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Profitability of irrigation in Mid Canterbury
(Lincoln College. Agricultural Economics Research Unit., 1964-08)
In the drier areas of New Zealand irrigation is one possible method of securing the increased volume of farm production which the country reguires, but irrigation is costly. From the national viewpoint, it will only be ...
A management study of irrigation farming in the Ashburton-Lyndhurst scheme of Mid-Canterbury
(Lincoln College, University of Canterbury, 1965)
Throughout the world, irrigation is used to raise the productive capacity of the soil, where soil moisture is a limiting factor. Many irrigation areas can not achieve any production without the supplementation of soil ...