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Articles by M.K. Uddin
Total Records ( 5 ) for M.K. Uddin
  M.A. Islam , M.S. Islam , M.A. Mazed and M.K. Uddin
  This experiment was conducted at Buffalo Breeding And Development Farm, Bagerhat to investigate conception rate, service per conception, gestation period, age at first calving, birth weight, postpartum heat period and calving interval of Nili-Ravi and crossbred buffaloes. It was revealed that average conception rate, service per conception, gestation period, age at first calving, birth weight, calving interval and postpartum heat period were 95.24 %, 88.46%; 1.05, 1.13; 301.486?6.72, 303.200?7.07 days; 61.857?3.44, 63.048?3.89 months; 33.266?3.49, 30.508?3.43 kg; 572.633?116.54, 581.481?94.15 days and 167.800?27.92, 174.500?41.04 days; respectively. It may be concluded that Nili-Ravi buffaloes were better than crossbred buffaloes.
  M.A. Islam , M. A. Mazed , M. S. Islam and M.K. Uddin
  This experiment was conducted at Buffalo Breeding and Development Farm, `Bagerhat` a southern district of Bangladesh to investigate the milk (lactation) yield, lactation length and calf mortality rate of Nili-Ravi and crossbred buffaloes. From this study it was revealed that the average milk yield per lactation of Nili-Ravi and crossbred buffalo cows were 1161.805?684.07 and 696.636?258.68 liters respectively, while their average milk production per day were 3.5 and 2.24 liters. On the other hand average lactation length for same genotypes were 330.426?70.08 and 311.556?74.14 days respectively. The overall calf mortality rate was 24.28% and the average calf mortality rate for Nili-Ravi and crossbred buffalo were 37.1 and 14.1 percent respectively. Statistical analysis showed that there were significant variation (p<0.01) existed between Nili-Ravi and crossbred buffalo calves in respect of calf mortality. From the study it may be concluded that Nili-Ravi buffaloes are better than crossbred buffaloes considering specially on milk production mentioned in the Buffalo Breeding and Development Farm, Bagerhat, Bangladesh.
  S.M.K. Alam , M.A. Matin , M.A. Hossain and M.K. Uddin
  A field experiment was carried out to study the effect of different tillage practices on some soil physical and chemical properties. The soil was calcareous grey belonging to Sonatala series of Old Brahmaputra flood plain soil. The treatments comprised of To, T1(CP2), T2(CP3), T3(CP4), T4(PT2), T5(PT3) and T6(PT4). The bulk density (1.20 g cm -3) was h igher in To(no tillage) treatment than that of any other treatment. The lowest bulk density (0.86 g cm -3) was found at T6 (PT4) treatment. Bulk density significantly varied within the depths. The highest bulk density was recorded in 20-30 cm soil depths and the lowest was 0-10 cm soil depth. Air filled porosity and soil moisture content increased remarkably by T6(PT4) treatment compared to control. The highest organic matter was 1.60% and the lowest was 0.78% under To(control) and T6(PT4) treatment respectively. The NH4-N, available S, exchangeable K significantly influenced due to tillage operation whereas NO3-N, available P and exchangeable Ca did not respond significantly. Available N, P, S, exchangeable K and Ca decreased with the increasing of depth.
  U.A. Naher , M.A. Hashem , B.K. Mitra , M.K. Uddin and M.A. Saleque
  A pot study was conducted at greenhouse to measure the P and K mineralization rate from fulvic acid with fresh poultry manure, partially decomposed cowdung, rice straw and lime under covered and uncovered condition. The decomposition period was 90 days. Initially the cowdung contain 127 ppm of fulvic acid P and 2.23 meq /100 g of fulvic acid K whereas the poultry manure contain 378 ppm of fulvic acid P and 13.4 meq /100 g of fulvic acid K. The P and K immobilization takes place after 15 days of decomposition and with the passing of time it increased gradually. The lime addition increased P concentration in cowdung treatments and the highest of 1505 ppm of fulvic acid P was recorded at 75 days of decomposition in the covered cowdung + lime treatment. The addition of rice straw increased K concentration in both cowdung and poultry manure treatments but it decreased the mineralization rate. The highest of 67 meq /100 g of fulvic acid K was mineralized at 75 days of decomposition in the uncovered poultry manure + rice straw treatment. The fulvic acid P mineralization was higher in the covered cowdung and poultry manure treatments. The fulvic acid K mineralization was also high in the covered cowdung treatments but in the poultry manure treatments it was higher in the uncovered treatments.
  U.A. Naher , M.A. Hashem , M.K. Uddin , M. Ahmed and M.A. Saleque
  A study was undertaken to determine the oxidizable organic carbon mineralization rate of cowdung (CD) and poultry manure (PM) alone and with combination of rice straw (RS) and lime under covered condition. The oxidizable organic carbon mineralization rate followed the first order kinetics and was best in logarithmic model of (Co-Ct) vs. t. The carbon mineralization rate was higher in the PM than CD. The application of rice straw reduced mean mineralization rate of both CD and PM and it increased by liming. The cumulative carbon dioxide evolution flux was higher in CD (854 mg kg-1) followed by CD + RS (828 mg kg-1) and CD + lime 1 1 treatments (780 mg kg-1). The carbon dioxide evolution rate was high up to 20 days in the CD and CD + lime 1 treatments and in the PM it was high up to 30 days. The cumulative carbon dioxide evolution rate was higher in CD treatments than PM treatments. The mineralization rate became steady after 45 days in CD and 60 days in PM treatment so within this period it is mature enough for field application. The addition of lime increased half-life of cowdung and poultry manure. The lowest half- life (19 days) obtained from PM + lime treatment.
 
 
 
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