B. C. Roy

Measurement of Surface Acidity of Amorphous Silica-Alumina Catalyst by Amine Titration Method (2005)

B.C. Roy, M.S. Rahman, M.A. Rahman

Amorphous silica-alumina catalyst samples of different Si:Al ratio as of 90:10, 70:30 and 50:50 were prepared from sodium metasilicate and aluminum sulphate by co-precipitation and gelation methods...

Performance of IR68877H and IR69690H (BRRI Hybrid Dhan1) in the South-central Region of Bangladesh (2004)

M.A. Hossain, B.C. Roy, M.A. Rahman, A.I. Khan, A.W. Julfiquar

On farm trials were established with two advanced hybrid rice lines, IR68877H and IR69690H during the boro season 2000-2001 in five locations-Fakirhat, Babuganj, Bhola sadar, Mothbaria and Nalchhiti...

Ratooning Ability of Photoperiod-Sensitive Rice Varieties Transplanted in the Boro Season (2004)

B.C. Roy, M.A. Hossain, M.A. Rahman

Field experiment was conducted at the Bangladesh Rice Research Institute, Charbadna farm, Barisal, from boro 2001 to aman 2002. Seven photoperiod-sensitive rice varieties including three fine grain...

Genotypic Differences in Nitrogen Uptake and Utilization of Wet and Dry Season Rice as Influenced by Nitrogen Rate and Application Schedule (2004)

B.C. Roy, D.E. Leihner, T.H. Hilger, N. Steinmueller

Nitrogen accumulation, uptake and use efficiency of wet and dry season varieties were determined from field experiments conducted in 1996 to 1998 at the Bangladesh Rice Research Institute (BRRI) in...

Suitable Transplanting Time for the Modern T. Aman Rice Varieties in Tidal Nonsaline Wetland Situation of Bangladesh (2003)

B.C. Roy, M.A. Hossain, M.A.I. Khan

The experiment was conducted to findout the transplanting effects on growth and yield of five modern varieties and to identify suitable varieties for late T. Aman season during 2000 and 2001. The...

Effect of Nitrogen Rate and its Application Schedule on Leaf Area Development and Crop Growth of Local and Modern Rice Varieties (2003)

B.C. Roy, D.E. Leihner, T.H. Hilger, N. Steinmueller

The experiments were carried out from 1996 to 1998 at the Bangladesh Rice Research Institute in Gazipur. Four rice varieties-Nsail and BRRI dhan31 (BR31) in the wet season (WS) and HB6 and BRRI...