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Design and Development of Drum Seeder

M. Alam
Department of Farm Power and Machinery, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh.

M. R. Ali
Department of Farm Power and Machinery, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh.

M. A. Rabbani
Department of Farm Power and Machinery, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh..

A. B. M. M. H. Khan
Department of Farm Power and Machinery, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh..

Abstract/ Executive Summary:

A low cost manually operated drum seeder was designed and developed to overcome high human-stress and drudgery in transplanting operation. The performance-of the seeder was tested in the laboratory. The drum seeder has six drums, those are placed over a shaft. Each drum has two rows with 20-cm spacing between the row. The working width of the seeder is 2.4 m in the field and the total weight of the drum seeder is only 15 kg. The laboratory performance of the seeder showed that the seed rate increased with the decrease in amount of seeds in the drum. A relationship was observed between seed rates and filling conditions of drum. The seed rate was 26 kg/ha when the drum was full of seeds and it was 86 kg/ha when the drum was only 25% full of its capacity. A relationship between seeding rate and forward speeds of the seeder was also determined. The maximum seed rate was obtained at a speed of 2.71km/hr. The average seed rate was 50 kg/ha of BR 28 seed. All performance was tested in the laboratory and Bangladesh Agricultural University farm'

Keywords: Drum seeder, Row spacing, Seed rate

Location: Department of Farm Power and Machinery, Bangladesh Agricultural University, Mymensingh.

Start Date:

End Date:

Program Area: Farm Mechanization

Commodity: Seeder

Objectives:

To design and development of a direct seeder.

Methodology:

The design of a seeder, imported from the people's Republic of Vietnam, was modified to develop seeder with locally available materials. The following factors were considered to design and develop the direct seeder: (i) the direct seeder should be suitable for operating by a person, (ii) the seeder should be simple in construction so that local manufacturers can easily fabricate it, (iii) the machine should have multi-row facility, (iv) it should be light in weight and easy to operate, (v) it should be easy to repair and maintenance, (vi) the machine should be made with locally available materials, (vii) the machine should have simple and easy adjustment, (viii) the cost of the machine must be within the reach of small and medium farmers and (ix) the row spacing and seed rate of seeder should be adjustable. A very simple design was selected that could be made by locally available low -cost materials and technicians. Materials required to construct the seeder were procured from the local market. Most of the parts of seeder designed and fabricated in the workshop of the Department of Farm Power and Machinery, Bangladesh Agricultural University, Mymensingh. The performance of the drum seeder was studied in the same workshop and BAU agriculture's farm. The major materials required for fabricating the seeder were as follows: (i) Mild Steel (M.S.) 2.54 x 2.54 square cm hollow pipe, (ii) M.S. sheet (gauge no.26), (iii) M. S flat bar, (iv PVC pipe (3.81cm), (v) Nut and bolts and (vi) M. S rod.

Source of Information: Progress. Agric. 17(2) : 203-212,2006, ISSN 1017-8139

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The design of seeder was so simple that it was very easy to fabricate with locally available materials. Its operation was very easy and it required very less manual power to pull. Therefore, one person (male or female) would able to operate it. The fabrication cost (US$ 28-32) of the seeder was low, so the farmers of Bangladesh would be able to afford to fabricate or purchase it. The seeding rate was increased with the decrease of the amount of seeds in the drum and seeding rate was vary low when the drum was full of seeds. Therefore, the drum of the seeder should not be filled more than 75% of its full capacity at starting the operation. The seeding rate was varied with the varying of filling conditions of the drum. Therefore, further experiments should be conduct to introduce an attachment within the each drum to minimize the variation of seed rates during operation.

Knowledge Management: Journal