TEPHROSIA CANDIDA I93 



deeply, abslracL llie fertilizing elements from the subsoil as 

 well as from the upper layer. If the owner finds it useful to 

 employ the branches as fuel, the loss may be made good by 

 returning the ashes to the fields. In that case the nitrogen, 

 being lost for the most part to the atmosphere, must be 

 neglected. 



Some planters, after the branches have been cut, burn 

 the leaves and twigs that remain on the fields, but this method 

 is not to be recommended, the losses incurred thereby out- 

 weighing the advantages. 



Appended is the mineral composition of the stems and 

 leaves of Tephrosia ccuidida. 



Stems. 



These figures show that, as in other Leguminosa*, the 

 chief minerals in this plant are lime, potash, and magnesia. 



Leaves. 



u 



