Biochar and/or Compost Applications Improve Soil Properties, Growth, and Yield of Maize Grown in Acidic Rainforest and Coastal Savannah Soils in Ghana

Table 2

Chemical properties of biochar and compost used in the experiment.

Property	Biochar	Compost
Available P (mg·kg^−1)	88.2	353.7
TOC (%)	70.1	23.6
pH (H2O)	7.0	5.3
Mg^2+ (cmol·kg^−1)	12.0	22.7
Ca^2+ (cmol·kg^−1)	44.3	162.7
K^+ (cmol·kg^−1)	39.4	10.8
Na^+ (cmol·kg^−1)	32.6	9.7
H^+ + Al^3+ (cmol·kg^−1)	11.3	12.7
ECEC (cmol·kg^−1)	139.6	218.5
Total nitrogen (%)	0.9	4.2