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Study on Surface Water Utilization for Crop Cultivation in the Dry Season.

M S P Ritu
SO
Irrigation and Water Management Division, BRRI, Gazipur

Abstract/ Executive Summary:

Main objective of this study was to quantify amounts of surface water available for crop cultivation. In boro season 2004-2005, BRRI dhan28 was transplanted during 24-30 December 2004 with about one month old seedling. BRRI recommended fertilizer i.e. 101-24-43-11-7 Kg N-P-K-Zn-S/ha and cultural management practices were followed to grow the dry season rice, except water management. Irrigation was provided through the flash gate during neap tide from mid-December 2004 to mid-February 2005. Yield of BRRI dhan28 varied from 2.5 to about 400 mm water and 1272 mm water was applied to the rice including rainfall during the growing season of BRRI dhan28. Crop water demand during the dry season 2004-05 was about 700 mm.

Keywords: Surface water, Dry season, BRRI dhan28.

Location: Batiaghata, Khulna

Start Date: 00-07-2004

End Date: 00-06-2005

Program Area: Crop-Soil-Water Management

Commodity: Water management

Objectives:

To quantify amounts of surface water available for crop cultivation.
To document feasibility of rice with the available water resources.

Methodology:

In boro season 2004-2005, BRRI dhan28 was transplanted during 24-30 December 2004 with about one month old seedling. BRRI recommended fertilizer i.e. 101-24-43-11-7 Kg N-P-K-Zn-S/ha and cultural management practices were followed to grow the dry season rice, except water management. Irrigation was provided through the flash gate during neap tide from mid-December 2004 to mid-February 2005. Non-saline river water was conserved in natural sluice canal at the beginning of February and used to irrigate rice during mid-February to the end of March 2005.

Source of Information: Proceedings of the BRRI Annual Internal Review for 2004-2005. Bangladesh Rice Research Institute (BRRI), Gazipur -1701.

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Yield of BRRI dhan28 varied from 2.5 to about 400 mm water and 1272 mm water was applied to the rice including rainfall during the growing season of BRRI dhan28. Crop water demand during the dry season 2004-05 was about 700 mm. Therefore, the amount of water applied for the growing season of rice was much higher than actually needed for rice cultivation. The main reason was that the participatory farmers applied huge amounts of river water during neap tide without incurring any cost for irrigation at the beginning of the cropping season.

Knowledge Management: Report/Proceedings