Assertion: phosphate's use | /r/HasProperty | cassia auriculata
Facets:
Source sentences:
text: The absence of lime in the slag and the use of specific quantities of wood with high phosphorus content (for example, Cassia auriculata) during the smelting induces a higher phosphorus content (> 0.1%, average 0.25%) than in modern iron produced in blast furnaces (usually less than 0.05%).