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Articles by A. Karim
Total Records ( 2 ) for A. Karim
  S.M.N. Islam , M.A. Islam , S.M. Asaduzzaman , S.M. Zaman , A. Karim and M. Khatun
  The on-farm trial was carried out to know the effect of inter-cropping Dhanicha (Sesbania aculeata L.) with direct seeded upland rice for two consecutive years. Sole aus rice with four various populations of S. aculeata was evaluated on the basis of productivity and economic return. The results showed that although the yield of aus rice slightly reduced when S. aculeata were grown, but its seed and stick value increased much higher economic return. On the other hand, unseen benefit of S. aculeata regarding the improvement of soil health and control of insect in the rice field was emphasized. So, in the aus rice field, the population of S. aculeata (3,333 to 6,666 plants ha-1) could be grown successfully.
  M. Mahbubul Alam , Md. Mainul Basher , A. Karim , M.A. Rahman and M. Rafiqul Islam
  An experiment was conducted during the period from April to July 2001 to find out effect of 3 levels of plant population (53000, 66000, 80000 plants ha-1) and 4 levels of nitrogen fertilizer (100, 140, 180 and 220 kg ha-1) in silty clay loam soil. The results showed that the yield and yield attributes characters varied significantly due to the variation in population densities and nitrogen rates. The lower plant population (53000 plants ha-1) produced higher cobs plant-1, cob length, grains cob-1 and 1000-grain weight, but the higher plant population (66000 and 80000 plants ha-1) resulted significantly higher grain yield than lowest plant population. The increasing level of nitrogen improve the yield and yield attributes. Maximum values of yield attributes and that of grain yield were with the 2nd highest level of nitrogen (180 kg N ha-1). The highest grain yield (5.03 t ha-1) was recorded from 80000 plants ha-1 with 180 kg N ha-1.
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