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Effect of Crop Establishment Methods on the Performance of Boro Rice (oryza Sativa L.) in the Cooler Region Under Light Texture Soil Condition

A. B.S. Sarker
Agronomy Division, Bangladesh Rice Research Institute, Gazipur, Bangladesh

M. B. Rahman
Adaptive Research Division,Bangladesh Rice Research Institute, Gazipur, Bangladesh

R. Yasmeen
Plant Physiology Division, Bangladesh Rice Research Institute, Gazipur, Bangladesh

M. A. Islam
Adaptive Research Division, Bangladesh Rice Research Institute, Gazipur, Bangladesh

S. M. M. Islam
Soil Science Division, Bangladesh Rice Research Institute, Gazipur, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted at the Bangladesh Rice Research Institute regional station, Rangpur to Investigate the performances of different establishment methods of Boro rice; variety BRRI dhan29 in light texture soil during Boro 2004-05 and 2005-06 seasons. Five crop establishment methods were tested in a randomize complete block design with three replications, The methods were: 1. Conventional transplanting method 2. System of Rice Intensification (SRI) method, 3. Farmers practice, 4, Seedling throwing method and 5. Direct-Wet Seeded Rice (DWSR) using drum seeder method. Grain yield was influenced by different crop establishment methods in both the seasons. The highest mean grain yield was obtained by BRRI recommended conventional transplanting method (627 t ha^-1) followed by SRI method (5.70 t ha^-1). The highest number of panicles m^-2 was obtained from wet DSR by drum seeder method (341 m^-2). Effectiveness of tiller (92%) was obtained from the RI method. The largest number of filled grains per panicle (76) was obtained from the SRI method. The highest 1000-grain weight (23.2 g) was obtained by the farmer's method. Less sterility was occurred (30 %) from farmer's methods. The highest growth duration (175 days) was observed in farmer method. But the highest field duration of BRRI dhan29 (145 days) was observed in Direct-Wet Seeded Rice (DWSR) using drum seeder

Keywords: System of rice intensification (SRI), Seedling throw, Wet DSR, Drum seeder

Location: BRRI regional station, Rangpur

Start Date: 00-00-2004

End Date: 00-00-2006

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To investigate the performance of different crop establishment methods in light texture soils at Rangpur during Boro season.

Methodology:

The experiment was conducted at BRRI regional station, Rangpur during Boro 2004-05 and 2005- 06 seasons. Five crop establishment methods: (a) BRRI recommended conventional transplanting method, (b) System of Rice Intensification (SRI) method, (c) Farmer's practice, (d) Seedling Throwing and (e) DWSR by drum seeder were tested using BRRI dhan29. Seeds were sown in the l^st week of December on raised bed and transplanting was done in 2^nd week of January. Forty-days old seedlings were transplanted. Spacing and seedling number per hill were 20 x 20 cm and 2 - 3, respectively. Water was maintained at 3-4 cm depth from transplanting to ripening of the crop. Seeds were sown in the 4^th week of December on raised bed and transplanting was done in 2^nd week of January. In this method spacing was 30 x 30 cm. 14-days old seedlings were transplanted with single seedling per hill with in half an hour after uprooting. Seedlings were transplanted in 1- 2 cm depth of soil carefully. Saturated water in field was maintained during transplanting up to panicle initiation stage. Soil was kept in well drained and saturated condition during the entire vegetative growth period but only a thin film of water (2-3 cm) on the field was maintained at panicle initiation stage unti I 10-15 days before harvest. The experiment was laid out in RCB design with three replications. The growth, yield and yield component data procedure was taken as per the guide line of Gomez, 1972. Data were analyzed following IRRISTAT and mean separation was done by DMRT. Fertilizer rate was N-P₂O₅- K₂O-S-Zn @ 100-80-60-12-10 kg ha^-1 respectably. All fertilizers were applied as basal except nitrogen. Nitrogen was applied as urea in three equal splits at 20, 40 and 60 days after transplanting/sowing/throwing. Three weeding and mulching were done manually after urea top dressing. The crops were sprayed with systemic pesticides (Furadan/Basudin/Nogos) for controlling Stem Borers and other pest. Other recommended cultural operations were followed when necessary.

Source of Information: The Agriculturists, Vol: 5, (No-1&2), pp: 95-100, Dec 2007

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

SRI and BRRI recommended transplanting methods of crop establishment appeared to be similar and better than other methods of crop establishment under the environmental condition of experimentation.

Knowledge Management: Journal