**Field Trial Setting:** 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).
**Field Trial Setting:**
- 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).
- The Atacama desert is one of the driest regions in the world, ensuring that rainfall would not influence the irritation treatment of the experiment.
The Atacama desert is one of the driest regions in the world, ensuring that rainfall would not influence the irritation treatment of the experiment.
**Soil Characteristics:** Sandy loam textural class, composed of sand (75.5%), silt (10.9%) and clay (13.7%), with a low organic matter content (2.0%), an alkaline pH (8.1), slight salinity (2.4 dS m−1), and with a basic content of N-P-K (45-21-311 mg kg−1 respectively)
**Soil Characteristics:**
- Sandy loam textural class, composed of sand (75.5%), silt (10.9%) and clay (13.7%), with a low organic matter content (2.0%), an alkaline pH (8.1), slight salinity (2.4 dS m−1), and with a basic content of N-P-K (45-21-311 mg kg−1 respectively)
**Experimental Design:**
- Nine coastal lowland self-pollinated quinoa lines (CLS-1 to CLS-9) and one commercial cultivar (cv Regalona)
