UNITED STATES DEPARTMENT OF AGRICULTURE

=BULLETIN No. 404=

Contribution from the Bureau of Plant Industry WM. A. TAYLOR, Chief

[Illustration: USDA crests flanking bulletin banner]

Washington, D.C.
PROFESSIONAL PAPER
October 14, 1916


HEMP HURDS AS PAPER-MAKING MATERIAL.

By LYSTER H. DEWEY, _Botanist in Charge of Fiber-Plant Investigations_,
and JASON L. MERRILL, _Paper-Plant Chemist, Paper-Plant Investigations_.


=CONTENTS.=
Page.
The production and handling of hemp hurds,
by Lyster H. Dewey:

What hemp hurds are 1
Pith, wood, and fiber 2
Character of hurds affected by retting 2
Proportion of hurds to fiber and yield per acre 3
Hurds available from machine-broken hemp 3
Present uses of hemp hurds 4