By J. Bhattacharya, M.K. Mondal, E. Humphreys, M.H. Rashid, P.L.C. Paul, S.P. Ritu
Revitalizing the Ganges Coastal Zone Conference
21-23 October 2014, Dhaka, Bangladesh
http://waterandfood.org/ganges-conference/
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Rice-Rice-Rabi systems for low salinty regions of the coastal zone of Bangladesh
1.
2. J. Bhattacharya, M. K. Mondal, E. Humphreys, M. H. Rashid,
P. L. C. Paul and S. P. Ritu
3. Traditional Cropping System (Farmers’ Practice)
Local Rice Varity
(2-3 t/ha)
Mungbean/Grass Pea
(0.5-1.0 t/ha
Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
4. Objectives
➢ feasibility of Rice-Rice-Rabi system
➢ can we fit 3 high yielding crops together?
➢ optimum sowing date for maximum
system productivity?
8. Weed Management
Hand weeding – plots kept weed free
Disease and Insect Management
Recommended practice when needed
9.
10. BRRI & BARI , 2011
Rice- ¼ N + all fertilizers- Basal, MT, 5-7 dB PI
Maize- 1/3 N + all fertilizer- Basal, 25-30, 45-50 DAS
Sunflower- 1/3 N + all fertilizer-Basal, 20-25, 40-45 DAS
33. ❑ Duration of crops in field
Sunflower- 305 d Maize 321 d
Aus-aman-rabi is FEASIBLE where
- able to drain & thus grow HYV aman
- fresh water for irrigation of rabi crops
34. System production 14.1 to 19.5 t/ha/yr (3-4 times than
A M J J A S O N D J F M A
Sunflower/Maize
farmers’