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Water Saving Technologies for Rice in the Farmers’ Field During 2011-12

Shila Pramanik,
Senior Scientific Officer
Rice Farming Systems Division Bangladesh Rice Research Institute Gazipur-1701

Satyen Mondal,
Senior Scientific Officer
Rice Farming Systems Division Bangladesh Rice Research Institute Gazipur-1701

M Khairul Quais
Senior Scientific Officer
Rice Farming Systems Division Bangladesh Rice Research Institute Gazipur-1701

Nargis Parvin
Scientific Officer
Rice Farming Systems Division Bangladesh Rice Research Institute Gazipur-1701

Abstract/ Executive Summary:

Farmers generally misuse a lot of irrigation water when they irrigate their rice fields. Several water saving technologies are available, however farmers are not well aware of these. Therefore, farmers’ participatory demonstration trial was carried out to improve the water use efficiency and save the water resource in rice cultivation at farm level. Water used for three selected farmers’ fields under levee management and farmers’ practice were monitored in T Aman season 2011. On an average 0.4 t/ha yield was increased in BRRI dhan46 compared to farmer's traditional levee management which increased Tk. 6500 more income compared to traditional farmer's practice. In Boro season, number of irrigation and water used for three selected farmer's field under AWD method and farmers practice were monitored. On an average short duration variety like BRRI dhan28 received 12.6 irrigation in AWD practice, whereas for farmers practice it was 15.0. As a result about 2.33 irrigation were saved compared to the farmers practice. The average yield under AWD practice was 5.2 (t/ha) whereas, for farmers practice it was 5.0 (t/ha).

Keywords: AWD pipe, Water saving technology, Rice yield

Location: Moison, Kapasia, Gazipur

Start Date: 01-07-2011

End Date: 30-06-2012

Program Area: Crop-Soil-Water Management

Commodity: Water management

Objectives:

To improve the water use efficiency and save the water resource in rice cultivation at farm level.

Methodology:

The trials were conducted at FSR&D site, Moison, Kapasia, Gazipur during the period of T Aman 2011 and Boro 2011-12. Levee management practice was done in T Aman and alternate wetting and drying (AWD) method was used in Boro season. Three farmers of small farm category were selected for this study. In T Aman season, a field with a levee of 25-30 cm height and traditional levee were maintained. In Boro season to monitor the water level below ground surface and to make the schedule of irrigation time a perforated PVC pipe (AWD pipe) was installed in each field. Another field was kept without AWD pipe to compare the farmers practice.

Source of Information: Proceedings of the BRRI Annual Internal Review for 2011-12

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Adoption of water saving technologies by the small farmers saved irrigation cost and increased rice yield. Levee management practice was done in T Aman and AWD method was used in Boro season. In T. Aman season, on an average 0.4 t/ha yield was increased in BRRI dhan46 compared to farmer's traditional levee management and in Boro season, short duration variety like BRRI dhan28 received 12.6 irrigation in AWD practice, whereas for farmers practice it was 15.0. As a result about 2.33 irrigation were saved compared to the farmers practice. The average yield under AWD practice was 5.2 (t/ha) whereas, for farmers practice it was 5.0 (t/ha).

Knowledge Management: Report/Proceedings