straw. Residual effect of added prunings in succeeding wheat crop was also noticed for both in D. sissoo prunings (11.7%) and S. saman prunings (11.3%). In wheat crop , %15N (a. e.) and %Ndff were higher in 100% chemical fertilizer treatment compared to the residues of those with tree prunings. Nitrogen availability from the residues of tree prunings for wheat crop was 17.72 to 22.54%. P and K uptake in wheat were also more in previously tree pruning treated plots, as compared to the untreated ones. Improvement of soil fertility were observed due to application of tree prunings. Total N, available P, K and organic C were increased, resulting in good soil health, due to prunings.
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