Table 3: Nutrient concentration of Tephrosia biomass used in the fallow experiment.

SpeciesPlant componentN (%)P (%)K (%)Mg (ppm)Ca (ppm)OC (%)C : N

T. candida Leaves5.220.480.433.232.4434.86.7
Twigs2.230.220.393.372.4035.616.0
Leaves + twigs3.860.250.523.302.4235.69.2

T. vogelii Leaves5.100.580.393.382.5736.47.1
Twigs2.360.400.353.542.4033.314.1
Leaves + twigs3.920.220.393.362.3237.29.5