In regions such as Canterbury, which are dry in summer, productivity has been increased by irrigating pastures and crops. The water, which originates in the high-rainfall area of the Southern Alps, is either diverted from the main rivers by channels such as this one, or comes from underground water aquifers. Deep wells are drilled into aquifers and the water used for spray irrigation.
Te whakamahi i tēnei tūemi
Natural Sciences Image Library of New Zealand
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