Economic Aspects of Some Groundwater Disposal Options for Irrigated Dairy Farms: A Preliminary Evaluation

Oliver Gyles

No 125646, 2001 Conference (45th), January 23-25, 2001, Adelaide, Australia from Australian Agricultural and Resource Economics Society

Abstract: Net annual costs for disposal by pumping to the Murray River, an on-farm evaporation basin, conjunctive use with surface water to irrigate dairy pasture, and undiluted irrigation of a salt tolerant grass were estimated and compared. Total conjunctive use (TCU) is the cheapest option below 10dS/m groundwater salinity. TCU becomes more expensive than river disposal above 10 dS/m and than total evaporation above 15 dS/m. Above 10 dS/m, partial conjunctive use with disposal of some groundwater by irrigating salt tolerant forage is similar in cost to river disposal and less expensive than total on-farm evaporation. Farm and regional perspectives for optimising sustainable salt management are discussed.

Keywords: Livestock Production/Industries; Resource/Energy Economics and Policy (search for similar items in EconPapers)
Pages: 13
Date: 2001-01
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Persistent link: https://EconPapers.repec.org/RePEc:ags:aare01:125646

DOI: 10.22004/ag.econ.125646

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