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

Table 1

Physicochemical properties of the Cape Coast and Aiyinase soils used in the study.

Soil property	Aiyinase	Cape Coast
Available P (mg·kg^−1)	7.9	16.4
TOC (%)	0.2	1.4
pH (H2O)	4.7	5.0
Mg^2+ (cmol·kg^−1)	0.2	1.6
Ca^2+ (cmol·kg^−1)	0.9	2.8
K^+ (cmol·kg^−1)	0.1	0.6
Na^+ (cmol·kg^−1)	0.2	0.6
H^+ + Al^3+ (cmol·kg^−1)	0.9	0.1
CEC (cmol·kg^−1)	1.4	5.6
ECEC (cmol·kg^−1)	2.3	5.8
TN (%)	0.0	0.1
Clay (%)	14.2	12.6
Silt (%)	2	23.2
Sand (%)	83.7	64.2