L-low density (row spacing 40 × 25 cm); H-high density (row spacing 20 × 7.5 cm). The data are means ± standard errors (n=3). Different lowercase letters in a row denote significant differences.
Table 2 Comparison of the estimated operational taxonomic unit (OTU), Chao1 richness and Shannon diversity indices of the rhizosphere and non-rhizosphere soils in different quinoa planting density treatments.