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Table 3 Physicochemical characteristics of the soil in the five geomorphological units

From: Modeling potential habitats for Pergularia tomentosa using maximum entropy model and effect of environmental variables on its quantitative characteristics in arid rangelands, southeastern Iran

Geomorphological unit

N

Sand (%)

Silt (%)

Clay (%)

K (PPM)

P (PPM)

N (%)

CaCO3 (%)

EC (dS/m)

pH

Mountain

58

79.73(ab)

10.50(bc)

9.76(ab)

44.37(c)

5.01(a)

0.02(a)

9.55(b)

0.22(b)

7.82(a)

Big hill area

32

72.06(ab)

15.50(b)

12.42(a)

283.07(b)

6.71(a)

0.048(a)

17.91(a)*

0.33(b)

7.71(a)

Bare plain

5

84.40(a)

5.84(d)

9.76(ab)

43.76(c)

7.54(a)

0.30(a)

5.80(b)

0.26(b)

7.80(a)

Flood plain

14

78.40(ab)

11.84(bc)

9.76(ab)

45.37(c)

5.29(a)

0.30(a)

10.70(b)

0.20(b)

7.70(a)

Small hill area

49

60.03(c)*

27.64(a)*

12.30(a)

402.57(a)*

4.59(a)

0.061(a)

15.11(a)

0.58(a)*

7.72(a)

  1. The letters a–d indicate significant difference between different geomorphological units
  2. *The best condition in each area