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Pakistan Journal of Biological Sciences
Year: 2003  |  Volume: 6  |  Issue: 14  |  Page No.: 1202 - 1204

Effect of Tillage Practices and Nitrogen Rates on the Nitrogen Content and Nitrogen Uptake in Rice Var. Binasail

M.S. Akter, M.A. Matin, M.F. Hossain, U.K. Majumder and S.C. Halder    

Abstract: An experiment was conducted to evaluate the effect of tillage practices and nitrogen rates on the %N content in grain, straw and N uptake by grain, straw, plants in rice var. Binasail. The %N content in grain, N uptake by grain and total N uptake by plant were significantly influenced by different tillage practices. Maximum N content in grain (1.12%), N uptake by grain (34.54 kg ha-1) and total N uptake by plant (43.23 kg ha-1) were observed in 20 cm deep tillage treatment (T2). Minimum N content in grain (1.09%), N uptake by grain (26.87 kg ha-1) and total N uptake by plant (35.41 kg ha-1) were found in no tillage treatment (T0). The nitrogen content (%) in grain and straw, N uptake by grain and straw and total N uptake by plant were also significantly influenced by different rates of nitrogen application. The maximum N content in grain (1.17%) was recorded in no nitrogen (N0) and the minimum (1.04%) with the application of 105 kg N ha-1 (N3). The interaction effect of tillage operations and nitrogen application on %N content in grain, straw and total N uptake (kg ha-1) by plant found to be significant.

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