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 Responses to full and reduced irrigation were investigated for nine coastal lowland self-pollinated quinoa lines (CLS-1 to CLS-9) and one commercial cultivar cv Regalona (REGA) in the field. The trial took place at the INIA-Huasco experimental center located in the southern Atacama Desert (Vallenar, Chile, 28°34′ S, 70°47′ W and 469 m.a.s.l.) during the 2019/2020 growing season (sowing on 26 September 2019, harvest on 21 February 2020).
 
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 #### This trial was conducted as part of the BMBF funded project "QUINOA DIVERSITY- Quinoa Phenotypic and Genotypic Diversity for Yield and Composition"
 https://www.kooperation-international.de/laender/amerika/chile/projekte-chile/detail-laendereinstiegsseite/info/biooekonomie-international-2015-quinoa-diversity-untersuchungen-zur-phaenotypischen-und-genotypisch-5