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https://doi.org/10.21273/HORTSCI.40.7.1998

has been cited by the following article:

• TITLE: Agricultural Water Footprint of Southern Highbush Blueberry Produced Commercially with Drip Irrigation and Sprinkler Frost Protection

  AUTHORS: Alejandro Pannunzio, Eduardo Holzapfel, Alicia Fernandez Cirelli, Pamela Texeira, Camilo Souto, David R. Bryla

  KEYWORDS: Blue, Green, and Grey Water, Freeze Damage, Irrigation Efficiency, Microirrigation

  JOURNAL NAME: Agricultural Sciences, Vol.14 No.1, January 31, 2023

  ABSTRACT: A study was conducted from 2010 to 2017 to determine the water footprint for producing blueberries in the Entre Ríos province of Argentina. Three cultivars of southern highbush blueberry (hybrid cross of Vaccinium sp.) were evaluated in the study, including “Star”, “Emerald”, and “Snowchaser”. In each case, the plants were irrigated by drip and protected from frost using overhead sprinklers. Water requirements for irrigation and frost protection varied among the cultivars due to differences in the timing of flowering and fruit development. The annual water footprint for fruit production in each cultivar is expressed in units of cubic meters of water used to produce one ton of fresh fruit and ranged from 212 - 578 m3∙t−1 for “Star”, 296 - 985 m3∙t−1 for “Emerald”, and 536 - 4066 m3∙t−1 for “Snowchaser”. “Snowchaser” flowered earlier than the other cultivars and, therefore, needed more water for frost protection. “Star”, on the other hand, ripened the latest among the cultivars and required little to no water for frost protection. Frost protection required a minimum of 30 m3∙h−1 of water per hectare and in addition to drip irrigation was a major component of the water footprint.