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Study on Technical and Socio-economic Constraints to Wider Adoption and Sustainable Use of Plastic Pipe in Rice-wheat System 2001

M Nurul Islam
CSO & Head
IWM Division, BRRI

Dr M A Sattar
Head and Chief Scientific Officer
IWM Division, BRRI

Dr Golam Wahed Sarker
SSO
IWM Division, BRRI

M Moniruzzaman
SSO
IWM Division, BRRI

Abstract/ Executive Summary:

In pipe irrigation, farmers faced some problems in fitting and fixing of pipe to the tubewell outlet. The farmers faced priming problem due to leakage and aeration of the hosepipe to the delivery pipe of the pump. Three types of pipe jointing were practiced by the farmers in both locations. Among them overlap jointing practice was mainly used in the farmers field. In Rajshahi and Chuadanga areas 100% and 60% farmers reported to use the overlap jointing. Overlap jointing was mainly used in the field and it sometimes open due to high pressure for lifting water on the undulated high land. To overcome those problem clamp jointing may be suggested. In consideration of pipe cost, durability of pipe and channel maintenance cost, preparation cost of earthen canal was cheaper compare to pipe irrigation. But the volume of water loss was very high. About 35-50% time were saved compare to earthen channel irrigation. Consequently the fuel/oil and money saved and by using those saved amount more area could be covered.

Keywords: Technical constraints, Socio-economic constraints, Wider adoption, Sustainable use, Rice-wheat system

Location: Chuadanga sadar Upazila, Chuadanga and Bagha, Charghat, Putia upazila, Rajshahi

Start Date: 01-07-2000

End Date: 30-06-2001

Program Area: Crop-Soil-Water Management

Commodity: Water management

Objectives:

To find out the operational constraints of plastic pipe water distribution systems and to find sustainable solution
To design practically usable pipe jointing and its mounting techniques with the STW discharge pipe
To identify the constraints of the pump owners and the farmers regarding the use of plastic pipe irrigation compared to other distribution systems
To find out the possible means and ways for adoption of the plastic pipe for irrigation water distribution by pump owner and farmers

Methodology:

The data were collected through questionnaire survey in two sites (Rajshahi, Chuadanga) area. Farmers were selected randomly from the study area. Tabular analysis was used to classify data by employing arithmetic means, percentages and rations. Simple and weighted averages, percentages etc were used. The tabular method has used because it is simple, convenient and easy to understand.

Source of Information: Proceedings of BRRI Annual Internal Research Review, 2001

Article Link (Online Journal):

Funding Source:

1. Asian Development Bank

Budget:

Total Budget (Tk.) :

Achievement/Findings:

In pipe irrigation, farmers faced some problems in fitting and fixing of pipe to the tubewell outlet. The farmers faced priming problem due to leakage and aeration of the hosepipe to the delivery pipe of the pump. Three types of pipe jointing were practiced by the farmers in both locations. Among them overlap jointing practice was mainly used in the farmers field. In Rajshahi and Chuadanga areas 100% and 60% farmers reported to use the overlap jointing. overlap jointing was mainly used in the field and it sometimes open due to high pressure for lifting water on the undulated high land. To overcome those problem clamp jointing may be suggested. In Chuadanga site, few farmers used the clamp joint with a piece of rounded tin. Both the areas the occasional opening of joints and leakages were the most common problem.

Knowledge Management: Report/Proceedings