Amendment of Tephrosia Improved Fallows with Inorganic Fertilizers Improves Soil Chemical Properties, N Uptake, and Maize Yield in Malawi

Table 1

Initial physicochemical soil properties at the study area (0–20 cm depth).

	T. candida site	T. vogelii site
Parameter
pH (H2O)	4.2	4.9
% organic carbon	1.18	1.5
% organic matter	2.09	2.66
% N	0.1	0.13
P (µg/g)	13.9	14.6
K (cmol kg^−1)	0.21	0.49
Ca (µg/g)	1.75	3.84
Mg (µg/g)	0.18	0.54
C : N	11.8	11.5
Physical properties
Sand (%)	69	65
Silt (%)	6	4
Clay (%)	25	31
Textural class	Sandy clay loam	Sandy clay loam