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MI has removed the previous rice growing restrictions for season 2016/17 to open up greater opportunities for customers across the MIA. Customers are advised best management practice should apply, including growing on suitable rice approved soil types. MI will be providing RWU targets created from the Hanwood CSIRO weather station to assist rice growers to monitor rice water use throughout the season.
The 2016/17 final Rice Water Use (RWU) target for this season commencing 1 October to 28 February 2017, calculated using ETT and rainfall data from CSIRO Hanwood is 14.5ML/ha
The RWU target includes 2ML/ha for filling the profile and a further 2ML/ha added at end of season allowing for drainage/dry down.
Rice crop coefficient now 1.16
AWS evapotranspiration figures are now calculated using the internationally recognised FAO56 equation modified to represent tall crops ETref_t. The rice crop coefficient used in conjunction with ETref_t. Is 1.16