These may be partly replaced by Natal bark, valonia, and quebracho respectively.
Oakwood and quebracho extracts, and divi-divi or algarobilla.
For some years now, two new factors of valuation have come into being: the culture of lucerne and the planting of quebracho wood.
Each has a name of its own—quebracho santiagueño and quebraco quebracho chaqueño.
A quebracho log will not float upon water, but will sink like iron.
In Misiones there are two types of forest, which differ a good deal from each other, while neither resembles the quebracho forest.
In the division of the land the industrial firms sought the districts which were richest in quebracho.
Originally the quebracho was sought because it made serviceable and long lasting "sleepers" for railroads.
The quebracho trade yields very large returns with Indian labour, but Indian labour is an unknown quantity.
Here grows the quebracho, which means the break-axe; so it is a very hard wood.