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Table 1 Soil properties of the experimental field (mean of 2 years)

From: The effect of humic acid and water super absorbent polymer application on sesame in an ecological cropping system: a new employment of structural equation modeling in agriculture

 

Total N (%)

Available P (ppm)

Available K (ppm)

EC (dS m−1)

pH (saturation extract)

C/N ratio

OC (%)

Bulk density (g cm−3)

SP (%)

Texture grade

Soil depth (cm)

 0–15

0.076

22

460

1.3

7.3

12.7

0.55

1.45

23.58

Loamy silt

 15–30

0.069

19

446

1.3

7.2

12.3

0.53

1.51

23.88

Loamy silt

  1. EC soil electrical conductivity, OC organic carbon, SP saturation percentage