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Feasibility Study on Different Manual Pumps in Farmers Fields

MA Haq
Senior Agril Engineer
Bangladesh Rice Research Institute, Gazipur-1701.

KA Haq
Chief Agril Engineer
Bangladesh Rice Research Institute, Gazipur-1701.

MS Islam
Senior Agril Engineer
Bangladesh Rice Research Institute, Gazipur-1701.

MT Islam
Senior Agril Engineer
Bangladesh Rice Research Institute, Gazipur-1701.

MA Baqui
Principal Agril Engineer
Bangladesh Rice Research Institute, Gazipur-1701.

Abstract/ Executive Summary:

Three manual pumps, namely; BRRI diaphragm pump (BRRI pump); Twin treadle pump; and Rower pump were evaluated in the farmers’ fields. The average discharges (l/s) were 4.03 for the BRRI pump, 1.4 for the Rower and 1.5 for the Treadle pump at 1.25, 1.6 and 1.16 m operating heads. The discharge of BRRI diaphragm pump was higher than diaphragm pump was higher than those of the Treadle and Rower pumps. At full cost basis, per hectare Irrigation cost for rice cultivation by the BRRI pump was Tk. 9,582.00 which was the lowest among the three pumps. The cost for the Treadle and Rower pumps were Tk. 16,145.00 and 18979.00, respectively. At cash cost basis per hectare the irrigation cost for rice cultivation by the power pump was Tk. 1688.00. Although the repair and maintenance cost of diaphragm pump was highest among the three pumps, it was identified as the most suitable for rice irrigation. The Treadle and the Rower pumps might be suitable for irrigation vegetables.

Keywords: Different pumps, Pump discharge, Irrigation cost, Farmers

Location: Greater Barisal district

Start Date:

End Date:

Program Area: Farm Mechanization

Commodity: Pump

Objectives:

To evaluate the BRRI, Treadle and Rower pumps and their proper extension in farmers’ fields of grater Barisal district

Methodology:

Three types of pumps were used namely;

i) BRRI diaphragm pump

ii) Rower pump and

iii) Twin Treadle pump

Research and Demonstration Sites: Two sites, research and demonstration, were selected for the conduct of the study. In the Boro season, three research sites were selected for evaluating the performance of the pumps. The sites were Kalosgrame, Gournadi (Barisal) and Shaitpakia (Jhalokati). The farmers in the sites managed everything except irrigation which was provided by the project personnel with manual pumps. The research sites were selected on the following criteria:

a) It should be located near a perennial water source.

b) Water should be available within 3 m head during the dry season.

c) The land owner should be real farmers who can afford all

Socio-economic Survey: A survey questionnaire was designed to collect information on the socio-economic status of the farmers. Altogether 176 farmers were interviewed 14 from Chamta, 40 from Shaitpaia, 35 from Karapur, 40 from Kalashgramme and 47 from Morakati villages.

Source of Information: Agricultural Mechanization in Asia, Africa and Latin America, Vol. 25, No. 3, 1994: 29-33

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Performance evaluation of pumps

The discharge (l/s) of BRRI pump were 4.5 at Jhalokhati, 4.1 at Kalosgram and 3.5 at Gournadi Research sites respectively at 0.61, 1.25 and 2.0 m operating heads. The discharge of the Treadle pump at said places were 1.5, 1.4 and 1.2 respectively at 1.5, 1.4 and 1.2 heads and that of Rower pump were 2.2, 1.5 and 0.9 respectively at 0.5, 1.00 and 2.0 m heads. The repair cost of the BRRI pump was Tk. 137,154 and 245, respectively, at Shaitpaika, Katashgramme and Gourndi.

Comparative irrigation cost

At full cost basis irrigation cost per hectare for rice field were Tk. 9582 for the BRRI pumps, 16145 for the Treadle and 18979 for the Rower. The irrigation cost for the BRRI pump was the cheapest. The irrigation costs for the power pump was cheaper than that of any of the manually operated pumps at full cost basis.

Socio economic survey

Farmers who belong to the 0 to 0.5 ha landholding class was high in the villages which used family labour in their agricultural activities. Therefore, the manual pumps could be widely used by this group of farmers in the village.

Knowledge Management: Journal