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Our mapping data includes information originally commissioned by Amuri Irrigation, Morven Glenavy Ikawai Irrigation, Ashburton Lyndhurst Irrigation, Barhill Chertsey Irrigation, and DairyNZ (Hinds nutrient zone). This was made available to Environment Canterbury to enable a consistent approach to irrigated area mapping. Users of this mapping data are advised: Conversion of irrigation application systems to more efficient methods is ongoing and rapid in many areas, often at a rate of over 10% per annum.The methods used in this mapping do not have an expectation of complete accuracy. It is recommended that updated information should be sought from irrigation schemes and/or individual farms before reliance is made on the information presented in these maps. |