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Modelling water control needs for diversified cropping

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Abstract

The background and concepts of water control for crop diversification in rice-based irrigation systems are discussed. Water control is described in terms of the irrigation event volumes and intervals between irrigation events. The development of the WACCROD model to simulate these water control parameters under selected agroclimatic conditions is described. The simulation model can recommend irrigation event volumes and intervals for various dry season cropping patterns in rice-based irrigation systems. Also, the application of the model to a general situation at field level of a ‘typical’ rice based irrigation system is reported.

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References

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McCornick, P.G., Oad, R.N. Modelling water control needs for diversified cropping. Irrig Drainage Syst 4, 215–229 (1990). https://doi.org/10.1007/BF01117743

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Key words

  • crop diversification
  • irrigation
  • management
  • rice
  • simulation