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Development of a Manual Operated Sprayer for Field and Horticulture Crops

M. D. Hussain
Department of Farm Power & Machinery, Bangladesh Agricultural Uniersity, Mymensingh

M. K. U. Sarkei
Department of Farm Mechanics. Agriculture College. Dinajpur. Bangladesh.

M. M. Hussain
Department of Farm Power & Machinery, Bangladesh Agricultural Uniersity, Mymensingh

M. M. Alarm
Department of Farm Power & Machinery, Bangladesh Agricultural Uniersity, Mymensingh

M. Mani
Department of Farm Power & Machinery, Bangladesh Agricultural Uniersity, Mymensingh

Abstract/ Executive Summary:

A manually operated sprayer was developed and its performance studies were carried out in the department of Farm Power and Machinery. It can be used in the ground crops and as well as in the horticultural crops by changing only the nozzles. By this sprayer a maximum pressure of 20 kg/cm² can be developed. The maximum field capacity for ground crop application was 0.186 heir at 5 kg/cm² pressure and for orchard application was 0.826 ha/hr at 10 kg/cm². The maximum horizontal distance covered by the spray drops produced by orchard nozzle was 11.43 m at 4 kg/cm² and the vertical distance covered by the same nozzle was 5.7 m at 60° spray angle. The cost of fabrication of the sprayer was 200 US$.

Keywords: Pump, Nozzles, Operating Principle, Pressure Released with Time and Measurement

Location: Department of Farm Power & Machinery, Bangladesh Agricultural Uniersity, Mymensingh

Start Date:

End Date:

Program Area: Farm Mechanization

Commodity: Product development

Objectives:

To develop a hand powered push type sprayer suitable for ground and horticultural crops.
To study the performances of the sprayer such as strokes Vs pressure rise, time elapse Vs pressure release, pressure Vs flow rate, pressure Vs Horizontal & vertical travel.
To study the spray distribution pattern.

Methodology:

Locally available materials were used for the fabrication of the sprayer. The pump, nozzles, Operating principle, Pressure released with time and Measurement, etc., used for the sprayer development

Source of Information: J. of Agril. Mach. & Mech. 2(1), 1995, pp. 45-49

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Manually lever operaied push type sprayer is suitable for use in ground crops and horticultural crops.
Two men are required to operate C.,,e spraver. one man for pumping I& pushing- and 2nd man for spraying and holding the spray gun- Trees upto a height of 5.7 rn and 6 nil can be sprayed using noz..zie type I and 2 respectively_ ibis sprayer is -suitable for spraying in different pressures ranges from 4 to 10 kgiern2_ This makes the sprayer suitable for various purposes. Different size of 110Z,ZieS can be used with the sprayguri,
Locally available materiais can be used for its manufacture in any small scale workshop

Knowledge Management: Journal