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Abstract
Two home vegetable gardens (77.4 and 58.3 m2) in Tucson, Ariz., yielded an average of 1.24 and 2.31 kg/m2 of produce per year over 3 and 2.5 years, respectively. Average net returns were $109 and $123 per year, $0.72 and $1.11 per hour, or $8.80 and $7.75 per dollar of water used. Thus, in the southwest desert, a weekly investment of 2-to-3 hours in a home garden can provide savings.
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HortScience