Table 1 Physical and chemical properties of soil (0–15 cm depth) used for the experiment.

From: Influence of Tithonia diversifolia biochar on selected soil physicochemical properties, leaf nutrient concentrations and broccoli growth

Property

Value

Sand (%)

77.1

Silt (%)

7.3

Clay (%)

15.6

Textural class

Sandy loam

Bulk density (Mg m− 3)

1.63

Total porosity (%)

38.5

pH (water)

5.62

Organic carbon (%)

0.96

Total N (%)

0.08

Available P (mg kg− 1)

3.85

Exchangeable K (cmol kg− 1)

0.11

Exchangeable Ca (cmol kg− 1)

1.63

Exchangeable Mg (cmol kg− 1)

0.32

Exchangeable Na (cmol kg− 1)

0.09

Exchangeable acidity (cmol kg− 1)

0.40

Cation exchange capacity (cmol kg− 1)

2.55