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Table 3 Physicochemical soil characteristics (Mean ± 1 SD)

From: Effects of habitat differences on the genetic diversity of Persicaria thunbergii

  Site A (n = 1) Site B (n = 4) Site C (n = 4)
pH 6.86 6.62 (±0.06) 6.66 (±0.09)
EC (μS/cm) 37.2 75 (±20.9) 79.2 (±12.8)
Water content (%) 28.2 27.9 (±3.8) 30.1 (±1.4)
LOI (%) 2.25 8.24 (±1.12) 8.06 (±0.79)
NH4-N (mg/kg) 12.5 6.56 (±6.95) 0.94 (±0.52)
NO3-N (mg/kg) 0.53 2.76 (±0.69) 4.95 (±0.33)
PO4-P (mg/kg) 6.75 11.9 (±3.9) 14.6 (±2.2)
K+ (mg/kg) 64.1 543.8 (±109.5) 599.8 (±94.4)
Na+ (mg/kg) 19.9 18.1 (±1.4) 16.8 (±1.7)
Ca2+ (mg/kg) 928.4 2467 (±240) 2327 (±129)
Mg2+ (mg/kg) 94.4 272.8 (±37.8) 322.1 (±40.6)
Soil texture Sand Sandy loam or silt loam Loam or silt loam