The Winchmore Irrigation Research Station, 16 kilometres north-west of Ashburton, investigated the benefits of irrigation to pastoral and arable farming. Trials also evaluated the long-term effects of phosphate fertiliser application, losses of phosphate in irrigation water, differing pasture species and insect pests.
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Archives New Zealand - Te Rua Mahara o te Kāwanatanga
Reference: AANR 6329 89 DA26,715
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