Table 1 Physical and chemical properties of the experimental orchard soil.

From: Improving leaf chemical composition, yield, and fruit quality of Valencia orange trees through biochar soil application

Soil depth cm

0–30

30–60

60–90

Soil properties

Values

Sand (%)

94.71

93.72

92.21

Silt (%)

3.00

5.00

4.65

Clay (%)

2.28

1.28

3.20

Soil texture

Sand

pH

7.00

7.20

7.40

EC (dS/m)

0.50

0.47

0.40

Available K+ (ppm)

0.21

0.22

0.20

Available Ca++ (meq/l)

2.00

2.00

2.00

Available Mg++ (meq/l)

1.11

0.90

0.80

Available Na+ (meq/l)

1.50

1.17

1.04

HCO3− (meq/l)

2.00

2.00

2.00

Cl− (meq/l)

2.00

2.00

1.60

SO4= (meq/l)

0.82

0.29

0.34

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