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Water Resource Management of the Damodar Valley Corporation

The water resource management of the Damodar Valley Corporation project for irrigation purposes has been examined to reveal that illegal canal water utilisation has been increasing over the years. Water availability (per hectare) has been declining in the tail-end area compared to the head-reach and middle-reach areas in all seasons, which has led to differentiated agricultural productivity and crop patterns across different segments of the canal command area. Further, reduction of reservoir storage capacity and increased water demand for non-agricultural purposes have reduced the share of irrigation water and increased flood hazards in the monsoon season in the downstream area of the Damodar river.

Spatio-temporal Variations of Crop Diversification

Crop diversification has been found to augment farmer’s income and employment, and to reduce poverty. An analysis of the nature and extent of crop diversification with spatio-temporal variations in the Damodar Valley Corporation command area in West Bengal is presented and the factors affecting crop diversification are identified. The spatial effect has been captured by segregating the DVC canal water course into three segments—head-reach, middle-reach and tail-end—according to the location of the area with respect to the water course. Uncertainty in respect of canal water availability in the tail-end area induces farmers to resort to higher crop diversification. The number of rural markets, distance of cultivated land from farmer’s home, and the number of adult family members engaged in agriculture significantly influence the nature of crop diversification.
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