Please use this identifier to cite or link to this item: http://ir.lib.seu.ac.lk/handle/123456789/1690
Title: Land preparation water management by canal simulation in a paddy estate.
Authors: Najim, M.M.M.
Lee, T.S.
AminulHaque, M.
Mowjood, M.I.M.
Issue Date: May-2004
Publisher: University of Peradeniya, Sri Lanka
Citation: Proceedings of the Tenth Asian Congress of Fluid Mechanics (ACFMX), pp. 17 – 21.
Abstract: A canal simulation study was conducted in an intensively cultivated paddy estate in Malaysia. CanalMan software was applied to main and selected secondary canals that have difficulty in land preparation supply within the scheduled time periods. The study revealed that the CanalMan is capable of simulating different scenarios possible in the project area. Canal simulations also revealed that the land preparation supply management could be completed in three days, which is two days less than the current practice, when the canals are supplied with design discharges. Canal simulations combined with a water balance study revealed that a minimum of 20 mm of effective rainfall is needed to complete land preparation within the desired period. When the water levels along main canal drops, the required rainfall is much higher. This forces the management to start supply by pumping or shift land preparation water management in critical blocks to the drainage period soon after seeding in other blocks.
URI: http://ir.lib.seu.ac.lk/handle/123456789/1690
Appears in Collections:Research Articles

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