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

Table 3

Nutrient concentration of Tephrosia biomass used in the fallow experiment.

Species	Plant component	N (%)	P (%)	K (%)	Mg (ppm)	Ca (ppm)	OC (%)	C : N
T. candida	Leaves	5.22	0.48	0.43	3.23	2.44	34.8	6.7
	Twigs	2.23	0.22	0.39	3.37	2.40	35.6	16.0
	Leaves + twigs	3.86	0.25	0.52	3.30	2.42	35.6	9.2
T. vogelii	Leaves	5.10	0.58	0.39	3.38	2.57	36.4	7.1
	Twigs	2.36	0.40	0.35	3.54	2.40	33.3	14.1
	Leaves + twigs	3.92	0.22	0.39	3.36	2.32	37.2	9.5