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Surface Water Conservation and Utilization Potential in BARInd Area-1999

Dr M Nazmul Hasan
PSO
Irrigation and Water Management Division, BRRI, Gazipur-1701, Bangladesh.

Abstract/ Executive Summary:

A survey work has been carried out to determine the agro-hydrological parameters which influence the performance of Khari and to assess the productivity of supplemental irrigation using conserve water. The Barind Tract is a designative physiographic unit situated in the Rajshahi district northwest of Bangladesh. It is the west part of the country where only T.Aamn rice is grown mostly using rainwater. It has a crop area of 8364 sq.km, which is about 5.5% of the country. The land is composed of grey terrace soils of silt loam to silty clay loam and is poorly drained. The soil pH ranges from 5.5 to 6.5. The organic matter content is very low (0.8 to 1.2%). The land is composed of grey terrace soils of silt loam to silty clay loam and is poorly drained. The soil pH ranges from 5.5 to 6.5. The organic matter content is very low (0.8 to 1.2%). Ponds, beels and Kharis are the most reliable and consistent sources of irrigation water, whereas the groundwater resources become critical in dry season. The Barind Multipurpose Development Authority (BMDA) has already constructed a series of submerged weirs across the few Kharis or canals to store run off water. The stored water can be used for supplemental irrigation in T.Aman season as well as Rabi season. At present BMDA has leased out the individual Khari to group of farmers.

Keywords: Khari, Barind area, BMDA

Location: The Barind Tract, Rajshahi district, Bangladesh.

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Water Conservation

Objectives:

To determine the agro-hydrological parameters which influence the performance of Khari
To assess the productivity of supplemental irrigation using conserve water

Methodology:

Survey work has been done.The Barind Tract is a designative physiographic unit situated in the Rajshahi district northwest of Bangladesh. It is the west part of the country where only T.Aamn rice is grown mostly using rainwater. It has a crop area of 8364 sq.km, which is about 5.5% of the country. The land is composed of grey terrace soils of silt loam to silty clay loam and is poorly drained. The soil pH ranges from 5.5 to 6.5. The organic matter content is very low (0.8 to 1.2%). The land is composed of grey terrace soils of silt loam to silty clay loam and is poorly drained. The soil pH ranges from 5.5 to 6.5. The organic matter content is very low (0.8 to 1.2%). The natural fertility of soil is characterized to be from moderate to moderately low (OFRD, 1992). The irrigation water sources of Barind area are mainly local rivers, ponds, small depressions, beels, Kharis and groundwater. Out of those sources, rainwater contributes less than 1% of total irrigated area. Ponds, beels and Kharis are the most reliable and consistent sources of irrigation water,

Source of Information: Proceedings of the BRRI Annual Review for 1999, BRRI, Gazipur-1701, Bangladesh

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The land is composed of grey terrace soils of silt loam to silty clay loam and is poorly drained. The soil pH ranges from 5.5 to 6.5. The organic matter content is very low (0.8 to 1.2%). The natural fertility of soil is characterized to be from moderate to moderately low (OFRD, 1992). The irrigation water sources of Barind area are mainly local rivers, ponds, small depressions, beels, Kharis and groundwater. Out of those sources, rainwater contributes less than 1% of total irrigated area. Ponds, beels and Kharis are the most reliable and consistent sources of irrigation water, whereas the groundwater resources become critical in dry season. The Barind Multipurpose Development Authority (BMDA) has already constructed a series of submerged weirs across the few Kharis or canals to store run off water. The stored water can be used for supplemental irrigation in T.Aman season as well as Rabi season. At present BMDA has leased out the individual Khari to group of farmers.The Barind Multipurpose Development Authority (BMDA) has already constructed a series of submerged weirs across the few Kharis or canals to store run off water. The stored water can be used for supplemental irrigation in T.Aman season as well as Rabi season. At present BMDA has leased out the individual Khari to group of farmers.Rainwater contributes less than 1% of total irrigated area.

Knowledge Management: Report/Proceedings