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Comparative Study on Self Propelled Reapers for Harvesting Wheat with Different Reaper Heads

MA Zami
Principal Scientific Officer and Head
Workshop Machinery and Maintenance Division, Bangladesh Rice Research Institute (BRRI), Gazipur-1701, Bangladesh

BK Biswas
Senior Scientific Officer,
Workshop Machinery and Maintenance Division, Bangladesh Rice Research Institute (BRRI), Gazipur-1701, Bangladesh

MA Hossain
Scientific Officer,
Workshop Machinery and Maintenance Division, Bangladesh Rice Research Institute (BRRI), Gazipur-1701, Bangladesh

Md Altaf Hossain
Senior Scientific Officer,
Workshop Machinery and Maintenance Division, Bangladesh Rice Research Institute (BRRI), Gazipur-1701, Bangladesh

Abstract/ Executive Summary:

This experiment was conducted in the BRRI research farm for harvesting wheat with different reaper heads. The reaper heads were 1.0 and 1.2-meter. This reaper was designed and developed for harvesting rice and wheat in the research workshop of BRRI. The reaper was tested for 1.0 and 1.2-meter reaper heads for harvesting wheat. The effective field capacity and field efficiency were 0.246 ha/hr and 70.3% respectively for 1.0-meter reaper head. On the other hand, the effective field capacity and field efficiency were 0.32 ha/hr and 76.2% respectively for 1.2-meter reaper head. The effective field capacity and field efficiency were higher for 1.2-meter reaper head than that of 1.2-meter reaper head for harvesting wheat.

Keywords: Reaper, Manual harvesting, Performance, Weat fields

Location: Bangladesh Rice Research Institute (BRRI), Gazipur-1701, Bangladesh

Start Date:

End Date:

Program Area: Farm Mechanization

Commodity: Performance evaluation

Objectives:

To compare the performances of different reaper heads for harvesting wheat

Methodology:

The reaper was designed and developed for harvesting rice and wheat in the research workshop of BRRI with different reaper heads. The reaper heads were 1.0 and 1.2-meter. Both the reaper heads were tested for harvesting wheat in BRRI farm to evaluate the performances and were compared with each other.

Source of Information: Report of Workshop Machinery and Maintenance Division, BRRI, 2008-9

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Performance and Efficiency of the Reaper:

Fuel consumption, effective field capacity and field efficiency of 1.0 meter reaper were 2.52 l/ha, 0.246 ha/hr and 70%, respectively for harvesting wheat. On the other hand, Fuel consumption, effective field capacity and field efficiency of 1.2 meter reaper were 2.47 l/ha, 0.32 ha/hr and 76.2%, respectively for harvesting wheat.
Total grain losses of rice during harvesting by 1.0 and 1.2 meter reapers and manual harvesting were 2.5, 2.31 and 5.20 %, respectively.
The effective field capacity in 1.2 m reaper is higher and on the other hand fuel consumption, harvesting time and cost are lower than those of 1.0 m reaper and manual harvesting. The self-propelled reaper with 1.2 m head will be beneficial /profitable to the farmers.

Knowledge Management: Report/Proceedings