BULLETIN
10
annum.
The
309, IT.
S.
DEPARTMENT OF AGRICULTURE.
cost of producing the roots per
pound
is,
roughly, as
follows
Ground
rent, or the harvesting privilege.
$0.
04
Harvesting
.OH
Cleaning and topjnng Hauling to primary shipping point
.04
Freight to
New York
.00| .02
If the tops can be gotten out economically and reduced to pulp without an expensive freight haul, there would seem to be no question as to the promise of this material, which at present is purely a waste
Fig.
8.—A sparse stand
of zacaton
on the Vulcan de Agua, near Antigua, Guatemala.
would be unwise
attempt to put a value on the tops can be said that properly harvested esparto from Spain, Algeria, and Tripoli brings from SI 7 to S23 per ton in the English market. A good zacaton range can be profitably gone over for root brush material every third year. product.
It
delivered at a pulp mill, but
to
it
LABORATORY TESTS OF PULP PRODUCTION.
An investigation of the paper value of any new fibrous plant can be conveniently separated into two distinct divisions, just as the manufacture of paper is commercially divided into two distinct branches. The first division embraces the separation and purifica-
