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Articles by M. H. Mian
Total Records ( 2 ) for M. H. Mian
  M. B. Hossain , M. H. Mian , M. A. Hashem , M. Z. Islam and A. T. M. Shamsuddoha
  An experiment was conducted in silt loam soil (pH 6.52) to compare the effect of the recommended dose of N (80 kg N ha-1) with that of incorporated two layers of Azolla plus 40 kg N ha-1 or Azolla left floating (no incorporation) plus 40 kg N ha-1 on the yield and NPS uptake by BR 26 rice. The highest grain yield of 3.95 t ha-1 with the highest total (grain + straw) uptake of 75.4 kg N ha-1, 32.7 kg P ha-1 and 8.5 kg S ha-1 were recorded for incorporations of two layers of Azolla (grown from 0.2 kg m-2 inoculum) at 25 and 40 DAT plus application of 40 kg N ha-1 at 15 and 60 DAT- all of which remained statistically at par with their counterparts of another similar treatment but using 0.1 kg m-2 inoculum instead. All these data differed significantly with those that were recorded against the recommended dose of N as urea. Azolla left growing after inoculation was found significantly beneficial for rice growth. Azolla contributed to the increased uptake of N, P and S. Incorporation of two layers of Azolla biomass showed slight increases in soil organic matter status (from 1.85% initial to 1.88% after crop harvest).
  M. A. Kader , M. H. Mian and M. S. Hoque
  A pot experiment was conducted to evaluating the effects of Azotobacter inoculant on the yield of wheat (cv. Kanchan). The treatments were T0 (control), T1, T2, T3, T4 and T5. Except 1000 grain weight, all the yield components of wheat viz. plant height, filled spikelets spike‾1, spike length and the number of grain spike‾1 were influenced significantly by the treatments. The highest grain yield of 780 mg plant‾1 i.e. 84% increase over the control (425 mg plant‾1) was obtained due to the treatment of T5 which did not differ significantly from the yield obtained (687 mg plant‾1, 732 mg plant‾1 and 715 mg plant‾1) with the application of T1, T3 and T4, respectively. There was 18% increase in grain yields due to using Azotobacter inoculant only over the control, which was not statistically significant. The straw yields showed a similar pattern. Azotobacter inoculation also influenced the root growth significantly. Total N uptake in grain, straw and root increased significantly due to different treatments. The highest N uptake (23.17 mg plant‾1) was recorded with the treatment T5 and the lowest with the T0 (control), (11.03 mg plant‾1). The total N uptake was increased by 89, 36, 101, 88 and 109% over the control due to T1, T2, T3, T4 and T5, respectively. Azotobacter either alone or in combination with urea N had some beneficial effects on the yield of wheat, which amounted to saving about 20% of urea N.
 
 
 
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