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Articles by M. M. Alam
Total Records ( 3 ) for M. M. Alam
  M. I. U. Mollah , Nur-e-Elahi , A. Khatun and M. M. Alam
  Row and mixed intercropping at 6:1 and 10:1 ratios along with the line sowing and broadcasting sole pigeonpea and rice-blackgram crop sequence were tested to evaluate the agro-economic productivity and advantages of intercropping over sole cropping. Grain yields of rice, blackgram and pigeonpea were affected by intercropping. Row intercropping of pigeonpea at 6:1 and 10:1 row ratio and mixed intercropping at 10:1 ratio gave significantly higher rice equivalent yield than sole pigeonpea and rice-blackgram crop sequence. High gross return, gross margin and benefit-cost ratio found the intercropping as a more profitable system. High land equivalent ratio and low competitive ratio by intercropping indicated its advantages over sole cropping.
  S.M. Bokhtiar , M.L. Kabir , M.J. Alam , M. M. Alam and M.H. Rahman
  The site-specific nutrient requirement of sugarcane (Saccharum officinarum) and companion crops, viz. onion (Allium cipa) and lentil (Lens culinaris) in sugarcane based cropping systems field experiments was determined under two Agro-ecological zones (AEZ), namely High Barind Tract (AEZ 26) and Tista Meander Floodplain soils (AEZ 3). The application of fertilizers for sugarcane and intercrops, onion and lentil as per soil test basis followed by dhaincha (Sesbania aculeata) significantly increased cane yield to the extent of 19 % at AEZ 26 and 45 % at AEZ 3 over the sole cane crop. Maximum cane yield (119 t ha–1) with highest BCR of Tk.4.37 was found in High Barind Tract with the application of N190 + P44 + K65 + S25 + Zn3.5 kg ha–1 to sugarcane and N55 + P18 + K25 + S6 kg ha–1 to potato. In Tista Meander Floodplain soils, application of N120 + P40 + K75 + S20 + Zn2 + Mg15 kg ha–1 and N15 + P5 + K6 + S3 kg ha–1to sugarcane and lentil, respectively produced the highest yield of 117 t ha–1 with BCR of Tk.4.25. Green manure Sesbania aculeata increased cane yields about 2 to 9 per cent and contributed 56 - 66 kg N ha–1.
  S. M. E. Hassan , M.Sq. Rahman , M. F. Hossain , M.R. Amin and M. M. Alam
  An investigation was carried out to ascertain the effect of planting density and nitrogen on the performance of kaon. The planting density was regulated by the seed rate per hectare. Four different seed rates (4, 6, 8 and 10 kg ha–1) and five nitrogen levels (0, 15, 30 and 60 ka ha–1) were used for this study. The result of the study revealed that the planting density significantly influenced the yield and yield contributing characters such as plant population per square meter, plant height, number of tiller per plant, effective tiller per plant, grains per panicles, grain and straw yields. Nitrogen too significantly influenced the yield and yield contributing characters except plant population per square meter. The maximum grain yield (1.98 t ha–1). The dose of 60 kg N ha-1 produced the highest grain yield (1.87 t ha–1) and it was statistically similar to 45 kg N ha–1 (1.82 ha–1). The interaction effect due to seed rates and nitrogen levels showed significant influence on effective tiller per plant, grain and straw yield and harvest index. The combination of 10 kg seed and 60 kg nitrogen per hectare produced the highest grain yield (2.15 t ha–1).
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